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PDF PAM2805 Data sheet ( Hoja de datos )
| Número de pieza | PAM2805 | |
| Descripción | 3-MODES / 3W WLED DRIVER | |
| Fabricantes | Diodes | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PAM2805 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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A Product Line of
Diodes Incorporated
PAM2805
3-MODES/ 3W WLED DRIVER WITH 1 OR 2 CELL BATTERY
Description
The PAM2805 is a step-up DC-DC WLED driver with 3 modes cycling
function (100% brightness,25% brightness and 8.5Hz blinking).
The unique 3 modes cycling function can eliminate the needs of extra
functional MCU or IC.
The PAM2805 can deliver up to 750mA output current by setting an
external resistor.
The PAM2805 switches at a 1.0MHz constant frequency, allowing for
the use of small value external inductor and ceramic capacitors.
A low 95mV feedback voltage reduces the power loss in the RS for
better efficiency. With its internal 2A, 100mΩ device can provide high
efficiency even at heavy load.
The PAM2805 is available in TSOT26 package.
Features
3 Modes Cycling Function:
Power Off
Power Off
<5S <5S
Bright Dimming Blinking
Power Off
<5S
Reset to Bright Mode if Power Off time More Than 5S
Adjustable Output Current: Up to 750mA
8.5Hz Blinking Mode
Low Start-Up Voltage: 0.9V(typ)
Low SW on Resistance: 100mΩ
Over Temperature Protection
Over Voltage Protection
TSOT26 Package
Pb-Free Package
Pin Assignments
Top View
TSOT26
Applications
White LED Torch (Flashlight)
Typical Applications Circuit
PAM2805
Document number: DSxxxxx Rev. 1 - 0
ILED + 95mV/RS
1 of 9
www.diodes.com
July 2013
© Diodes Incorporated
1 page  
A Product Line of
Diodes Incorporated
PAM2805
Typical Performance Characteristics (cont.)
(@TA = +25°C, L = 2.2µF, CIN = 10µF, COUT = 10µF, CBLK = 1µF, unless otherwise specified.)
PAM2805
Document number: DSxxxxx Rev. 1 - 0
5 of 9
www.diodes.com
July 2013
© Diodes Incorporated
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet PAM2805.PDF ] | |
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