MAX8645X_08 datasheet(11/14 Pages) MAXIM

Part #	MAX8645X

Description	1x/1.5x/2x White LED Charge Pumps with Two LDOs in 4mm x 4mm TQFN

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Manufacturer	MAXIM [Maxim Integrated Products]

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1x/1.5x/2x White LED Charge Pumps with Two

LDOs in 4mm x 4mm TQFN

______________________________________________________________________________________

11

MAX8645X

MAX8645Y

1

μF

10

μF

0.01

μF

10

μF

IN

GND

P1

P2

OUT

MAIN

FLASH

OUTPUT

UP TO 480mA

1

μF

1

μF

LDO1

LDO2

C2P

C2N

1

μF

C1P

C1N

REFBP

SETM

SETF

PGND

ON/OFF AND

VOLTAGE

SELECTION

INPUT

2.7V TO 5.5V

ENM2

ENM1

ENF

ENLDO

M1

M2

M3

M4

M5

M6

F1

F2

4.12k

Ω

6.81k

Ω

Figure 3. Providing Increased LED Current per LED

MAX8645X

MAX8645Y

C4

1

μF

C8

0.01

μF

C1

10

μF

IN

GND

P1

P2

OUT

MAIN

FLASH

OUTPUT

UP TO 480mA

C6

1

μF

C7

1

μF

C5

10

μF

LDO1

LDO2

C2P

C2N

C3

1

μF

C1P

C1N

REFBP

SETM

SETF

PGND

VOLTAGE

SELECTION

INPUT

2.7V TO 5.5V

ENM2

ENM1

ENF

ENLDO

M1

M2

M3

M4

M5

M6

F1

F2

RSETF

4.12k

Ω

FLASH ON/OFF

AND DIMMING

ON/OFF

RSETM

6.81k

Ω

MAIN ON/OFF

AND DIMMING

Figure 2. Dimming Using Single-Wire, Serial-Pulse Interface

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Similar Description - MAX8645X_08

Manufacturer	Part #	Datasheet	Description
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MAX8645X Datasheet(PDF) 11 Page - Maxim Integrated Products

MAX8645X Datasheet(HTML) 11 Page - Maxim Integrated Products

Similar Part No. - MAX8645X_08

Similar Description - MAX8645X_08

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