DN-43 Simple Techniques to Generate a Negative Voltage Bias Supply

Texas Instruments

Published Date: 09/05/1999

Description

A low-power negative supply voltage can be developed from a positive input supply using some very common PWM control ICs. Typical applications include generating a -5V to -12V supply for analog function ICs (OP amps) RS-232 communication circuits and MOSFET or IGBT gate drives at power levels below a few watts. This design note describes a low-power negative output voltage +5 to ?5V inverter usi

Parts

Part Number Name Companion Part
5962-9451301MPA 5962-9451301MPA Buy Datasheet
5962-9451304MPA 5962-9451304MPA Buy Datasheet
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