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PDF CP2143 Data sheet ( Hoja de datos )
| Número de pieza | CP2143 | |
| Descripción | 3-Channel Low-Dropout Constant-Current Parallel LED Driver | |
| Fabricantes | CHIP | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CP2143 (archivo pdf) en la parte inferior de esta página. Total 2 Páginas | ||
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Product Brief
CP2143 V1.1
LED Driver Series
3-Channel Low-Dropout Constant-Current Parallel LED Driver with
Current Setting Resistor
www.datasheet4Gu.econmeral Description
The CP2143, a 3-channel low-dropout constant-current parallel LED
driver, can be used to drive white LED, blue LED or any color LED whose
forward operating voltage is lower than the battery voltage. The unique
Smart-MirrorTM technology is introduced in CP2143, which can guarantee
a constant LED current in various operating conditions. Without capacitor
or inductor, only one resistor is needed for setting the current of the LEDs.
The CP2143 is available in a space-saving Pb-free SOT23-6L package.
Features
SOT23-6L
-40℃~85℃
y 38μA supply current, can be powered by a GPIO port low as 2.5V
y LED’s current set by external resistor, up to 40mA per channel supported
y Only 150mV dropout voltage needed at 20mA per channel
y LED current matching: ±0.3% (typical)
y PWM dimming control or DC voltage control supported
y Over 90％ efficiency can be reached
y No EMI and switch noise
y Thermal shutdown protection
y Shutdown current less than 0.1μA
Applications
y Mobile phones
y Digital still camera
y MP3 players
y PDAs
y GPS receivers
y Torches
Pin Configurations
SOT23-6L Package
(Top View)
SOT23-6L Marking
EN 1
GND 2
6 LED1
5 LED2
CPLSG
SET 3
4 LED3
CPLSG-CP2143ST
Copyright ©2006 Chiphomer Technology Limited
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| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet CP2143.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
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| CP2142 | 4-Channel Low-Dropout Constant-Current Parallel LED Driver | CHIP |
| CP2143 | 3-Channel Low-Dropout Constant-Current Parallel LED Driver | CHIP |
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