DESCRIPTION

· LED driver with resistor-equipped NPN transistor and two diodes on a single chip

· Available in SOT223 (SC73) plastic package

· Types: NCR420Z, NCR421Z

FEATURES

· Stabilized output current: 10 mA (no external resistor), adjustable up to 150 mA (with external resistor)

· High current accuracy with supply voltage variation

· Low voltage overhead: 1.4 V

· High power dissipation: 1250 mW

· Supply voltage up to 40 V

· Digital PWM input up to 10 kHz (NCR421Z)

· AEC-Q101 qualified

APPLICATIONS

· Constant current LED driver

· Generic constant current source

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

· Increased stabilized output current by paralleling drivers