NCR421PASX Nexperia

NCR420PAS / NCR421PAS 150 mA LED driver in DFN2020D-6 Rev. 1 13 May 2020 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 a leadless medium power DFN2020D-6 (SOT1118D) Surface-Mounted Device (SMD) plastic package with visible and solderable side pads. Table 1. Product overview Type number Package Name Version NCR420PAS DFN2020D-6 SOT1118D NCR421PAS 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 530 mW Supply voltage up to 40 V Digital PWM input up to 10 kHz frequency for NCR421PAS AEC-Q101 qualified 1.3. Applications Constant current LED driver Generic constant current source Automotive applications (for example: interior lighting, dash board, instrumentation, number plate light) Increase stabilized output current by paralleling driversNexperia NCR420PAS / NCR421PAS 150 mA LED driver in DFN2020D-6 2. Quick reference data Table 2. Quick reference data Symbol Parameter Conditions Min Typ Max Unit V enable voltage EN NCR420PAS - - 40 V NCR421PAS - - 4.5 V V output voltage - - 40 V out I stabilized output current out NCR420PAS V = 1.4 V 1 9 10 11 mA out V = 24 V EN NCR421PAS V = 1.4 V 1 9 10 11 mA out V = 3.3 V EN 1 Pulse test: t 300 s 0.02 p 3. Pinning information Table 3. Pinning Pin Symbol Description Simplified outline Symbol 1 VEN enable voltage IOUT GND N/C 6 5 4 2 REXT external resistor 3 N/C not connected 7 8 4 N/C not connected 5 GND ground 1 2 3 VEN REXT N/C 6 IOUT output current Transparent top view aaa-031469 7 IOUT output current DFN2020D-6 (SOT1118D) 8 N/C not connected 4. Ordering information Table 4. Ordering information Type Package number Name Description Version NCR420PAS DFN2020D-6 plastic, thermally enhanced ultra thin and small SOT1118D outline package no leads 6 terminals body 2 x 2 x NCR421PAS 0.65 mm 5. Marking Table 5. Marking codes Type number Marking code NCR420PAS 8C NCR421PAS 8D NCR420PAS NCR421PAS All information provided in this document is subject to legal disclaimers. Nexperia B.V. 2020. All rights reserved Product data sheet Rev. 1 13 May 2020 2 / 18