OC5121 datasheet by OCX.
| Part number | OC5121 |
|---|---|
| Datasheet | OC5121-OCX.pdf |
| File Size | 363.97 KB |
| Manufacturer | OCX |
| Description | Switching buck-type LED constant current controller |
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概述 OC5121 是一款高效率、高精度的降 压型大功率 LED 恒流驱动控制芯片。 OC5121 采用固定频率的平均电流控 制方式，具有优异的负载调整率和线性调 整率。 OC5121 通过调节外置的电流采样电 阻，能控制高亮度 LED 灯的驱动电流，使 LED 灯亮度达到预期恒定亮度。 OC5121 支持线性调光，可通过 CS 端 进行调光。 OC5121 集成电高低亮功能，可通过 HL 脚选择高亮或低亮工作模式。 OC5121 内部集成了 VDD 稳压管以及 过温保护电路，减少外围元件并提高系统 可靠性。.
| Part Number | Description |
|---|---|
| OC5122 | MOS Switch Buck-Type LED Constant Current Driver |
| OC5138T | MOS Switch Buck-Type LED Constant Current Driver |
| OC5011B | High-Side Current Sense Buck LED Constant Current Driver |
| OC5020B | Built-in MOS switch buck LED constant current driver |
| OC5021B | Switching step-down LED constant current driver |
| OC5022B | Built-in MOS switch buck LED constant current driver |
| OC5031B | High-end current detection buck LED constant current driver |
| OC5033 | High-end current detection buck LED constant current driver |
| OC5038 | Buck-type LED constant current driver |
| OC5207 | 800mA high-end current detection step-down LED constant current driver |
