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May 2001
STB3NC90Z
N-CHANNEL 900V - 3.2
- 3.5A D
2
PAK
Zener-Protected PowerMESHTMIII MOSFET
(1)I
SD
3.5A, di/dt
100A/s, V
DD
V
(BR)DSS
, T
j
T
JMAX
(*).Limited only by maximum temperature allowed
s
TYPICAL R
DS
(on) = 3.2
s
EXTREMELY HIGH dv/dt AND CAPABILITY GATE
TO - SOURCE ZENER DIODES
s
100% AVALANCHE TESTED
s
VERY LOW GATE INPUT RESISTANCE
s
GATE CHARGE MINIMIZED
DESCRIPTION
The third generation of MESH OVERLAYTM Power
MOSFETs for very high voltage exhibits unsurpassed
on-resistance per unit area while integrating back-to-
back Zener diodes between gate and source. Such ar-
rangement gives extra ESD capability with higher rug-
gedness performance as requested by a large variety
of single-switch applications.
APPLICATIONS
s
SINGLE-ENDED SMPS IN MONITORS,
COMPUTER AND INDUSTRIAL APPLICATION
s
WELDING EQUIPMENT
ABSOLUTE MAXIMUM RATINGS
()Pulse width limited by safe operating area
TYPE
V
DSS
R
DS(on)
I
D
STB3NC90
900V
< 3.5
3.5 A
Symbol
Parameter
Value
Unit
V
DS
Drain-source Voltage (V
GS
= 0)
900
V
V
DGR
Drain-gate Voltage (R
GS
= 20 k
)
900
V
V
GS
Gate- source Voltage
25
V
I
D
Drain Current (continuos) at T
C
= 25C
3.5
A
I
D
Drain Current (continuos) at T
C
= 100C
2.2
A
I
DM
(
q
)
Drain Current (pulsed)
14
A
P
TOT
Total Dissipation at T
C
= 25C
100
W
Derating Factor
0.8
W/C
I
GS
Gate-source Current (*)
50
mA
V
ESD(G-S)
Gate source ESD(HBM-C=100pF, R=15K
)
2.5
KV
dv/dt
Peak Diode Recovery voltage slope
3
V/ns
T
stg
Storage Temperature
65 to 150
C
T
j
Max. Operating Junction Temperature
150
C
D
2
PAK
1
3
STB3NC90Z
2/9
THERMAL DATA
AVALANCHE CHARACTERISTICS
ELECTRICAL CHARACTERISTICS (TCASE = 25 C UNLESS OTHERWISE SPECIFIED)
OFF
ON
(1)
DYNAMIC
Rthj-case
Thermal Resistance Junction-case Max
1.25
C/W
Rthj-amb
Thermal Resistance Junction-ambient Max
62
C/W
T
l
Maximum Lead Temperature For Soldering Purpose
300
C
Symbol
Parameter
Max Value
Unit
I
AR
Avalanche Current, Repetitive or Not-Repetitive
(pulse width limited by T
j
max)
3.5
A
E
AS
Single Pulse Avalanche Energy
(starting T
j
= 25 C, I
D
= I
AR
, V
DD
= 50 V)
220
mJ
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
(BR)DSS
Drain-source
Breakdown Voltage
I
D
= 250 A, V
GS
= 0
900
V
BV
DSS
/
T
J
Breakdown Voltage Temp.
Coefficient
I
D
= 1 mA, V
GS
= 0
1
V/C
I
DSS
Zero Gate Voltage
Drain Current (V
GS
= 0)
V
DS
= Max Rating
1
A
V
DS
= Max Rating, T
C
= 125 C
50
A
I
GSS
Gate-body Leakage
Current (V
DS
= 0)
V
GS
= 20V
10
A
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
GS(th)
Gate Threshold Voltage
V
DS
= V
GS
, I
D
= 250A
3
4
5
V
R
DS(on)
Static Drain-source On
Resistance
V
GS
= 10V, I
D
= 1.75 A
3.2
3.5
I
D(on)
On State Drain Current
V
DS
> I
D(on)
x R
DS(on)max,
V
GS
= 10V
3.5
A
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
g
fs
(1)
Forward Transconductance
V
DS
> I
D(on)
x R
DS(on)max,
I
D
= 1.75A
3
S
C
iss
Input Capacitance
V
DS
= 25V, f = 1 MHz, V
GS
= 0
1250
pF
C
oss
Output Capacitance
78
pF
C
rss
Reverse Transfer
Capacitance
7
pF
3/9
STB3NC90Z
ELECTRICAL CHARACTERISTICS (CONTINUED)
SWITCHING ON
SWITCHING OFF
SOURCE DRAIN DIODE
GATE-SOURCE ZENER DIODE
Note: 1. Pulsed: Pulse duration = 300 s, duty cycle 1.5 %.
2. Pulse width limited by safe operating area.
3.
V
BV
=
T (25-T) BV
GSO
(25)
PROTECTION FEATURES OF GATE-TO-SOURCE ZENER DIODES
The built-in back-to-back Zener diodes have specifically been designed to enhance not only the device's
ESD capability, but also to make them safely absorb possible voltage transients that may occasionally
be applied from gate to souce. In this respect the 25V Zener voltage is appropiate to achieve an efficient
and cost-effective intervention to protect the device's integrity. These integrated Zener diodes thus avoid
the usage of external components.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
t
d(on)
Turn-on Delay Time
Rise Time
V
DD
= 450 V, I
D
= 1.5 A
R
G
= 4.7
V
GS
= 10V
(see test circuit, Figure 3)
28
ns
t
r
14
ns
Q
g
Total Gate Charge
V
DD
= 720V, I
D
= 3A,
V
GS
= 10V
27
38
nC
Q
gs
Gate-Source Charge
8
nC
Q
gd
Gate-Drain Charge
10
nC
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
t
r(Voff)
Off-voltage Rise Time
V
DD
= 720V, I
D
= 3 A,
R
G
= 4.7
,
V
GS
= 10V
(see test circuit, Figure 5)
16
ns
t
f
Fall Time
10
ns
t
c
Cross-over Time
18
ns
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
I
SD
Source-drain Current
3.5
A
I
SDM
(2)
Source-drain Current (pulsed)
14
A
V
SD
(1)
Forward On Voltage
I
SD
= 3 A, V
GS
= 0
1.6
V
t
rr
Reverse Recovery Time
I
SD
= 3 A, di/dt = 100A/s,
V
DD
= 100V, T
j
= 150C
(see test circuit, Figure 5)
712
ns
Q
rr
Reverse Recovery Charge
4450
C
I
RRM
Reverse Recovery Current
13
A
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
BV
GSO
Gate-Source Breakdown
Voltage
Igs= 1mA (Open Drain)
25
V
T
Voltage Thermal Coefficient
T=25C Note(3)
1.3
10
-4
/C
Rz
Dynamic Resistance
I
D
= 50 mA
90
STB3NC90Z
4/9
Safe Operating Area
Thermal Impedance
Output Characteristics
Transfer Characteristics
Static Drain-source On Resistance
Transconductance
5/9
STB3NC90Z
Normalized Gate Threshold Voltage vs Temp.
Normalized On Resistance vs Temperature
Gate Charge vs Gate-source Voltage
Capacitance Variations
Source-drain Diode Forward Characteristics
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