Product Brief CP2122 V1.
0 LED Driver Series Step-Up White-LED Driver for Mid-size or Large Panel General www.
datasheet4u.
com Description The CP2122 is a step-up DC/DC converter specifically designed for driving white LEDs with a constant current.
Operation at a fixed switching frequency of 1.
4MHz allows the device to be used with small value external ceramic capacitors and inductors.
Series connection of LEDs provides equal LED current which results in uniform brightness.
300mV feedback voltage minimizes the power loss in the current setting resistor for better efficiency.
The CP2122 high-voltage output stage is ideal for driving parallel strings of up to seven white LEDs in series or u...

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