NU503B
NU503B is 20mA Constant Current Regulator manufactured by NumEn.
Low Power Lighting LED Driver Data sheet 20m A Constant Current Regulator
Features
- The most easy used linear constant current LED driver
- Do not need to take VDD power
- 20m A constant current regulator
- 1.6V ~ 15V wide working voltage range
- 1u S current rising time, support power supply PWM dimming function
- Less than 1%/V line/load regulation
- 125°C ~160°C junction temperature current ramp down thermal protect
- -40℃ ~ 85℃ operating temperature
- Pb free
Applications
- LED strip
- General LED lighting
- LCD back lighting
- LED torch / flashlight
Package Type
- SOT 23-3 (2.9mm
- 1.3mm)
503B
2014/05/22
Block Diagram and Ideal IV characteristic
Vrefence
IV curve
Ip
Is
Vt
Vp
Maximum Ratings (T = 25°C)
Characteristic Supply voltage Reverse voltage Power Dissipation (Ta=25°C) Thermal Resistance (On PCB, Ta=25°C) Operating temperature Storage...
