NCP5603 datasheet(8/13 Pages) ONSEMI

Part #	NCP5603

Description	High Efficiency Charge Pump Converter

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Manufacturer	ONSEMI [ON Semiconductor]

Direct Link	http://www.onsemi.com

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NCP5603

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8

TYPICAL CHARACTERISTICS

Test conditions: Vbat = 3.6 V, Vout = 5 V, Load = 4*LW87S,

ILED = 25mA

Figure 9. Typical PWM Dimming

Vbat

C1P

3

2

9

C1N

EN/PWM

6

Fsel

4

Vsel

5

GND

8

GND

NCP5603

C2N

C1P

C2

1

mF/16 V

7

10

Vout

1

C2

1

mF/6.3 V

VCC

R1

1

W

GND

Figure 10. Typical High Power Flash Circuit

C1

10

mF/10 V

C4

10

mF

D1

OSRAM: LWW5SG

GOLDEN DRAGON

GND

PWR−FLASH

GND

EN

FSEL

VSEL

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NCP5603 Datasheet(PDF) 8 Page - ON Semiconductor

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