LT3477 LT3477EFE -- 3A, DC/DC Converter with Dual Rail-to-Rail Current Sense
Feature
■ Dual 100mV Rail-to-Rail Current Sense Amplifiers
■ Wide Input Voltage Range: 2.5V to 25V
■ 3A, 42V Internal Switch
■ High Efficiency Power Conversion: Up to 93%
■ Drives LEDs in Boost, Buck-Boost or Buck Mode
■ Frequency Set by External Resistor: 200kHz to 3.5MHz
■ Programmable Soft-Start
■ Low VCESAT Switch: 0.3V at 2.5A
■ Capable of Positive and Negative Output Voltages(Boost, Inverting, SEPIC, Flyback)
■ Available in Thermally Enhanced 20-Lead(4mm × 4mm) QFN and 20-Lead TSSOP Packages
| 恒流 |
是 |
| 恒压 |
是 |
| 拓扑 |
回扫，PWM，SEPIC，降压（降压），升压（升压） |
| 输出数 |
1 |
| 内部驱动器 |
是 |
| 类型 - 初级 |
通用 |
| 类型 - 次级 |
白色 LED |
| 频率 |
200kHz ~ 3.5MHz |
| 电压 - 电源 |
2.5 V ~ 25 V |
| 电压 - 输出 |
- |
| 安装类型 |
表面贴装 |
| 封装/外壳 |
20-TSSOP（0.173"，4.40mm 宽）裸焊盘 |
| 供应商器件封装 |
20-TSSOP-EP |
| 工作温度 |
-40°C ~ 85°C |
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