TS19376 데이터 시트보기 (PDF) - TSC Corporation
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TS19376 Datasheet PDF : 8 Pages
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TS19376
1A Step-down High Brightness LED Driver
Block Diagram
VIN
V25
CS
- COMPARATOR
CSN
+
130mV
2.5V
-
70µ
+
UVLO
COMPARATOR
DIM
DIM
BUFFER
SW
GATE
DRIVER
Driver
GND
Pin Function Description:
Pin
Name
Description
1
SW Switch Output. SW is the output of the internal driver switch.
2
GND Signal and power ground. Connect directly to ground plane.
3
DIM
Logic level dimming input. Drive DIM low to turn off the current regulator.
Drive DIM high to enable the current regulator.
4
CSN Current sense input
5
VIN Input Supply Pin. Must be locally bypassed.
Typical Application Circuit
ILED =
VCSN
0.130
=
= 0.325A
RS 0.4
3/8
Version: A12
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