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

3.3V, 2.5A Step-Down Regulator at 1MHz, Forced Continuous Mode Operation

C1 22pF X5R

R1 634k

VIN

CIN3** 5V

100μF

RPG

100k

PGOOD

CITH 1000pF X7R

RITH

15k

CC

100pF

R2

200k

ROSC

309k

RSS

4.7M

CSS

470pF X7R

1

SVIN

2

PGOOD

3 ITH

4

VFB

LTC3412

5

RT

6

SYNC/MODE

7 RUN

8

SGND

16

PVIN

15

SW

14

SW

PGND 13

12

PGND

11

SW

SW 10

PVIN 9

*PULSE P1166.162T

**TDK C4532X5R0J107M

CIN1

22μF

X5R 6.3V

L1*

1μH

CIN2

22μF

X5R 6.3V

3412 TA01

VOUT

3.3V

2.5A

COUT**

100μF

GND

18

Lithium-Ion to 3.3V, Single Inductor Buck-Boost Converter

C1

22pF

R1 576k

RPG

100k

PGOOD

CITH 1000pF X7R RITH

15k

C2

100pF

R3

75k

RSS

4.7M

R2

110k

ROSC

309k

CSS

470pF X7R

1

SVIN

2

PGOOD

3

ITH

4 VFB

LTC3412

5 RT

6

SYNC/MODE

7 RUN

8

SGND

16

PVIN

15

SW

14

SW

PGND 13

12

PGND

11

SW

SW 10

9

PVIN

CIN1

22μF

X5R 6.3V

L1*

2μH

CIN2

22μF

X5R 6.3V

*TOKO D63CB

**TDK C4532X5R0J107M

3412 F04

CIN3**

100μF

×2

GND

VIN

2.7V TO 4.2V

D1

DIODES, INC.

B320A

M1

SILICONIX

Si2302DS

VOUT

3.3V

COUT**

100μF

GND

VIN MAXIMUM IOUT

2.7V

800mA

3V

900mA

3.5V

1.05A

4.2V

1.2A

3412fb

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