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
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
Applications
Constant 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
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
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
Applications
- Constant 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
