FAN5776 datasheet(2/15 Pages) FAIRCHILD

部件名	FAN5776

功能描述	Synchronous Boost and Series / Parallel 10-LED Driver

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制造商	FAIRCHILD [Fairchild Semiconductor]

网页	http://www.fairchildsemi.com

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FAN5776

• Rev. 1.1.0

2

Block Diagram

LED4

C

OUT

VOUT

LED1

Q2

Q1

MODULATOR

LOGIC

AND CONTROL

LED2

FB

LED3

CURRENT

SOURCES

DIGITAL CONTROL

OF STARTUP

VIN

SW

C

IN

EN13

EN45

GND

R

SET

LED5

Group 2

Group 1

ISET

Figure 1.

Typical Application Block Diagram

Table 1.

Recommended External Components

Component

Description

Vendor

Parameter

Min.

Typ.

Max.

Units

L1

IL1 = 500 mA

Various

L

2.45

4.70

H

R

0.30



RSET

1% or Better

Various

R

20

200

k



COUT

10

F X5R or Better

Murata

GRM219R61A116UE82

C

4.2

10.0

20.0

F

CIN

2.2

F X5R or Better

Murata

GRM155R61A225KE95

C

2.2

F

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