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CS1108 Datasheet PDF : 4 Pages
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CS1108
Single Lamp Driver IC
This ASIC provides up to 350 mA 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 circuit 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.
Features
• Fault Detection
– Open Circuit
– Short Circuit
– Overtemperature
• VCC Sense: Output Turns On with Loss of VCC
• Low Standby Current
• Internally Fused Leads in SO–8 Package
VCC
http://onsemi.com
8
1
SO–8
DF SUFFIX
CASE 751
PIN CONNECTIONS AND
MARKING DIAGRAM
1
Output
VCC
Fault
Control
8
GND
GND
GND
GND
VCC(SENSE)
ISOURCE
Control
Duty cycle
during short
circuit
Overtemp
Shutdown
Drive &
Bias
Fault
+
–
Short Circuit
Detect
–
+
Open Circuit
Detect
Output
A
= Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
ORDERING INFORMATION
Device
Package
Shipping
CS1108EDF8
SO–8
95 Units/Rail
CS1108EDFR8
SO–8 2500 Tape & Reel
GND GND GND GND
Figure 1. Block Diagram
© Semiconductor Components Industries, LLC, 2001
1
April, 2001 – Rev. 6
Publication Order Number:
CS1108/D
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