CE9908 Datasheet (Chipower) - Step-up DC-DC Converter

CE9908, Step-up DC-DC Converter

Adjustable High Output Voltage High Efficiency Step-Up DC/DC Converter CE9908 Adjustable High Output Voltage High Efficiency Step-Up DC/DC Converter CE9908 INTRODUCTION The CE9908 is a CMOS step-up switching DC/DC converter, which allows the duty ratio to be automatically switched according to the load (light load: 50%, high output current: 75%), enabling products with a low ripple over a wide range, high efficiency, and high output current.

With the CE9908, a step-up switching DC/

CE9908 Features

* z Low voltage operation: Oscillation start voltage at 0.8V z Duty ratio: 50/75%, built-in auto switching z External parts: Coil, capacitor, diode, NMOS z High efficiency：85%（typ.） z Output voltage Adjustable z Providing Flexibility for Usi