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NCV3066

ON Semiconductor
Part Number NCV3066
Manufacturer ON Semiconductor
Description Constant Current Buck Boost Inverting Switching Regulator
Published Mar 20, 2010
Detailed Description DATA SHEET www.onsemi.com Constant Current Step-Up/ Step-Down/Inverting Switching Regulator for HB-LEDs with Enable 1.5...
Datasheet PDF File NCV3066 PDF File

NCV3066
NCV3066

Overview
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.
The ON/OFF pin provides PWM dimming capability or a low power shutdown mode.
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 •...


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