DESCRIPTION

· LED driver with resistor-equipped NPN transistor and two diodes on a single chip in SOT457 (SC-74; TSOP6) package.

FEATURES

· Stabilized output current of 10 mA without external resistor.

· Adjustable output current up to 150 mA with external resistor.

· High current accuracy with 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.

APPLICATIONS

· Constant current LED driver.

· Generic constant current source.

· Automotive applications (e.g., interior lighting, dash board, instrumentation, number plate light).

· Increase stabilized output current by paralleling drivers.