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NCP3066 - Constant Current Buck Boost Inverting Switching Regulator

Description

Pin No.

Description Internal Darlington switch collector.

Internal Darlington switch emitter.

Features

  • Integrated 1.5 A Switch.
  • Input Voltage Range from 3.0 V to 40 V.
  • Logic Level Shutdown Capability.
  • Low Feedback Voltage of 235 mV.
  • Cycle.
  • by.
  • Cycle Current Limit.
  • No Control Loop Compensation Required.
  • Frequency of Operation Adjustable up to 250 kHz.
  • Analog and Digital PWM Dimming Capability.
  • Internal Thermal Shutdown with Hysteresis.
  • NCV Prefix for Automotive and Other.

📥 Download Datasheet

Datasheet Details

Part number NCP3066
Manufacturer onsemi
File Size 1.67 MB
Description Constant Current Buck Boost Inverting Switching Regulator
Datasheet download datasheet NCP3066 Datasheet

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Full PDF Text Transcription

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DATA SHEET www.onsemi.com Constant Current Step-Up/ Step-Down/Inverting Switching Regulator for HB-LEDs with Enable 1.5 A NCP3066, NCV3066 The NCP3066 is a monolithic switching regulator designed to deliver constant current for powering high brightness LEDs. The device has a very low feedback voltage of 235 mV (nominal) which is used to regulate the average current of the LED string. In addition, the NCP3066 has a wide input voltage up to 40 V to allow it to operate from a 12 Vac or a 12−36 Vdc supply, commonly used for lighting applications as well as unregulated supplies such as rechargeable batteries. The NCP3066 switching regulator can be configured in Step−Down (Buck), Step−Up (Boost) and Voltage−Inverting topologies with a minimum number of external components.
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