STMICROELECTRONICS ST901T

ST901T
HIGH VOLTAGE IGNITION COIL DRIVER
NPN POWER DARLINGTON
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HIGH VOLTAGE SPECIAL DARLINGTON
STRUCTURE
VERY RUGGED BIPOLAR TECHNOLOGY
HIGH OPERATING JUNCTION
TEMPERATURE
HIGH DC CURRENT GAIN
APPLICATION
HIGH RUGGEDNESS ELECTRONIC
IGNITION FOR SMALL ENGINES
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DESCRIPTION
The ST901T is a high voltage NPN silicon
transistor in monolithic special Darlington
configuration mounted in Jedec TO-220 plastic
package, designed for applications such as
electronic ignition for small engines (scooters,
lawnmowers, chainsaws).
3
1
2
TO-220
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V CES
Collector- Emitter Voltage (V BE = 0)
500
V
V CEO
Collector-Emitter Voltage (I B = 0)
350
V
V EBO
Emitter-Base Voltage (I C = 0)
5
V
Collector Current
4
A
Collector Peak Current
8
A
IC
I CM
Base Current
0.5
A
I BM
Base Peak Current
2.5
A
P tot
Total Dissipation at T c ≤ 25 o C
30
IB
T stg
Tj
June 1997
Storage Temperature
Max. Operating Junction Temperature
W
-65 to 175
o
C
175
o
C
1/4
ST901T
THERMAL DATA
R thj-case
Thermal Resistance Junction-case
Max
o
5
C/W
ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified)
Symbol
I CES
I CEO
I EBO
Parameter
Test Conditions
Min.
Max.
Unit
o
100
0.5
µA
mA
o
100
0.5
µA
mA
10
µA
Collector Cut-off
Current (I E = 0)
V CE = 500 V
V CE = 500 V
T case = 125 C
Collector Cut-off
Current (I B = 0)
V CE = 350 V
V CE = 350 V
T case = 125 C
Emitter Cut-off Current
(I C = 0)
V EB = 5 V
V CEO(sus) ∗ Collector-Emitter
Sustaining Voltage
I C = 10 mA
L = 10 mH
IB = 0
Typ.
350
V
V CE(sat) ∗
Collector-Emitter
Saturation Voltage
IC = 2 A
I B = 20 mA
1.3
V
V BE(sat) ∗
Base-Emitter
Saturation Voltage
IC = 2 A
I B = 20 mA
1.8
V
DC Current Gain
IC = 2 A
IC = 4 A
V CE =2 V
V CE =2 V
Functional Test
V CC = 24 V
L = 4 mH
V clamp = 350 V
INDUCTIVE LOAD
Storage Time
Fall Time
V CC = 12 V
L = 4 mH
IC = 2 A
V BE = -3 V
V clamp = 250 V
h FE ∗
ts
tf
∗ Pulsed: Pulse duration = 300 µs, duty cycle 1.5 %
2/4
I B = 20 mA
1500
500
4
A
15
1.5
µs
µs
ST901T
TO-220 MECHANICAL DATA
mm
DIM.
MIN.
inch
TYP.
MAX.
MIN.
TYP.
MAX.
A
4.40
4.60
0.173
0.181
C
1.23
1.32
0.048
0.051
D
2.40
2.72
0.094
D1
0.107
1.27
0.050
E
0.49
0.70
0.019
0.027
F
0.61
0.88
0.024
0.034
F1
1.14
1.70
0.044
0.067
F2
1.14
1.70
0.044
0.067
G
4.95
5.15
0.194
0.203
G1
2.4
2.7
0.094
0.106
H2
10.0
10.40
0.393
L2
0.409
16.4
L4
0.645
13.0
14.0
0.511
0.551
2.65
2.95
0.104
0.116
L6
15.25
15.75
0.600
0.620
L7
6.2
6.6
0.244
0.260
L9
3.5
3.93
0.137
0.154
DIA.
3.75
3.85
0.147
0.151
D1
C
D
A
E
L5
H2
G
G1
F1
L2
F2
F
Dia.
L5
L9
L7
L6
L4
P011C
3/4
ST901T
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No
license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned
in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.
SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express
written approval of SGS-THOMSON Microelectonics.
© 1997 SGS-THOMSON Microelectronics - Printed in Italy - All Rights Reserved
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