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 

LTC1530

TYPICAL APPLICATIO S

LTC1530 High Efficiency Boost Converter

VIN

3.3V

D1

FMMD914

+ C1

10µF

C8

16V

1µF

16V

1

VIN

C1– 5

2

LTC1517-5

GND C1+

4

3

VOUT

C6

1µF

16V

C3

1µF

16V

R2

47k

C2

1µF

16V

C7

0.22µF

16V

R3

47k

C10 +

1µF

16V

C11 +

470µF

6V

C4

100pF

Q1

FMMT3904

R5

0.005Ω

5%

C12

470µF R4

6V

360Ω

L2

2.1µH

C9

0.22µF

16V

D2

MBR0530T1

D3

MBRS140T3

Q2

IRF7811

C16 +

330µF

10V

C18 +

330µF

10V

+ C17

330µF

10V

15 6

PVCC IMAX IFB

4

7

COMP

G2

C5

0.022µF

LTC1530

8

G1

R1

10k

3

VSENSE

GND

2

Q3

IRF7811

R6

23.2k

1%

Q4

IRF7811

R7

71.5k

1%

L1 = COILCRAFT DO3316P-102

L2 = SUMIDA CEE125C-2R1

L1

1µH

C14 +

330µF

10V

+

C13

1µF

16V

C15

330µF

10V

1530 TA05a

VOUT

5V

6A

Efficiency vs Load Current

100

90

80

70

60

50

40

30

20 TA = 25°C

10 VIN = 3.3V

VOUT = 5V

0

0

1

2

3

4

LOAD CURRENT (A)

5

6

1530 TA05b

1530fa

20

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