CS3524A - Voltage Mode PWM Control Circuit

onsemi

Key Features

an undervoltage lockout circuit which disables all internal circuitry (except the reference) until the input voltage has risen to 8.0 V. This holds standby current low until turn.
on, and greatly simplifies the design of low power, off.
line supplies. The turn.
on circuit has approximately 600 mV of hysteresis for jitter free activation. Other improvements include a PWM latch that insures freedom from multiple pulsing within a period, even in noisy environments; logic to eli.

CS3524A voltage mode pwm control circuit by onsemi - Datasheet Preview

Datasheet Details

Part number	CS3524A
Manufacturer	onsemi
File Size	228.09 KB
Description	Voltage Mode PWM Control Circuit
Datasheet	CS3524A Datasheet

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Full PDF Text Transcription (Reference)

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CS3524A Voltage Mode PWM Control Circuit with 200 mA Output Drivers The CS3524A PWM control circuit retains the same versatile architecture of the industry standard CS3524 (SG3524) while adding substantial improvements. The CS3524 is pin−compatible with “non−A” versions, and in most applications can be directly interchanged. The CS3524A, however, eliminates many of the design restrictions which had previously required additional external circuitry. The CS3524A includes a precision 5.0 V reference trimmed to ±1% accuracy (eliminating the need for potentiometer adjustments), an error amplifier with an output voltage swing extending to 5.0 V, and a current sense amplifier useful in either the ground or power supply output lines.