General Description

The HV9150 is a high output voltage hysteretic mode step up DC/DC controller that has both a built-in charge pump converter and a linear regulator for a wide range of input voltage. The charge pump converter mode is ideal for battery powered applications. The internal converter can provide a minimum of 5.0V gate driver output voltage (at VIN = 2.7V) to the external N-channel MOSFET. The range of 2.7V to 4.5V input supply voltage is ideal for battery powered applications such as portable electronics equipment. The internal linear regulator is selected when a higher supply voltage rail is available in the system.

Features

► Wide output voltage range: 6V to 500V

► Low input voltage: 2.7V

► 5W maximum output power with external MOSFET driver

► Built-in charge pump converter for the gate driver

► Programmable switching frequency from 40kHz to 400kHz

► Four programmable duty cycles from 50 to 87.5

► FB return ground switch for power savings applications

► Built-in delay timer for internal protection

► Non-isolated DC/DC converter

► Processed with HVCMOS® technology

Applications

► Portable electronic equipment

► MEMS

► Printers