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Электронный компонент: CS1112

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Semiconductor Components Industries, LLC, 2000
October, 2000 Rev. 10
1
Publication Order Number:
CS1112/D
CS1112
Quad Power Output Driver
The CS1112 is a Power Output Driver. The IC incorporates four
protected DMOS lowside drivers designed to drive inductive and
resistive loads in an automotive environment. The outputs are
controlled by an 8bit serial peripheral interface (SPI) or its associated
parallel input. Each output contains overcurrent protection, open load
detection, and inductive flyback clamps. The device is overvoltage
protected. Overcurrent and open load faults are reported over the SPI
port, and at the STATUS lead.
I/O Control
SPI communication is initiated by asserting CSB low. Data at the SI
lead is transferred on the rising edge of SCLK. The MSB is transferred
first. The outputs become active at the rising edge of CSB. Diagnostic
status bits are transferred out the SO lead at the falling edge of SCLK.
The SO lead is high impedance while CSB is high. An open drain
output, (STATUS) reports a fault (short to V
PWR
, GND, or open load)
has occurred at one or more of the outputs.
Protection
Each output independently detects shorts to V
PWR
while the output
is "on" and open load/short to ground while the output is "off". The
fault register will be set if a fault occurs at the output. The fault register
will be reset if the fault condition is removed from the output. The
fault data is latched when CSB is asserted low.
If an overcurrent condition or short circuit to V
BATT
occurs, the
output goes into a low duty cycle mode for the duration of the fault.
The outputs are disabled during an overvoltage or undervoltage
condition.
Features
4.0 MHz Serial Input Bus
Parallel Input Control
1.0
DMOS Drivers (typ)
Power On Reset
Internal Flyback Clamps
Status Output
Fault Protection
46 V Peak Transient
Power Limiting
Undervoltage
Overvoltage
Fault Reporting
Open Load
Short Circuit
8 Internally Fused Leads
http://onsemi.com
A
= Assembly Location
WL, L
= Wafer Lot
YY, Y
= Year
WW, W
= Work Week
PIN CONNECTIONS AND
MARKING DIAGRAM
Device
Package
Shipping
ORDERING INFORMATION
CS1112YDWF24
SO24L
31 Units/Rail
CS1112YDWFR24
SO24L
1000 Tape & Reel
V
DD
V
PWR
OUT0
IN0
GND
GND
GND
GND
IN1
OUT1
SI
CSB
R
OSC
STATUS
IN3
GND
GND
GND
GND
IN2
OUT2
SO
SCLK
OUT3
SO24L
DW SUFFIX
CASE 751E
1
24
C
S
111
2
A
W
L
YYWW
CS1112
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2
APPLICATION DIAGRAM
4
R
OSC
Micro Controller
with Bus
CMOS
Serial Shift
Registers and
Latches
DMOS
Low Side
Switches and
Protection
Circuitry
Fault
Reporting
Bias
QPOD
R
OSC
SO
SCLK
SI
CSB
IN1 IN2 IN3 IN4 V
DD
V
PWR
V
DD
Status
10 k
82 k
GND
4
4
ABSOLUTE MAXIMUM RATINGS*
Rating
Value
Unit
DC Supply (V
PWR
)
0.3 to 30
V
Output DC Voltage (Out 0, 1, 2, 3)
46
V
V
DD
Supply Voltage
0.3 to +7.0
V
Peak Transient (1.0 ms rise time, 300 ms period, 32 V Load Dump @ 14 V V
PWR
)
46
V
Digital Input Voltage
0.3 to V
DD
+ 0.3
V
Single Pulse Avalanche Energy (I = 450 mA)(Out 0, 1, 2, 3)
50
mJ
Operating Junction Temperature, T
J
40 to 150
C
ESD Capability (Human Body Model)
1.5
kV
Lead Temperature Soldering:
Reflow: (SMD styles only) (Note 1.)
230 peak
C
1. 60 second maximum above 183
C.
*The maximum package power dissipation must be observed.
