Datasheet NCR420PAS, NCR421PAS (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 drivers Document Outline 1. Product profile 1.1. General description 1.2. Features and benefits 1.3. Applications 2. Quick reference data 3. Pinning information 4. Ordering information 5. Marking 6. Limiting values 7. Thermal characteristics 8. Characteristics 9. Application information 10. Package outline 11. Soldering 12. Revision history 13. Legal information Contents