MAX1800 Datasheet (Maxim) - Digital Camera Step-Up Power Supply

MAX1800, Digital Camera Step-Up Power Supply

The MAX1800 provides a complete power-supply solution for digital still cameras and video cameras.

The device integrates a high-efficiency main step-up DC-DC converter, three auxiliary step-up controllers, and an uncommitted gain block that drives an external P-channel MOSFET for a linear regulator.

MAX1800 Features

* o +0.7V to +5.5V Input Voltage Range o Main DC-DC Converter 95% Efficiency +2.7V to +5.5V Adjustable Output Voltage 1.5A Load Current o Uncommitted Gain Block for Linear Regulator o Three Independent Auxiliary Step-Up Controllers Adjustable Maximum Duty Cycle o Oscillator and Reference Outputs to Dr