CS1112
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3
ELECTRICAL CHARACTERISTICS
(9.0 V < V
PWR
< 17 V, 4.5 V < V
DD
< 5.5 V, 40
C < T
J <
125
C,
5.5
V < V
PWR
< 25 V, (Outputs Functional); unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Supply Voltages and Currents
V
DD
Power On Reset Threshold
Outputs Latched Off By Event
2.5
3.0
3.5
V
V
DD
Power On Reset Hysteresis
200
mV
V
PWR
Undervoltage
Outputs Latched Off By Event
4.0
4.5
5.0
V
V
PWR
Overvoltage Lockout
Outputs Latched Off By Event
30
35
45
V
Digital Supply Current, I
V(DD)
All Outputs On (@ 350 mA)
5.0
mA
Analog Supply Current, I
V(PWR)
All Outputs On (@ 350 mA)
5.0
mA
Sleep Current, I
V(PWR)
V
DD
0.5 V
10
A
Digital Inputs and Outputs
V
IN
High
SI, SCLK, CSB, IN0, IN1, IN2, IN3
70
%V
DD
V
IN
Low
SI, SCLK, CSB, IN0, IN1, IN2, IN3
30
%V
DD
V
IN
Hysteresis
230
mV
Input Pulldown Current
SI, IN0, IN1, IN2, IN3, V
IN
= 30% V
DD
25
A
Input Pullup Current
CSB, V
IN
= 70% V
DD
25
A
Status Low
I
STATUS
= 0.5 mA
0.1
0.5
V
Fault Detection/Timing
Overcurrent Sense Time, t
SS
Overcurrent Sense Time, R
OSC
= 82 k
25
62.5
100
s
Overcurrent Shutdown Time
Overcurrent Shutdown Time, R
OSC
= 82 k
1.60
3.94
6.3
ms
Fault Duty Cycle
After the first fault cycle, Note 1.
1.4
1.56
1.7
%
Open Load Trip Point
IN = Low
40
50
60
%V
DD
Open Load Sense Time
Open Load Sense Time, R
OSC
= 82 k
12.5
100
s
Power Outputs
V
DRAIN
Clamp
I
D
= 20 mA, t
CLAMP
= 100
s
48
52
64
V
Drain Leakage Current
V
DRAIN
= 17 V
25
A
Drain Leakage Current
V
DRAIN
= 46 V
400
A
R
DS(ON)
V
PWR
= 13 V, I
D
= 0.5 A
1.0
2.0
Current Limit
Note 2.
3.0
4.5
6.0
A
Reverse Diode Drop
Reverse Diode Drop I = 350 mA
1.4
V
Fall Time Delay, t
phl
V
PWR
= 13 V, R
LOAD
= 33
,
Note 3. (see Figure 2)
10
s
Rise Time Delay, t
plh
V
PWR
= 13 V, R
LOAD
= 33
,
Note 3. (see Figure 2)
15
s
Rise Time, t
r
V
PWR
= 13 V, R
LOAD
= 33
0.4
10
s
Fall Time, t
f
V
PWR
= 13 V, R
LOAD
= 33
0.4
10
s
1. Guaranteed by design.
2. A duty cycle mode will initiate at a minimum of 1.0 A and before the current limit.
3. Output turn on delay and turn off delay from rising edge of CSB to the output reaching 50% of V
PWR
.
CS1112
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4
ELECTRICAL CHARACTERISTICS (continued)
(9.0 V < V
PWR
< 17 V, 4.5 V < V
DD
< 5.5 V, 40
C < T
J <
125
C,
5.5
V < V
PWR
< 25 V, (Outputs Functional); unless otherwise specified.)
Characteristic
Unit
Max
Typ
Min
Test Conditions
Serial Peripheral Interface
V
PWR
= 14 V
SCLK Clock Period
C
O
= 200 pF
250
ns
MAX Input Capacitance
SI, SCLK, Note 1.
12
pF
V
OUT
High
SO, I
OH
= 1.0 mA
V
DD
1.0
V
V
OUT
Low
SO, I
OL
= 1.0 mA
0.5
V
SCLK High Time
F
SCLK
= 4.0 MHz, SCLK = 2.0 V to 2.0 V
(see Figure 1)
125
ns
SCLK Low Time
F
SCLK
= 4.0 MHz, SCLK = 0.8 V to 0.8 V
(see Figure 1)
125
ns
SI Setup Time
SI = 0.8 V/2.0 V to SCLK = 2.0 V at 4.0 MHz;
Note 1. (see Figure 1)
25
ns
SI Hold Time
SCLK = 2.0 V to SI = 0.8 V/2.0 V at 4.0 MHz;
Note 1. (see Figure 1)
25
ns
SO Rise Time
C
LD
= 200 pF (0.1 V
DD
to 0.9 V
DD
);
Note 1.
