SG3524J

调整脉冲宽度调制器 REGULATING PULSE WIDTH MODULATOR

DESCRIPTION

This monolithic integrated circuit contains all the control circuitry for a regulating power supply inverter or switching regulator. Included in a 16-pin dual-in-line package is the voltage reference, error amplifier, oscillator, pulse width modulator, pulse steering flip-flop, dual alternating output switches and current limiting and shut-down circuitry.

FEATURES

• 8V to 40V operation

• 5V reference

• Reference line and load regulation of 0.4%

• Reference temperature coefficient < ± 1%

• 100Hz to 300KHz oscillator range

• Excellent external sync capability

• Dual 50mA output transistors

• Current limit circuitry

• Complete PWM power control circuitry

• Single ended or push-pull outputs

• Total supply current less than 10mA