Product Summary
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 applications of the include DC/DC or AC/DC LED driver applications, LED backlight driver for LCD displays, General purpose constant current source, LED signage and displays, Architectural and decorative LED lighting, LED street lighting.
Parametrics
HV9961LG-G absolute maximum ratings: (1)VIN to GND: -0.5V to +470V; (2)VDD to GND: 12V; (3)CS, LD, PWMD, GATE, RT to GND: -0.3V to (VDD +0.3V); (4)Junction temperature range: -40℃ to +150℃; (5)Storage temperature range: -65℃ to +150℃; (6)Continuous power dissipation (TA = +25℃), 8-Lead SOIC: 650mW; 16-Lead SOIC: 1000mW.
Features
HV9961LG-G features: (1)Fast average current control; (2)Programmable constant off-time switching; (3)Linear dimming input; (4)PWM dimming input; (5)Output short circuit protection with skip mode; (6)Ambient operating temperature -40℃ to +125℃; (7)Pin-compatible with the HV9910B.
Diagrams
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![]() LED Lighting Drivers LED DRIVER WITH AVE RAGE-MODE (I) CNTRL |
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