產品描述：
SM4AXXS是高性價比、支持PWM調光的單通道LED恒流驅動芯片，具有寬電壓范圍輸入、低閾值電壓開啟特點，解決因電源電壓衰減造成的LED燈帶亮度不一致問題。
特性 輸入電源電壓：2~40Vdc 輸出電流：固定為15MA/20MA/25MA/30MA， OUT端口耐壓：40V 輸出電流精度：±5% 恒流拐點電壓低：輸出電流負溫度特性 支持PWM調光 線路簡單、應用靈活，成本低
封裝形式：SOD-123
IC Name | Topology | IOUT
Precision | IOUT.MAX | HV_MOSFET | BVDSS | Channel | Dimming
mode | Package |
|---|
| SM4A00T | Linear | ±5% | 120mA | Inside | 40V | 1 | PWM | SOT23-5 |
| SM4A00TS | Linear | ±5% | 20~120mA | Inside | 40V | 1 | PWM | SOT23-3 、SOT89-3 |
| SM4A10T | Linear | ±5% | 10.5mA | Inside | 40V | 1 | PWM | SOT23-3 |
| SM4A15S | Linear | ±5% | 15MA | Inside | 40V | 1 | PWM | SOD-123 |
| SM4A15T | Linear | ±5% | 15.5mA | Inside | 40V | 1 | PWM | SOT23-3 |
| SM4A20S | Linear | ±5% | 20MA | Inside | 40V | 1 | PWM | SOD-123 |
| SM4A20T | Linear | ±5% | 20MA | Inside | 40V | 1 | PWM | SOT23-3 |
| SM4A25S | Linear | ±5% | 25MA | Inside | 40V | 1 | PWM | SOD-123 |
| SM4A25T | Linear | ±5% | 25mA | Inside | 40V | 1 | PWM | SOT23-3 |
| SM4A30S | Linear | ±5% | 30MA | Inside | 40V | 1 | PWM | SOD-123
|
