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AZ7500BMTR-E1

PULSE-WIDTH-MODULATION CONTROL CIRCUITS
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Description

General Description
The AZ7500B/C is a voltage mode pulse width modulation switching regulator control circuit designed primarily for power supply control. The AZ7500B/C consists of a reference voltage circuit,
two error amplifiers, an on-chip adjustable oscillator, a dead-time control (DTC) comparator, a pulse-steering control flip-flop, and an output control circuit. The precision of voltage reference (V
REF) is improved up to ±1% through trimming and this provides a better output voltage regulation. The AZ7500B/C provides for push pull or single-ended output operation, which can be
selected through the output control.

Features
· Stable 4.95V/5V Reference Voltage Trimmed to ±1.0% Accuracy
· Uncommitted Output TR for 200mA Sink or Source Current
· Single-End or Push-Pull Operation Selected by Output Control
· Internal Circuitry Prohibits Double Pulse at Either Output
· Complete PWM Control Circuit with Variable Duty Cycle
· On-Chip Oscillator With Master or Slave Operation

Features

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