NCR320U

NCR320U / NCR321U 250 mA LED driver in SOT457 Rev. 1 — 11 December 2018 Product data sheet 1. Product profile 1.1. General description LED driver consisting of a resistor-equipped NPN transistor with two diodes on one chip in an SOT457 (SC-74; TSOP6) plastic package. Table 1. Product overview Type number NCR320U NCR321U Package Nexperia SOT457 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 250 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 16 V Digital PWM input up to 10 kHz frequency for NCR321U AEC-Q101 qualified 1.3. Applications Constant current LED driver Generic constant current source Automotive applications (for example: interior lighting, ...