3412EFE 데이터 시트보기 (PDF) - Linear Technology

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3412EFE

2.5A, 4MHz, Monolithic Synchronous Step-Down Regulator

Linear Technology 

LTC3412

TYPICAL APPLICATIO S

2.5V, 2.5A Regulator Using All Ceramic Capacitors

C1 22pF X5R

R1 392k

CIN3**

100μF

VIN

2.7V TO 5.5V

RPG

100k

PGOOD

CITH 1000pF X7R

RITH

15k

CC

100pF

R3

75k

RSS

4.7M

R2

110k

ROSC

309k

CSS

470pF X7R

1 SVIN

2 PGOOD

3 ITH

LTC3412

4 VFB

5 RT

6 SYNC/MODE

7

RUN

8 SGND

PVIN 16

SW 15

SW 14

13

PGND

PGND 12

SW 11

10

SW

PVIN 9

CIN1

22μF

X5R 6.3V

L1*

1μH

CIN2

22μF

X5R 6.3V

VOUT

2.5V

2.5A

COUT**

100μF

GND

*TOKO D62CB A920CY-1ROM

**TDK C4532X5R0J107M

3412 F05

16

1.8V, 2.5A Step-Down Regulator at 1MHz, Burst Mode Operation

VIN

C1 22pF X5R

3.3V

R1 232k

PGOOD

CITH 560pF X7R

RPG

100k

RITH

10k

C2

47pF

R3

75k

RSS

4.7M

R2

110k

ROSC

309k

CSS

470pF X7R

1

SVIN

2

PGOOD

3

ITH

LTC3412

4 VFB

5

RT

6 SYNC/MODE

7

RUN

8 SGND

16

PVIN

15

SW

SW 14

13

PGND

12

PGND

SW 11

10

SW

PVIN 9

*SUMIDA CR431R0

**AVX 12066D226MAT

CIN1**

22μF

L1

1μH*

CIN2

22μF**

3412 TA05

VOUT

1.8V

2A

COUT**

22μF

×2

GND

3412fb

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