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.
Pin 1 Pin Name Vout Type POWER Description This pin is the power side of the external inductor and must be connected to the external Schottky diode. It provides the output current to the load. Since the boost converter operates in a current loop mode.
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