25
50
ns
SO Fall Time
C
LD
= 200 pF (0.9 V
DD
to 0.1 V
DD
);
Note 1.
50
ns
CSB Setup Time
CSB = 0.8 V to SCLK = 2.0 V
(see Figure 1) Note 1.
60
ns
CSB Hold Time
SCLK = 0.8 V to CSB = 2.0 V
(see Figure 1) Note 1.
75
ns
SO Delay Time
SCLK = 0.8 V to SO Data Valid, V
DD
= 5.0 V
C
LD
= 200 pF at 4.0 MHz
(see Figure 1); Note 1.
65
125
ns
Xfer Delay Time
CSB rising edge to next falling edge.
Note 1.
1.0
s
1. Guaranteed by design.
PACKAGE PIN DESCRIPTION
PACKAGE PIN #
24 Lead SOIC
PIN SYMBOL
FUNCTION
1
V
DD
Input voltage to bias logic and control circuitry.
2
V
PWR
Input voltage to bias gate drive circuitry.
3
OUT0
Open drain output one.
4
IN0
Parallel input one.
5, 6, 7, 8
17, 18, 19, 20
GND
Ground Reference.
9
IN1
Parallel input two.
10
OUT1
Open drain output two.
11
SI
SPI serial input.
12
CSB
SPI active low chip select.
13
SCLK
SPI clock input.
14
SO
SPI serial output.
CS1112
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5
PACKAGE PIN DESCRIPTION (continued)
PACKAGE PIN #
FUNCTION
PIN SYMBOL
24 Lead SOIC
FUNCTION
PIN SYMBOL
15
OUT2
Open drain output three.
16
IN2
Parallel input three.
21
IN3
Parallel input four.
22
OUT3
Open drain output four.
23
STATUS
Open drain output, which is asserted when an open load or
overcurrent condition occurs at any of the outputs.
24
R
OSC
82 k
resistor tied to ground to set up accurate internal cur-
rent sources.
CIRCUIT DESCRIPTION
Typical Operation
Control of the CS1112 can be done using the Serial
Peripheral Interface (SPI) port using the Data Input
information in Table 1, or the outputs can be controlled via
the parallel inputs (IN0, IN1, IN2, IN3). IN0 controls OUT0,
IN1 controls OUT1, IN2 controls OUT2, and IN3 controls
OUT3. Turning the output drivers on is an OR function with
the SPI input and the parallel inputs.
Note: To prevent damage to the IC or the output load, V
DD
must be above the Power on Reset threshold (3.5 V) before
IN0, IN1, IN2, or IN3 are asserted high (< 70% V
DD
).
OUT3
T
urn
ON
OUT0
OUT1
OUT2
OUT3
Time
SI
SCLK
CS
Don't Care
OUT2
T
urn ON
OUT1
T
urn OFF
OUT0
T
urn ON
TIMING DIAGRAM
Table 1. SPI Inputs
D7
D6
D5
D4
D3
D2
D1
D0
X
X
X
X
OUT3
OUT2
OUT1
OUT0
MSB
LSB
X = Don't Care; MSB is Transferred first.
CS1112
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SERIAL PERIPHERAL INTERFACE TIMING REQUIREMENTS
CSB (Setup)
CSB
SCLK
SI
SO
SO(Delay)
SO(Rise,Fall)
MSB
MSB
SI (Setup)
CSB (Hold)
Xfer Delay
SI (Hold)
70% V
DD
30% V
DD
Figure 1.
CSB
OUT
X
t
phl
t
plh
t
f
t
r
Figure 2.
