APW7067NME-TRL 查看數據表（PDF） - Anpec Electronics

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APW7067NME-TRL

Synchronous Buck PWM and Linear Controller

Anpec Electronics 

APW7067N

Block Diagram

VCC12

GND

50%VREF

:2

Regulator

VREF 10V

(0.8V)

U.V.P

Comparator

Power-On-

Reset

Sense Low Side

Soft Start

and

Fault Logic

O.C.P

Comparator

VOCP

0.25V

BOOT

UGATE

PHASE

Gate Control

Error

Amp 1

VREF

PWM

Comparator

U.V.P

Comparator

:2

50%VREF

Oscillator

Sawtooth

wave

VREF

FB

COMP

FS_DIS

Typical Application Circuits

LGATE

PGND

FBL

10V

Error

Amp 2

DRIVE

C1

2.2nF

VOUT1

R2

3.9K

R1

1.5K

R3

22Ω

C2

0.01uF

C3

22nF

VIN2

3.3V

RGND1

3K

CIN2

470uF

Q4

APM3055

C5 R5

VOUT2

2.5V

R4

2.5K

COUT2

470uF

Q3

ON/OFF

2N7002

C4

0.1uF

RFS_DIS

1 BOOT

2 FS_DIS

3 COMP

4 FB

5 DRIVE

6 FBL

7 GND

UGATE 14

PHASE 13

PGND 12

LGATE 11

NC 10

NC 9

VCC12 8

12V

R7

2.2Ω

RGND2

1.17K

APW7067N

C7

1uF

* C5, R5 for specific application

Copyright © ANPEC Electronics Corp.

11

Rev. A.3 - Mar., 2008

Q1

APM2509

CIN1

470uFx2

L

1uH

VIN1

12V

VOUT1

1.2V

Q2

APM2506

C6

2.2nF

R6

2.2Ω

COUT1

470uFx2

www.anpec.com.tw

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