PAM2805 datasheet(4/9 Pages) PAM

Nome de Peças	PAM2805

Descrição Electrónicos	3-Modes/3W WLED Driver with 1 or 2 Cell Battery

PDF	9 Pages

Scroll/Zoom	100%

Fabricante Electrônico	PAM [Power Analog Micoelectronics]

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

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4 / 9 page

Typical Performance Characteristics

T =25

, L=2.2uH , C =10uF, C

=10uF,

unless otherwise noted.

ΙΝ

ΟUT

℃

=1uF,

BLK

1. LED Power Efficiency vs Input Voltage

2. LED Current vs Input Voltage

3. DC Input Current vs Input Voltage

4. Feedback Voltage vs Input Voltage

Power Analog Microelectronics Inc

www.poweranalog.com

11/2011 Rev1.0

PAM2805

3-Modes/3W WLED Driver with 1 or 2 Cell Battery

100

0.7

1.0

1.3

1.6

1.9

2.2

2.5

2.8

3.1

Input Volt age(V)

ILED=350mA

ILED=750mA

100

200

300

400

500

600

700

800

0. 7

1.0

1.3

1.6

1. 9

2.2

2.5

2.8

3.1

Input Volt age(V)

ILED=750mA( 100% brightnes s )

ILED=350mA( 100% brightnes s )

ILED=750mA(25% brightness )

ILED=350 mA(25% brightnes s )

500

1 000

1 500

2 000

2 500

0 .7

1. 0

1.3

1.6

1.9

2.2

2. 5

2.8

3.1

3.4

Input Volt age(V)

ILED=750mA( 100% brightness)

ILED=350mA(100% brightnes s)

100

0.7

1.0

1.3

1.6

1.9

2.2

2. 5

2.8

3.1

3. 4

Input Voltage(V)

ILED=350mA( 100% brightness)

ILED=750mA(100% br ightnes s)

ILED=350mA (25% brightnes s)

ILED=750 mA( 25% br ightness )

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