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參數(shù)資料
| 型號： | STLC1 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | LED LAMPS CLUSTER DRIVER |
| 中文描述： | LED節(jié)能燈驅(qū)動集群 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 298K |
| 代理商： | STLC1 |
1/16
September 2002
I
FULLY MONOLITHIC FIXED FREQUENCY
SMPS
THREE LOW SIDE DRIVERS FOR STOP
TAIL AND TURN LED LAMPS ARRAYS
DRIVING
PROGRAMMABLE LOW SIDE DRIVER
OVER CURRENT LIMIT PROTECTION
UNDER CURRENT DIAGNOSTIC
INPUT OVERVOLTAGE PROTECTION
VERY LOW STAND-BY CURRENT
THERMAL PROTECTION WITH
HYSTERESIS
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DESCRIPTION
The STLC1, a device realized with the well
established BCD technology, is a fixed frequency
fully monolithic SMPS, with three independent
smart low side driver, primarily intended for
automotive rear led lamps driving.
The output voltage is set using a simple resistor
divider. Thermal shutdown with hysteresis, input
over-voltage and overcurrent protections give
robust design solutions.
STLC1
LED LAMPS CLUSTER DRIVER
ST-L
TL-L
-
+
TR-L
B+
TURN
STOP
TAIL
OSCILLATOR
PWM
SWITCH
CONTOLLER
-
+
1.24V
THERMAL
PROTECTION
CNTL
TS -PWM
LAMP
OUTAGE
DETECT
PULSE WIDTH
CONTROLLER
P-OUT
TR-DRV
REF
FDBK
ST-DRV
TL-DRV
REF
GND
LMP -OUT
OSC
COMP1
R
s
ERRAMP
M1
M2
M3
I
N
P
U
T
PWM
COMP
SCHEMATIC DIAGRAM
PowerSO-20
TM
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