'MODULATORS' related articles 1

  1. 2007/01/09 SG2524 - REGULATING PULSE-WIDTH MODULATORS
ㅁ Complete Pulse-Width Modulation (PWM) Power-Control Circuitry
ㅁ Uncommitted Outputs for Single-Ended or Push-Pull Applications
ㅁ Low Standby Current . . . 8 mA Typ
ㅁ Interchangeable With Industry Standard SG2524 and SG3524

Description/ordering information
The SG2524 and SG3524 incorporate all the functions required in the construction of a regulating power supply, inverter, or switching regulator on a single chip. They also can be used as the control element for high-power-output applications. The SG2524 and SG3524 were
designed for switching regulators of either polarity, transformer-coupled dc-to-dc converters, transformerless voltage doublers, and polarity-converter applications employing fixed-frequency, pulse-width modulation (PWM) techniques. The complementary output allows either single-ended or push-pull application. Each device includes an on-chip regulator, error amplifier, programmable oscillator, pulse-steering flip-flop, two uncommitted pass transistors, a high-gain comparator, and current-limiting and shutdown circuitry.

SG3524N SG3524D SG3524DR SG3524NSR SG2524N SG2524D SG2524DR

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