廬
VB927T
HIGH VOLTAGE IGNITION COIL DRIVER
POWER I.C.
TYPE
VB927T
s
V
cl
380V
I
cl
9.5A
V
cg(sat)
2.5V
NO EXTERNAL COMPONENT REQUIRED
s
COIL CURRENT LIMIT INTERNALLY SET
s
INTEGRATED HIGH VOLTAGE CLAMP
s
HIGH RUGGEDNESS
s
OVERTEMPERATURE PROTECTION
TO-247
DESCRIPTION
The VB927T is a monolithic high voltage integrated circuit
made by using the STMicroelectronics VIPower鈩?/div>
technology, which combines vertical current flow power
trilinton with a coil current and a collector voltage
clamping. The device is particularly suitable for
application in high performance electronic car ignition,
where coil current limitation and voltage clamping are
required.
PACKAGE
TO-247
3
2
1
ORDER CODES
TUBE
VB927T
-
T&R
BLOCK DIAGRAM
HV
C
V
IN
INPUT
HYSTERESIS
DRIVER
CURRENT
LIMITER
VOLTAGE
REFERENCE
OVERTEMP.
PROTECTION
R
SENSE
GND
January 2003
1/5
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