1
2
3
BLOCK DIAGRAM
+
+
Gate
Drive
Data 0
Shorted Load
V
DD
RESET
IN0 IN1 IN2 IN3
V
DD
V
PWR
CSB
SI
SCLK
GND
OUT0
OUT1
OUT2
OUT3
10
A
STATUS
4.0 ms
Fault Timer
Bias
Power On
Reset
Serial D/O
Line Driver
10
A
10
A
RESET
Serial
Peripheral
Interface
Overvoltage/
Undervoltage
Lockout
V
REG
I
LIMIT
R
S
1/2 V
DD
Data 0
Open Load
Fault 0
Data 0
Data 1 to 3
Fault 1 to 3
OUT
ENABLE
SO
R
OSC
CS1112
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7
APPLICATION INFORMATION
CIRCUIT DESCRIPTION
The CS1112 was developed for use in very noisy and very
harsh environments such as seen in an automobile system.
The device has four lowside switches all controlled
through an 8bit Serial Peripheral Interface (SPI) port.
Control of the outputs is also OR'd with parallel inputs. This
is a critical feature enhancement over similar devices
because of the ease in which the parallel inputs can be used
to control the outputs in a Pulse Width Modulation (PWM)
mode. Creating a PWM mode using just the serial port input
is not a practical application.
This part uses ON Semiconductor's POWERSENSE
TM
process technology. POWERSENSE combines the
robustness of Bipolar with the dense logic capability of
CMOS, and the power capabilities of DMOS.
Power consumption is kept to a minimum using
POWERSENSE in comparison to a bipolar technology. A
bipolar process requires DC bias currents to powerup the
integrated circuit. This is needed in many applications
requiring analog circuitry, but is not needed here. Digital
POWERSENSE logic dissipates power only when
switching because that is when transient gate charging
current flows. POWERSENSE logic requires little space,
and is a good economical solution. The DMOS side of the
process provides a robust user interface to the outside world
on each of the outputs. Peak transient capability of each
output is rated at a maximum of 46 V (typical of an
automotive load dump transient).
The CS1112 uses quasivertical DMOS transistors
resulting in an output resistance (R
DS(ON)
) at each output of
less than 1.0
@ 13 V and 500 mA @ 25
C.
The part can be put in a sleep mode where the part draws
less than 2.0
A of bias current from V
PWR
. The part enters
this sleep mode when V
DD
0.5 V. Maximum quiescent
current for the device is 5.0 mA maximum for any
combination of output drivers enabled.
Fault reporting is controlled by the CS1112. Overcurrent
and short to V
BATT
are detected when the output is on. Open
load and short to ground are detected when the output is off.
Faults are reported out of the serial output (SO) pin as a new
8bit word is being fed into the serial input (SI) pin.
Figure 3 highlights the SPI interface between the
microprocessor and the CS1112. The SPI control inputs and
all other logic inputs are compatible with 5.0 V CMOS logic
levels.
Figure 3.
P
Receive Buffer
SPI Interface
Fault Reporting
STATUS
IN0
IN1
IN2
CSB
SCLK
SI
SO
Shift Register
Output Logic
P
Parallel
Inputs
Control
CS1112
3 2 1 0
2 1 0
3
X
X
X
X
The four communication lines which define the SPI
interface are the SI, SO, CSB, and SCLK. The parallel
inputs, which control the outputs can also connect to the
same microprocessor, a separate microprocessor, or any
other sensor or electrical device which meets the voltage
requirements of the CS1112 (V
IN(max)
= V
DD
+ 0.3 V).
SPI communication is as follows (2 scenarios):
1.
8Bit Normal Operation
CSB pin is brought low activating the SPI port. Faults
detected since the last CSB low to high transition are
latched into the serial register when CSB goes low. 8
command bits are clocked into the SI pin. The four
fault bits are clocked out of the SO pin. CSB pin is
brought high translating the final 4 bits to the outputs
turning them on or off. Faults are then detected and
saved in the fault register when CSB goes low.
2.
16Bit Operation For Command Verify
CSB pin is brought low activating the SPI port. 16 bits
are clocked into the SI pin (the last 4 are the 4 control
pins for the four outputs). CSB pin is brought high
translating the last 4 bits to the outputs turning them
on or off.
CSB pin is brought low activating the SPI port. 16
new bits are clocked into the SI pin. As the new bits
are being clocked in, the first 8 bits being clocked out
of the SO pin are the fault bits, followed by the first
8 bits which were clocked in (the verification bits).
The verification bits should replicate the command
bits.
CS1112
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Serial clock frequencies up to 4.0 MHz can be used by the
CS1112.
