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PDF CP2129 Data sheet ( Hoja de datos )
| Número de pieza | CP2129 | |
| Descripción | White LED Step-up Converter | |
| Fabricantes | CHIP | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CP2129 (archivo pdf) en la parte inferior de esta página. Total 2 Páginas | ||
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Product Brief
Step-Up DC-DC Converter
CP2129
V1.1
DC/DC Series
www.datasheet4Gu.econmeral Description
The CP2129 is a step-up DC/DC converter specifically designed for
driving white LEDs with a constant current. The device can drive up to 4
white LEDs from a 3V power supply. PWM dimming control is
supported to adjust the brightness of the white LEDs. The CP2129
switches at 1.1 MHz allowing the use of tiny components. 250mV
feedback voltage minimizes the power loss in the current setting
resistor for better efficiency. The CP2129 is equipped with the over
voltage protection when the OVP pin connecting to the VOUT, which
can make the device keep in safe mode when the LEDs in open state.
The CP2129 is available in SOT23-6L package.
Features
y Inherently matched LED current
y High efficiency: 84% (typical)
y Stable 20V bipolar switches
y Internal output over-voltage protection (17V typical)
y Fast 1.1MHz switching frequency
y Uses tiny 1mm height inductors
y Shutdown current: <1 A
y Low profile SOT23-6L package
Applications
y Mobile phones
y Digital still camera
y MP3 players
y PDA
y GPS receivers
Pin Configurations
SOT23-6L
-40 85
CP2129 Top View
SOT23-6L
Copyright ©2006 Chiphomer Technology Limited
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| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet CP2129.PDF ] | |
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