Datasheet

ManualsBrandsLINEAR TECHNOLOGY ManualsPMICsPMIC - voltage regulator - special purpose SSOP 24

24

LTC3776

3776fa

TYPICAL APPLICATIO S

U

Figure 15. 2-Phase, 750kHz, DDR Memory Supplies with Ceramic Output Capacitors

SGND

PLLLPF

IPRG2

IPRG1

V

FB1

I

TH1

SW1

R

VIN

10Ω

R

ITH2

6.2k

C

ITH2

2.2nF

C

SS

10nF

C

IN

22μF

C

VIN

1μF

V

IN

3.3V

V

IN

C

ITH2A

330pF

R

ITH1

22k

C

ITH1

1000pF

C

ITH1A

100pF

R

FB1B

187k

R

FB1A

59k

PGOOD

V

FB2

V

REF

PGND

I

TH2

TG2

LTC3776EUF

PGND

TG1

SYNC/SSEN

BG1

PGND

22

21

20

19

18

17

16

15

14

13

12

11

10

25

23

24

1

2

3

4

5

9

8

7

6

SENSE1

+

MP1

FDC638P

MP2

FDC638P

L1

2.2μH

L2

2.2μH

MN1

FDC637N

MN2

FDC637N

RUN/SS

BG2

PGND

SW2

SENSE2

+

C

OUT2

47μF

C

OUT1

47μF

V

DDQ

2.5V

2A

V

TT

1.25V

±2A

3776 F15

L1, L2: VISHAY IHLP-2525CZ-01