产品描述:
SM4A 是输出电流可调、高性价比的单通道LED恒流驱动芯片。具有宽电压范围输入、低阈值电压开启特点,解决因电源电压衰减造成的LED灯带亮度不一致问题。
特性 输入电源电压:2~40Vdc 输出电流 REXT悬空,IOUT=20mA REXT外接电阻,IOUT=20~120mA可调 OUT端口耐压:40V 输出电流精度:±5% 恒流拐点电压低 输出电流负温度特性 支持PWM调光 线路简单、应用灵活,成本低
封装形式:SOT23-5、SOT23-3、SOT89-3 SOD-123
IC Name | Topology | IOUT Precision | IOUT.MAX | HV_MOSFET | BVDSS | Channel | Dimming mode | Package |
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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
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