HA16654 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HA16654

PWM Controlled Switching Regulator

Hitachi -> Renesas Electronics 

Block Diagram

HA16654A, HA16664A Series

RT 2

CT 1

Vref 3

VIN 4

To under

voltage

lockout

Oscillator

DB

7

EI

8

To Vref

PWM

Compa-

rator

To internal

circuitry

Reference

Regulator

Under Voltage

Lockout

(Hysteresis Type)

VIN

5 OUT

6 GND

Output Stage

ERROR

INPUT

DB

CT

OUT

Figure 1 Waveform Timing

3

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