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NUD4021

Features: • High Power Conversion Efficiency• Output Current in Excess of 1.0 A• Thermal Protection• Adjustable LED Current• 80 V Rating for Automotive Immunity• Internal SENSEFET™ for Lossless Current Sensing• Automotive CompliantApplication• ...

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SeekIC No. : 004436724 Detail

NUD4021: Features: • High Power Conversion Efficiency• Output Current in Excess of 1.0 A• Thermal Protection• Adjustable LED Current• 80 V Rating for Automotive Immunity• ...

NUD4021 Data Sheet

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Part Number:
NUD4021
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• High Power Conversion Efficiency
• Output Current in Excess of 1.0 A
• Thermal Protection
• Adjustable LED Current
• 80 V Rating for Automotive Immunity
• Internal SENSEFET™ for Lossless Current Sensing
• Automotive Compliant


Application

• Automotive LED Lighting
• 12 V Current Source


Pinout

Connection Diagram


Specifications

Symbol
Rating
Value
Unit
VCC
Input Voltage, Operating (Vcc to Ground)
VCC pin connected directly to the input voltage
VCC pin connected through a 10k resistor
24
80
V
VDD
Drain Voltage, Operating (Drain to Ground)
Transient (300 ms)
Steady−State
100
80
V
VEN
Enable Voltage, Operating (Enable to ground)
12
V
IDavg
Drain Current, Continuous (Note 1) SO−8
DPAK
0.4
2.0
A
IDpk
Drain Current, Peak SO−8
DPAK
1.5
4.0
A
ELD
Load Dump Pulse, Drain−to−Source. (Note 3), (Note 4)
(RSOURCE=0.5  , t=300 ms), (Vcc pin tied to Vbat, Enable open, L=330 H, Rsense=1.2  )
60
V
Rev−Bat
Reverse Battery, Drain−to−Source, (Vcc pin tied to Vbat)
(A diode in series with Vcc is required to protect the LED Load)
−14
V
Dual−Volt
Dual Voltage Jump Start, 2 minutes (Drain−to−Source), (Note 4)
(Vcc pin tied to Vbat, Enable open, L=330 H, Rsense=1.2 )
24
V
ESD
Human Body Model (HBM)
According to EIA/JESD22/A114 Specification
TBD
V

Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected.




Description

This integrated Switching LED Driver NUD4021 provides a regulated dc current to an LED powered from a standard automotive 12 V system. It is a low cost switching device which utilizes a minimal of external components that can be used to power high intensity LEDs for a number of applications.

The NUD4021 is recommended for currents of 50 mA to 400 mA, while the NUD4022/NUD4023 is recommended for currents of 300 mA to 2.0 A.




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