Internal pullup circuitry is provided on the Chip Select
Bar (CSB) pin. Internal active pulldowns are provided on the
parallel input pins (IN0, IN1, IN2, IN3, and SI pin).
A product highlight of this part is its ability to be
daisychained with other parts which follow the SPI
protocol as defined in Figure 1. Figure 4 displays this aspect.
The serial output of each device is fed into the serial input
of the next device. All data bits are clocked into their
respective registers, while the CSB pin is low. The drivers
are switched to the resulting command when the CSB pin is
brought back high.
Figure 4.
P
CSB
SCLK
SI
CSB
SCLK
CSB
SCLK
SO
SI
SO
SI
SO
CS1112
Any IC using
SPI protocol
Any IC using
SPI protocol
Multiple SPI port devices can also be connected in a
parallel fashion (Figure 5) instead of the daisychained
connection previously shown. The microprocessor controls
the CS1112 in a multiplex fashion allowing the serial data
input to be input to the device when the device is activated
through the CSB pin. This creates a system whose number
of outputs is a multiple of 4. Figure 5 displays a 12 output
setup.
OUT0
OUT1
OUT2
OUT3
OUT0
OUT1
OUT2
OUT3
OUT0
OUT1
OUT2
OUT3
P
SI
SCLK
CSB
SI
SCLK
CSB
SI
SCLK
CSB
CS1112
CS1112
CS1112
Figure 5.
Figure 6 displays the device controlling 4 outputs with the
use of its SPI port. Figure 7 displays the device controlling
1 output with the SPI port, and 3 outputs being controlled
with the parallel inputs allowing them to run in a PWM
mode.
Figure 6.
SPI Controlled Outputs
V
BAT
Z0
Z1
Z2
Z3
OUT0
OUT1
OUT2
OUT3
CSB
SCLK
SI
SPI Port
P
Figure 7.
V
BAT
OUT0
OUT1
OUT2
OUT3
Z0
Z1
Z2
Z3
Parallel Controlled Outputs
SPI Controlled
Outputs
Parallel Inputs
Control
IN0
IN1
IN2
CSB
SCLK
SI
SPI Port
P
The CS1112 provides a very efficient way of controlling
4 output drivers by minimizing the number of I/O pins
through use of the SPI port, and still provides the flexibility
of pulse width modulating the output drivers where needed.
The use of the SPI also allows the integrated circuit to
communicate directly with the microprocessor.
While designed for an automotive environment, the
CS1112 can be used in other applications in the computer
market, industrial market, telecommunications market, or
any other instance where numerous drivers are needed. All
parts are 100% tested and guaranteed to meet all parameters
specified in the electrical characteristics. These
specifications cover the entire voltage range for V
PWR
(9.0 V to 17 V), and V
DD
(4.5 V to 5.5 V).
CS1112
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FAULT MODE OPERATION
The CS1112 provides protection for a multitude of system
faults and conditions. These include Overvoltage, Current
Limit, Open Circuit, Output Short to Power, Output Short to
Ground, and Flyback Clamp.
Overvoltage
The IC is constantly monitoring the voltage on the V
PWR
pin. If the voltage on this pin exceeds the Overvoltage
Shutdown Threshold (typically 35 V), all outputs
immediately
turn off. The programmed outputs (via serial or
parallel input) turn back on once the voltage is brought back
down below this level.
Current Limit/Short to V
BATT
When the output current exceeds the Overcurrent (4.5 A
typical) for the Short Circuit/Overcurrent Sense Time
(typically 62.5
s) as it would do during an output short to
V
BATT
, its fault status bit will be latched to a logic one. The
fault status bit remains latched until the rising edge of CSB.
The output will go into a low duty cycle mode (typically
1.56%) as long as the overcurrent condition exists, and the
channel is on. This protects the integrated circuit from
damaging itself due to its thermal limits.
Open Circuit/Short to Ground
Open circuit conditions are detected while the outputs are
off. A fault bit is set when the Open Load "Off" Detection
Voltage (typically 0.5
V
DD
) is present for the Open Load
"Off" Sense Time (typically 62.5
s) as it would do during
an output short to ground.
