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SD42524 Datasheet(PDF) 2 Page - Silan Microelectronics Joint-stock

Part # SD42524
Description  1A High Power LED Driver with 6~36V Input
PDF  11 Pages
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Manufacturer  SILAN [Silan Microelectronics Joint-stock]
Direct Link  http://www.silan.com.cn
Logo SILAN - Silan Microelectronics Joint-stock

SD42524 Datasheet(HTML) 2 Page - Silan Microelectronics Joint-stock

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SD42524
BLOCK DIAGRAM
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
REV:1.1
2009.06.26
Http://www.silan.com.cn
Page 2 of 11
ABSOLUTE MAXIMUM RATING
Characteristics
Symbol
Ratings
Unit
Supply Voltage
VIN
40
V
Switch Voltage
VSW
-1~VIN+1
V
PWM Voltage
VPWM
-0.3~6
V
Comp Voltage
VCOMP
-0.3~6
V
SENSE voltage
VSENSE
-0.3~VIN
V
Junction Temperature
Tj
150
°C
Lead Temperature
TL
260
°C
Storage Temperature
TSTG
-65~150
°C
Input Voltage
VIN
6~40
V
Operating Temperature
TOPR
-40~125
°C
ELECTRICAL CHARACTERISTICS（Unless otherwise specified, VIN=12V，IOUT=700mA,Tamb=25°C）
Characteristics
Symbol
Test Condition
Min.
Typ.
Max.
Unit
Supply Voltage
VIN
6
36
V
Operating Current
IIN
VCC=6/40V, VPWM=5V
1.5
2.0
mA
Upper Switch Leakage
IL
VSW=36V
0
5
μA
Current Limit
ILIM
VIN=SENSE=12V
1.6
1.9
2.2
A
Maximum Duty Cycle
Dmax
3LED, VIN=9V
--
93
95
%



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