Description
M5291 is a semiconductor integrated circuit which is designed for switching regulator control. The device consists of a comparator, controlled pulse width oscillator (with peak current protection circuit), temperature compensated reference, and high current output switch.
Especially, this IC was designed for Step-Down and Step-Up and Voltage-Inverting applications.

FEATUREs
•  Wide supply voltage range: 2.5 to 40 V
•  Low dissipation current: 1.4 mA
•  Wide range of output Voltage adjust: 1.17 to 40 V
•  Output switch current: 200 mA
•  Wide range of switching frequency: 100 Hz to 100 kHz
•  Built-in peak current protection circuit

Application
General power supply system