MC34063A

IC REG BUCK BOOST INV ADJ 8SOIC,                                                        

PMIC - Voltage Regulators - DC DC Switching Regulators
Packaging      Tube  
Type    Step-Down (Buck), Step-Up (Boost), Inverting
Output Type    Adjustable
Number of Outputs    1
Voltage - Output    1.55 V ~ 40 V
Voltage - Input    3 V ~ 40 V
Frequency - Switching    33kHz
Current - Output    1.5A
Synchronous Rectifier    No
Mounting Type    Through Hole
Package / 8-SOIC (0.154", 3.90mm Width)

 data sheet