M51996AFP 查看數據表（PDF） - Renesas Electronics

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M51996AFP

Switching Regulator Control

Renesas Electronics 

M51996AP/AFP

Recommended Operating Conditions

• Supply voltage range: 12 to 30 V

• Operating frequency: less than 500 kHz

• Oscillator frequency setting resistance

• T-ON pin resistance

 RON: 10 k to 75 kΩ

• T-OFF pin resistance

 ROFF: 2 k to30 kΩ

Block Diagram

OVP

REG (7.8 V)

Voltage

regulator

Under

voltage

lockout

5.8 V

F/B

7.1 V

3k

500

15.2 k

1S

6S

1S

1S

−

OP AMP

+

Latch

PWM

Comparator

PWM

latch

VCC

2.5 V

CF

T-ON

T-OFF

Oscillator

(triangle)

Current

limit detection

DET

Collector

VOUT

Emitter

SOFT

CLM+

GND

REJ03D0836-0201 Rev.2.01 Nov 14, 2007

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