NCR421U Overview
LED driver consisting of resistor-equipped NPN transistor with two diodes on one chip in an SOT457 (SC-74; Product overview Type number Package Nexperia NCR420U SOT457 NCR421U SOT457 JEITA SC-74;.
NCR421U Key Features
- Stabilized output current of 10 mA without external resistor
- Stabilized output current adjustable up to 150 mA when an external resistor is used
- High current accuracy at supply voltage variation
- Low voltage overhead of 1.4 V
- Reduces ponent count and board space
- High power dissipation of 750 mW
- Supply voltage up to 40 V
- Digital PWM input up to 10 kHz frequency for NCR421U
- AEC-Q101 qualified