PAM2804 datasheet(5/11 Pages) PAM

Nome de Peças	PAM2804

Descrição Electrónicos	1A Step-Down Constant Current, High Efficiency LED Driver

PDF	11 Pages

Scroll/Zoom	100%

Fabricante Electrônico	PAM [Power Analog Micoelectronics]

Página de início	http://www.poweranalog.com

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5 / 11 page

100

150

200

250

300

350

2.5

3.5

4.5

5.5

Vin(V)

200

400

600

800

1000

1200

2.5

3.5

4.5

5.5

Vin(V)

0.1

0.2

0.3

0.4

0.5

0.6

120

Temper ature(℃)

Vin =4.2V

Vin =3.6V

Vin =2.7V

Power Analog Microelectronics Inc

www.poweranalog.com

PAM2804

1A Step-Down Constant Current, High Efficiency LED Driver

Typical Performance Characteristics

°C

T =25

, C =10 F, C =10 F, L=4.7 H, unless otherwise noted.

10/2010 Rev1.0

Eifficiency VS Input Voltage

Output Current VS Input Voltage

82%

84%

86%

88%

90%

92%

94%

96%

3.5

4. 5

5.5

Input Volt age (V)

330m A

750m A

Rcs=0.3ohm

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

3.5

4.5

5.5

Input Voltage (V)

VS Input Voltage

dson

Rdson VS Temperature

0.1

0.15

0.2

0.25

0.3

0.35

0.4

Input Voltage

Rcs=0.135ohm

Rcs=0.1ohm

Vin=3.6V

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