SD42351
350MA WHITE SINGLE LED DRIVER
DESCRIPTION
The SD42351 is a low dropout current regulator rated for constant LE...
SD42351
350MA WHITE SINGLE LED DRIVER
DESCRIPTION
The SD42351 is a low dropout current
regulator rated for constant LED sink current. The low quiescent current and low dropout voltage is achieved by advanced Bi-CMOS process.
FEATURES
* No external component required. * Fixed 110mA, 150 mA, 170 mA, 215 mA, 245mA, 270mA, 305mA,
SOT-89-3
335mA sink current.
* Output short / open circuit protection.
* Low dropout voltage.
* Low quiescent current
* Build-in thermal protection * Supply voltage range 3V ~ 6V
APPLICATIONS
* 2KV HBM ESD protection * Advanced Bi-CMOS process.
* 1W Power LED driver
ORDERING INFORMATION
Package
SOT-89-3
Type SD42351NA SD42351NB SD42351NC SD42351ND SD42351NE SD42351NG SD42351NH SD42351NL
Seal 351A 351B 351C 351D 351E 351G 351H 351L
Current Value (Typical) (mA) 335 305 270 245 215 170 150 110
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: //www.silan.com.cn
REV:1.5
2008.03.13 Page 1 of 5
BLOCK DIAGRAM
SD42351
ABSOLUTE MAXIMUM RATINGS (Tamb=25°C)
Characteristics Max Supply Voltage Min Supply Voltage Operating Temperature Storage Temperature
Symbol VDD(max) VDD(min)
Tamb Tst
Rating 6 3
0 ~ + 70 -40 ~ +150
Unit V V °C °C
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, Tamb=25°C, IOUT=335mA)
Characteristics Supply Voltage Range Quiescent Current Output Current
Current Line Regulation
Dropout Voltage Power NMOS Leakage Thermal Shut-down Temp Shut-down Temp Hysteresis
Symbol
Test condition
VDD --
IQ --
IOUT 3V≤VIN≤6V
ΔIO...