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Cherry Semiconductor Corporation - Single Lamp Driver IC

Numéro de référence CS1108EDF8
Description Single Lamp Driver IC
Fabricant Cherry Semiconductor Corporation 
Logo Cherry Semiconductor Corporation 





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CS1108EDF8 fiche technique
CS1108
Single Lamp Driver IC
Description
This ASIC provides up to 350mA of
drive current for powering bulbs.
The typical application for this part
is for use in airbag systems using a
type 194 bulb. On chip diagnostics
provide open circuit and short cir-
cuit detection in the output on
mode. In addition, the output
driver will turn on (sink current)
when VCC is low. Fault is an
active-low output which reports in
the output-on mode. Internal pull-
up circuitry is provided to ensure
the output pin turns on when the
Control pin is floating.
Absolute Maximum Ratings
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65ûC to 150ûC
VCC, Fault , Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 6V
ESD Capability (Human Body Model). . . . . . . . . . . . . . . . . . . . . . . . . . . 2kV
Peak Transient Voltage (output off mode, output pin only)
(26V load Dump @ 14V VBAT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40V
Lead Temperature Soldering
Reflow (SMD styles only) . . . . 60 sec. max above 183¡C, 230¡C peak
Features
s Fault Detection
Open Circuit
Short Circuit
Over Temperature
s VCC Sense: Output Turns
On with Loss of VCC
s Low Standby Current
Block Diagram
VCC
VCC(SENSE)
Control
Fault
ISOURCE
Drive
& Bias
Duty cycle
during
short circuit
Overtemp
Shutdown
+
short circuit
- detect
-
open circuit
+ detect
Output
Package Options
8 Lead SO
(internally fused leads)
Output 1
VCC
Fault
Control
Gnd
Gnd
Gnd
Gnd
Gnd Gnd Gnd Gnd
Rev. 12/28/98
Cherry Semiconductor Corporation
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885-3600 Fax: (401)885-5786
Web Site: www.cherry-semi.com
1 A Company
¨

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