Flyback Clamp
While the flyback clamp is not a fault mode, it is a
protection feature of the CS1112. When driving inductive
loads, it is normal to observe high voltage spikes on the
output pin due to the stored energy in the windings when the
device is turned off. Onchip clamps on the outputs limit the
voltage amplitude on the pin to prevent damage to the
device. Each output has an Output Clamp which limits the
output voltage to 52 V (typical when measured at 20 mA for
100
s).
PIN FUNCTION DESCRIPTION
SI
The SI (Serial Input) receives serial 8bit or 16bit words
sent most significant bit first. Data is clocked in on the rising
edge of SCLK. An internal active pulldown is connected to
this input. CMOS logic levels are required on this pin.
SO
The SO (Serial Output) can be connected to the serial data
input pin of the microprocessor, or it can be daisychained
to the serial input (SI) of another SPI compatible device.
This pin is tristated unless a low CSB pin selects the device.
The signal on this pin is clocked from the falling edge of the
SCLK pin. The serial output data provides fault information
for each output and returns most significant bit (bit 7) first.
Bits 0 through 3 are output fault bits for outputs 0 through
3, respectively. In 8bit SPI mode, bits 03, under normal
conditions return all zeros representing no faults. A 1
indicates a fault. The output from this pin conforms to
CMOS logic levels.
R
OSC
An 82 k
resistor tied to ground sets up an accurate
internal current source.
CSB
The CSB (Chip Select Bar) is the select pin when the
microprocessor wants to communicate with the CS1112. A
low on this pin enables the SPI communication with the
device and enables the SO pin. After the digital word is
clocked into the IC, a transition from low to high on the CSB
pin translates the last 4 bits of information turning the
outputs on or off. An internal active pullup is connected to
this input. CMOS logic levels are required on this pin.
SCLK
The SCLK (Serial Clock) clocks the internal shift
registers. This pin controls the data being shifted into the SI
pin, and data being shifted out of the SO pin. CMOS logic
levels are required on this pin.
IN0, IN1, IN2, IN3
These pins control their corresponding numbered output.
These are the parallel input pins which may be used to PWM
the outputs. They have 230 mV of hysteresis. These inputs
are OR'd with their corresponding input bit in the serial
control byte. An internal active pulldown is connected to
these pins. CMOS logic levels are required on these pins.
OUT0, OUT1, OUT2, OUT3
These pins are the output lowside driver pins. They all
have typically 1.0
R
DS(ON)
at V
PWR
= 13 V. Current limit
on these pins has a minimum specification of 3.0 A. A low
duty cycle mode (1.5% typ.) will initiate at a minimum of 1A
and before the current limit.
V
PWR
14 V Battery voltage input. 5.0 mA (max) is needed.
V
DD
5.0 V Supply input. 5.0 mA (max) is needed.
STATUS
Open drain output. This pin goes low when an open load
or overcurrent condition occurs on any of the outputs. This
provides immediate notification to the controller that a fault
is present. The controller can subsequently query the device
(serially) to determine its origin.
CS1112
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10
PACKAGE DIMENSIONS
SO24L
DW SUFFIX
CASE 751E04
ISSUE E
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.13 (0.005) TOTAL IN
EXCESS OF D DIMENSION AT MAXIMUM
MATERIAL CONDITION.
A
B
P
12X
D
24X
12
13
24
1
M
0.010 (0.25)
B
M
S
A
M
0.010 (0.25)
B
S
T
T
G
22X
SEATING
PLANE
K
C
R
X 45
_
M
F
J
DIM
MIN
MAX
MIN
MAX
INCHES
MILLIMETERS
A
15.25
15.54
0.601
0.612
B
7.40
7.60
0.292
0.299
C
2.35
2.65
0.093
0.104
D
0.35
0.49
0.014
0.019
F
0.41
0.90
0.016
0.035
G
1.27 BSC
0.050 BSC
J
0.23
0.32
0.009
0.013
K
0.13
0.29
0.005
0.011
M
0
8
0
8
P
10.05
10.55
0.395
0.415
R
0.25
0.75
0.010
0.029
_
_
_
_
PACKAGE THERMAL DATA
Parameter
SO24L
Unit
R
JC
Typical
9
C/W
R
JA
Typical
55
C/W
CS1112
http://onsemi.com
11
Notes
CS1112
http://onsemi.com
12
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