LTC1530CS8-1.9(RevA) View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC1530CS8-1.9
(Rev.:RevA)

High Power Synchronous Switching Regulator Controller

Linear Technology 

TYPICAL APPLICATIO S

LTC1530 3.3V to 1.8V, 14A Application

VIN

3.3V

LTC1530

C1

100pF

+

3.3µF

1 VIN

2

C1– 5

GND LTC1517-5

10µF +

3

VOUT

C1+ 4

D2

MBRS120

0.22µF

D1

MBRS120

2.4k

RC

13k

CC

0.022µF

PVCC

+

+

10µF

0.1µF

Q1

0.22µF

1

SUD50N03

5 IMAX PVCC

8

G1

4 COMP

6 20Ω

IFB

LTC1530-ADJ 7

G2

L1

2.5µH

+

Q2

SUD50N03

GND VSENSE 3

R2

2

1.24k

R1

576Ω

CIN

1500µF

×3

COUT

1500µF

×4

VOUT

1.8V

14A

1%

1% L1 = PANASONIC ETQP6F2R5HA PCC-N6

CIN = 3× SANYO 6MV1500GX

COUT = 4× SANYO 6MV1500GX

1530 TA03

VIN

3.3V

VIN

3.3V

3000pF

33k

Other Methods to Generate PVCC Supply from 3.3V Input

+

47µF

L1*

33µH

30Ω

2

1

VIN

ILIM

3

SW1

LT1107-12

8

SENSE

SW2 GND

4

5

D1

MBRS120T3

+

68µF

20V

PVCC

12V

1µF

+

3.3µF

L1**

10µH

3

6

SHDN

VIN

5

SW

1

VC

LT1317

2

FB

100pF

GND

4

D1

MBR0520

2.2M

300k

+ 10µF

20V

PVCC

10V

1µF

* SUMIDA CD54-330K OR

COILCRAFT DT3316-473

** SUMIDA CD43-100

1530 TA04

1530fa

19

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