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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.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°C to +125°C
Pin-compatible withthe HV9910B

HV9961 封裝圖

HV9961 封裝圖
| 型號 | 制造商 | 描述 | 購買 |
|---|---|---|---|
| HV9961NG-G-M934 | Vishay | 貼片電阻 0805 487Ω ±0.1% 5/8W ±50ppm/℃ | 立即購買 |
| HV9961NG-G-M901 | Renesas | 有源晶振 3.3V 500MHz SMD-6 | 立即購買 |
| HV9961LG-G | ATS | HEATSINK30X30X10MMR-TABT766 | 立即購買 |
| HV9961NG-G | TI | IC TXRX FULL 2/2 20SOPWRPAD | 立即購買 |
| 標題 | 類型 | 大?。↘B) | 下載 |
|---|---|---|---|
| AN9961DB9 無PFC80W電源方案 | 1812 | 點擊下載 | |
| 無PFCAN9961DB9-42W電源方案 | 446 | 點擊下載 | |
| MAX9961/MAX9962中文資料pdf | RAR | 999 | 點擊下載 |
| HV3090_V1.1詳細中文產(chǎn)品規(guī)格書 | 2493 | 點擊下載 |
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