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NCR421U

nexperia
Part Number NCR421U
Manufacturer nexperia
Description 150mA LED driver
Published Apr 30, 2019
Detailed Description NCR420U / NCR421U 150 mA LED driver in SOT457 Rev. 1 — 10 December 2018 Product data sheet 1. Product profile 1.1. Ge...
Datasheet PDF File NCR421U PDF File

NCR421U
NCR421U

Overview
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...


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