NCR320Z
NCR320Z is 250mA LED driver manufactured by Nexperia.
description
LED driver consisting of a resistor-equipped NPN transistor with two diodes on one chip in a medium power SOT223 (SC-73) Surface-Mounted Device (SMD) plastic package.
Table 1. Product overview
Type number
Package
Nexperia
SOT223
NCR321Z
SOT223
JEITA SC-73 SC-73
1.2. Features and benefits
- Stabilized output current of 10 m A without external resistor
- Stabilized output current adjustable up to 250 m A when an external resistor is used
- High current accuracy at supply voltage variation
- Low voltage overhead of 1.4 V
- Reduces ponent count and board space
- High power dissipation of 1250 m W
- Supply voltage up to 16 V
- Digital PWM input up to 10 k Hz frequency for NCR321Z
- 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
Nexperia
NCR320Z / NCR321Z
250 m A LED driver in SOT223
1.4. Quick reference data
Table 2. Quick reference data
Symbol
Parameter
VEN enable voltage
NCR321Z
Vout output voltage
Iout stabilized output current
NCR321Z
[1] Pulse test: tp ≤ 300 µs; δ ≤ 0.02
Conditions
Vout= 1.4 V; VEN= 12 V Vout= 1.4 V; VEN= 3.3...