LTC1530CS8-2.8(RevA) View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC1530CS8-2.8
(Rev.:RevA)

High Power Synchronous Switching Regulator Controller

Linear Technology 

LTC1530

APPLICATIO S I FOR ATIO

PVCC

+

10µF

0.1µF

C1 RC

CC

BOLD LINES INDICATE VIN

HIGH CURRENT PATHS

1

PVCC

8

G1

LTC1530

2 GND

7

G2

3 VOUT

4

COMP

IFB 6 RIFB

IMAX 5 RIMAX

+

Q1

CIN

LO

VOUT

Q2

+

COUT

0.1µF

1530 F09

Figure 9. LTC1530 Layout Diagram

PVCC

12V +

10µF

C1

(SEE TABLE)

2.7k

0.1µF

1

5

PVCC IMAX G1 8

4

6 20Ω

COMP

IFB

RC

LTC1530

7

(SEE TABLE) G2

CC

3

GND VOUT

2

VIN

5V

+

Q1* LO†

+

Q2*

CIN**

CO

(SEE

TABLE)

VOUT

1.9V TO 3.3V

14A

1530 F10

* SILICONIX SUD50N03-10

** 3× SANYO 10MV1200GX OR

3× SANYO OS-CON 6SH330K

† COILTRONICS CTX02-13198 (2µH) OR

PANASONIC ETQP6F2R5HA PCC-N6 (2.5µH)

DEVICE

LTC1530-3.3

LTC1530-3.3

LTC1530-2.8

LTC1530-2.8

LTC1530-2.5

LTC1530-2.5

LTC1530-1.9

LTC1530-1.9

OUTPUT CAPACITOR (CO)

7 X330µF

AVX TPSE337M006R0100

4 X1500µF

SANYO 6MV1500GX

7 X330µF

AVX TPSE337M006R0100

4 X1500µF

SANYO 6MV1500GX

7 X330µF

AVX TPSE337M006R0100

4 X1500µF

SANYO 6MV1500GX

7 X330µF

AVX TPSE337M006R0100

4 X1500µF

SANYO 6MV1500GX

RC

CC

C1

10k 0.022µF 150pF

15k 0.022µF 100pF

8.6k 0.022µF 150pF

13k 0.022µF 100pF

7.5k 0.022µF 220pF

11k 0.022µF 120pF

5.6k 0.033µF 220pF

8.2k 0.022µF 220pF

1530 TA TBL

Figure 10. 5V to 1.9V-3.3V Synchronous Buck Converter

PVCC Is Powered from 12V Supply

1530fa

17

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