NCR421U

NCR420U / NCR421U 150 mA LED driver in SOT457 Rev. 1 — 10 December 2018 Product data sheet 1. Product profile 1.1. General description LED driver consisting of resistor-equipped NPN transistor with two diodes on one chip in an SOT457 (SC-74; TSOP6) plastic package. Table 1. Product overview Type number Package Nexperia NCR420U SOT457 NCR421U SOT457 JEITA SC-74; TSOP6 SC-74; TSOP6 1.2. Features and benefits 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 component 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 1.3. Applications Constant current LED driver Generic constant current source Automotive applications (for example: interior lighti...