LP3321 regulator equivalent, constant current switching regulator.
High Efficiency: 90% 1.3MHzFixed-Frequency PWM Operation Maximum Output Voltage up to 40V Operating Range : 2.7V to 5.5V Shutdown Supply Current:<1uA Available in TSO.
The LP3321 can drive a string of up to 10 white LEDs in series, ensuring uniform brightness and eliminating several bal.
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