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CP2125 - White LED Step-up Converter

General Description

The CP2125 is a step-up DC/DC converter specifically designed for driving white LEDs with a constant current.

The device can drive up to 5 white LEDs from a 3.0V power supply.

PWM dimming control is supported to adjust the brightness of white LEDs.

Key Features

  • y y y y y y y Inherently matched LED current High efficiency: 84%(typical) Drives up to 5 LEDs from a 3.0V power supply Built-in over-voltage protection Fast 1.1 MHz switching frequency Shutdown current:.

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Datasheet Details

Part number CP2125
Manufacturer CHIP
File Size 201.19 KB
Description White LED Step-up Converter
Datasheet download datasheet CP2125 Datasheet

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CP2125E Step-Up White-LED Driver
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CP2123 Step-Up White-LED Driver
CP2124 Step-Up White-LED Driver Brief

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Product Brief CP2125 V0.9 DC/DC Series Step-Up White-LED Driver with Built-in Over-voltage Protection General www.datasheet4u.com Description The CP2125 is a step-up DC/DC converter specifically designed for driving white LEDs with a constant current. The device can drive up to 5 white LEDs from a 3.0V power supply. PWM dimming control is supported to adjust the brightness of white LEDs. The CP2125 switch at 1.1 MHz, allowing the use of tiny components. 105mV/200mV feedback voltage minimizes the power loss in the current setting resistor for better efficiency. The CP2125 is equipped with built-in over-voltage protection function, the SW 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.