LTC3412IFE View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC3412IFE

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

Linear Technology 

APPLICATIO S I FOR ATIO

CFB 22pF X5R

R1 392k

RPG

100k

PGOOD

CITH 680pF X7R RITH

7.15k

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

16

PVIN

15

SW

14

SW

PGND 13

12

PGND

SW 11

SW 10

PVIN 9

CIN1††

220μF

L1*

1μH

CIN2

22μF

X5R 6.3V

*TOKO D62CB A920CY-1ROM

**SANYO POSCAP 4TPB100M

†TAIYO YUDEN LMK325BJ106MN

††SANYO POSCAP 2R5TPC220M

3412 F04

LTC3412

VIN

2.7V TO 4.2V

COUT2†

10μF

+

VOUT

2.5V

2.5A

COUT1**

100μF

×2

GND

Figure 4. Single Lithium-Ion to 2.5V, 2.5A Regulator at 1MHz, Burst Mode Operation Using POSCAPs

3412fb

15

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