AIC1647 Ver la hoja de datos (PDF) - Analog Intergrations

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componentes Descripción

Lista de partido

AIC1647

White LED Step-Up Converter in SOT23

Analog Intergrations 

AIC1647

VIN

C1

1µF

L1

10µH

D1 RB512S-30

VIN

SW

D2

SHDN

GND

BZV55-B12

11.8V~12.2V

FB

AIC1647

R2

R1

0~5VDC

51K

1K

C2

1µF

20mA

RFB

4.7Ω

Fig. 21 Dimming Control Using a DC Voltage

VIN

C1

1µF

L1

10µH

D1 RB512S-30

VIN

SHDN

GND

SW

D2

BZV55-B12

11.8V~12.2V

FB

AIC1647

R3

R2

R1

PWM

5.1K 51K 1K

C3

0.1µF

C2

1µF

20mA

RFB

4.7Ω

Fig. 22 Dimming Control Using a Filter PWM Signal

APPLICATION EXAMPLE

VIN

C1

1µF

L

10µH

VIN SW

SHDN

GND FB

AIC1647

D1

RB521S-30

C2

1µF

20mA

R2

1K

RFB

R1

4.7Ω 4.7Ω

Fig. 23 Six white LEDs application in Li-Ion Battery

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