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PDF CP2124 Data sheet ( Hoja de datos )
| Número de pieza | CP2124 | |
| Descripción | Step-Up White-LED Driver Brief | |
| Fabricantes | CHIP | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CP2124 (archivo pdf) en la parte inferior de esta página. Total 2 Páginas | ||
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Free Datasheet http://www.datasheet4u.com/
Product Brief
CP2124
V1.0
DC/DC Series
Step-Up White-LED Driver for Mid-size or Large Size Panel with
1-Wire Pulse Counting Dimming Control
� General Description
The CP2124 is a step-up DC/DC converter specifically designed for driving white LEDs with a
constant current. The device can drive up to 33 white LEDs from a 3.5V power supply or 60 white
LEDs from a 10-24V power supply. 1-wire pulse counting dimming control is supported to adjust
the brightness of white LEDs. The CP2124 switch at 1.0 MHz, allowing the use of tiny
components. 300mV feedback voltage minimizes the power loss in the current setting resistor for
better efficiency. The CP2124 is equipped with over-voltage protection function, the OVP pin
monitors the output voltage and will turn off the device if an over-voltage condition is present to
prevent damage from an open circuit condition. The CP2124 is available in SOT23-6L and
DFN-8L package.
� Features
� Inherently matched LED current
� High efficiency: Up to 90%
� Over-voltage protection with linear OVP voltage setting
� Fast 1.0 MHz switching frequency
� Shutdown current: <1μA
� SOT23-6L and DFN-8L package
� 1-Wire Pulse Counting Dimming
� Drives up to 12 series connected LEDs from a 3.5V power supply
� Drives up to 33(11×3) LEDs from a 3.5V power supply
� Drives up to 60 LEDs from a 10V power supply
�
� Applications
� Huge screen size mobile phones
� Digital still cameras
� PDAs, PNDs, MP4 players
� Flash or Torch
� Pin Configurations
SOT23-6L
-40℃～85℃
DFN-8L
-40℃～85℃
CP2124 Top View
Copyright ©2012 Chiphomer Technology Limited
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| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet CP2124.PDF ] | |
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