NCP9003 driver equivalent, compact backlight led boost driver.
http://onsemi.com MARKING DIAGRAM
5 5 1 TSOP−5 SN SUFFIX CASE 483 DBNAYWG G 1
* 2.7 to 5.5 V Input Voltage Range
* Vout to 24 V Output Compliance Allows up to 5 .
* LED Display Back Light Control
* Keyboard Back Light
* High Efficiency Step Up Converter
ORDERING INFORM.
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