MEL71XX-N is a low standby current and low dropout voltage LED constant current drive. The output current range from 100 to 400 mA, stepping adjustment, each step 10 mA, and can through multiple chip parallel way to extend the LED current driving ability.

It has a soft start inside, temperature protection and low voltage protection.

  Features

Output current: 100 mA ~ 400mA (each step 10mA)

Highly Accuracy: +5%

Voltage range: 2.7V~5.5V

Dropout Voltage: 150mV@ 350mA

Standby Current: 140uA

Thermal Shutdown Protection: 140C

Under-voltage protection

MEL71XX-N: Vth=2.5V

MEL71XXB-N: Vth=1 .5V

  Typical Application

LED lighting drive

LED flashlight, LED lamp, LED miner's lamp, LED LED flashlight, LED lamp, LED miner's lamp, LED

封装：SOT23-3 SOT89-3