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DESCRIPTION

The SG2524, and SG3524 incorporate on a single monolithic chip all the function required for the construction of regulating power suppies inverters or switching regulators. They can also be used as the control element for high power-output applications. The SG3524 family was designed for switching regulators of either polarity, transformer-coupled dc-to-dc converters, transformer less voltage doublers and polarity converter applications employing fixed-frequency, pulse-width modulation techniques. The dual alternating outputs allows either single-ended or push-pull applications. Each device includes an on-ship reference, error amplifier, programmable oscillator, pulse-steering flip flop, two uncommitted output transistors, a high-gain comparator, and current limiting and shut-down circuitry.

■ COMPLETE PWM POWER CONTROL CIRCUITRY

■ UNCOMMITTED OUTPUTS FOR SINGLE-ENDED OR PUSH PULL APPLICATIONS

■ LOW STANDBY CURRENT 8mA TYPICAL

■ OPERATION UP TO 300KHz

■ 1 MAXIMUM TEMPERATURE VARIATION OF REFERENCE VOLTAGE