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NCP3065 - Constant Current Buck Boosting Inverting Switching Regulator

Description

Pin No.

N.C.

Features

  • Integrated 1.5 A Switch.
  • Input Voltage Range from 3.0 V to 40 V.
  • Low Feedback Voltage of 235 mV.
  • Cycle.
  • by.
  • Cycle Current Limit.
  • No Control Loop Compensation Required.
  • Frequency of Operation Adjustable up to 250 kHz.
  • Operation with All Ceramic Output Capacitors or No Output Capacitance.
  • Analog and Digital PWM Dimming Capability.
  • Internal Thermal Shutdown with Hysteresis.
  • Automotive Version Av.

📥 Download Datasheet

Datasheet Details

Part number NCP3065
Manufacturer onsemi
File Size 365.29 KB
Description Constant Current Buck Boosting Inverting Switching Regulator
Datasheet download datasheet NCP3065 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 1.5 A NCP3065, NCV3065 The NCP3065 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 NCP3065 has a wide input voltage up to 40 V to allow it to operate from 12 Vac or 12 Vdc supplies commonly used for lighting applications as well as unregulated supplies such as Lead Acid batteries. The device can be configured in a controller topology with the addition of an external transistor to support higher LED currents beyond the 1.5 A rated switch current of the internal transistor.
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