MIC2177(1999) 데이터 시트보기 (PDF) - Micrel

부품명

상세내역

일치하는 목록

MIC2177
(Rev.:1999)

2.5A Synchronous Buck Regulator

Micrel 

MIC2177

PWM-Mode Functional Diagram

VIN

4.5V to 16.5V

CIN

VIN 1 2 9

Micrel

ISENSE

Amp.

100mΩ

P-channel

100mΩ

N-channel

Stop

SYNC

18

200kHz

Oscillator

Corrective

Ramp

Reset

Pulse

COMP

CC

RC 13

R

Q

S

PWM

Comp.

Error

Amp.

VREF 1.245V

MIC2177 [Adjustable] PWM-Mode Signal Path

SGND 14 15 16 17

VOUT

R1

1.245

R2

SW

3

L1

8

IL1

D

COUT

PGND

4

5

6

7

1

VOUT

R1

FB

12

R2

VSW

Reset

Pulse

ILOAD

IL1

∆IL1

Error Amp.

Output

ISENSE

April 1999

9

MIC2177

Share Link: