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HV9961LG-G :: LED Treiber, Current Control, SO-8

Artikel-Nr.: HV9961LG-G
1,71 €
Warengruppe: 1

HV9961LG-G

The HV9961 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 8.0 ... 450 V supply. A PWM dimming input is provided that accepts an external control TTL compatible signal. The output current can be programmed by an internal 275 mV reference, or controlled externally through a 0 ... 1.5 V 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
• Ambient operating temperature -40 ... +125° C
• Pin-compatible with the HV9910B

Technical Data:
• Topology: Buck
• Input Voltage: 8 ... 400 V
• Power: 650 mW



Hersteller : MICROCHIP
Artikelnummer des Herstellers : HV9961LG-G
Verpackungsgewicht : 0.0001 kg
RoHS : konform
Technische Daten
Datenblatt/Bedienungsanleitung