HV9961NG-G-M934
ActiveLED DRIVER W/ AVERAGE-MODE CONSTANT CURRENT CONTROL
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HV9961NG-G-M934
ActiveLED DRIVER W/ AVERAGE-MODE CONSTANT CURRENT CONTROL
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Technical Specifications
Parameters and characteristics for this part
| Specification | HV9961NG-G-M934 |
|---|---|
| Applications | Signage, Lighting, Backlight |
| Dimming | Analog, PWM |
| Internal Switch(s) | False |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 125 °C |
| Operating Temperature [Min] | -40 °C |
| Package / Case | 16-SOIC |
| Package / Case [x] | 0.154 in |
| Package / Case [y] | 3.9 mm |
| Supplier Device Package | 16-SOIC |
| Topology | Step-Down (Buck) |
| Type | DC DC Controller |
| Voltage - Supply (Max) [Max] | 450 V |
| Voltage - Supply (Min) [Min] | 8 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tape & Reel (TR) | 2600 | $ 1.78 | |
| Microchip Direct | T/R | 1 | $ 2.35 | |
| 25 | $ 1.94 | |||
| 100 | $ 1.78 | |||
| 1000 | $ 1.70 | |||
| 5000 | $ 1.69 | |||
Description
General part information
HV9961 Series
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 - 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 - 1.5V dimming input.
