HOT CHIP ML34063
The ML34063 is a monolithic control circuit containing the primary functions required for DC/DC converters. The device consists of an internal temperature compensated reference, comparator, controlled duty cycle oscillator with an active current limit circuit, driver and high current output switch. This device is specifically designed to be incorporated in step-down, step-up and voltage-inverting applications with a minimum number of external components.| Part No. | ML34063 |
|---|---|
| Datasheet | ML34063 Download |
| Manufacturer | HOT CHIP |
| Description | DC/DC CONVERTER CONTROLLER |
| Buy | Stock & Price |
GENERAL DESCRIPTION
The ±2% internal reference and low quiescent current of 1.6mA are among the improvements of the device over the competitionFEATURES
3V to 40V Input Voltage Operation. Internal 1.5A Peak Current Switch. Internal ±2% Reference. Low Quiescent Current . Frequency Operation Up to 100KHz. Low Dropout Operation: 100% Duty Cycle Current Limiting. Standard DIP8 and SOP8 PackagesAPPLICATIONS
DC-DC Converter Module ADSL Modems Hub. Battery Chargers Functional Diagram Ver1.0 1 PinDESCRIPTION
ML34063 Symbol Pin NO.DESCRIPTION
SC SE TC GND FB 1 1.5A switch collector 2 Darlington switch emitter 3 Oscillator timing capacitor 4 Power GND 5 Feedback comparator inverting input VCC 6 Power supply input IPK 7 Highside current sense input, VCC - VIPK=300mV DRI 8 Drive collector Ordering Information ORDERI NG NUM BER ML34063 ML34063A PACKAGE SOP8 DIP8ABSOLUTE MAXIMUM RATINGS
Supply Voltage ……………….……………………. ………………………………… ……40V Comparator Input Voltage Range ……………………….……..………………………-0.3V~40V Switch Collector Voltage ……………………………………………………………….
