SLF12565 datasheet(6/15 Pages) RICHTEK

Part #	SLF12565

Description	RT7237C

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Manufacturer	RICHTEK [Richtek Technology Corporation]

Direct Link	http://www.richtek.com

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RT7237C

6

DS7237C-04

November 2012

www.richtek.com

©

Copyright

is a registered trademark of Richtek Technology Corporation.

Typical Application Circuit

VOUT (V)

R1 (k

Ω)

R2 (k

Ω)

RC (kΩ)

CC (nF)

L (

μH)

COUT (μF)

8

27

3

40

3.3

15

22 x 2

5

62

11.8

25

3.3

10

22 x 2

3.3

75

24

17

3.3

6.8

22 x 2

2.5

25.5

12

13

3.3

4.7

22 x 2

1.5

10.5

12

7

3.3

3.6

22 x 2

1.2

12

24

6

3.3

2

22 x 2

1

3

12

5

3.3

2

22 x 2

Table 1. Suggested Components Selection

VIN

EN

GND

BOOT

FB

SW

7

5

2

3

1

L

6.8µH

0.1µF

22µF x 2

R1

75k

R2

24k

VOUT

3.3V

10µF x 2

VIN

4.5V to 18V

RT7237C

SS

8

CSS

COMP

CC

3.3nF

RC

17k

CP

Open

6

4, 9 (Exposed Pad)

CBOOT

CIN

0.1µF

COUT

Chip Enable

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