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HV9961LG-G

LED Driver, Buck (Step Down), 8V to 450V input, 1 Output, NSOIC-8

HV9961LG-G - LED Driver, Buck (Step Down), 8V to 450V input, 1 Output, NSOIC-8

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Manufacturer:
MICROCHIP MICROCHIP
Manufacturer Part No:
HV9961LG-G
Newark Part No.:
84X5961
Technical Datasheet:
HV9961LG-G   Datasheet
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Product Information

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:
Buck (Step Down)

:
8V

:
450V

:
-

:
-

:
-

:
1Outputs

:
SMD

:
NSOIC

:
8Pins

:
-40°C

:
125°C

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (2)

Product Overview

The HV9961LG-G is an average current mode control LED Driver IC operating in a constant OFF-time mode. Unlike HV9910B, this control IC does not produce a peak-to-average error and therefore greatly improves accuracy, line and load regulation of the LED current without any need for loop compensation or high-side current sensing. The output LED current accuracy is ±3%. The IC is equipped with a current limit comparator for hiccup-mode output short circuit protection. The HV9961 can be powered from an 8 to 450V supply. A PWM dimming input is provided that accepts an external control TTL compatible signal. The output current can be programmed by an internal 275mV reference or controlled externally through a 0 to 1.5V dimming input. HV9961 is pin-to-pin compatible with HV9910B and it can be used as a drop-in replacement for many applications to improve the LED current accuracy and regulation.
  • Fast average current control
  • Programmable constant OFF-time switching
  • Linear dimming input
  • PWM dimming input
  • Output short circuit protection with skip mode
  • Pin-compatible with the HV9910B

Applications

Automation & Process Control, LED Lighting, Imaging, Video & Vision

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