Analog Devices Inc. LTM4642直流/直流μModule®稳压器
Linear Technology/Analog Devices LTM4642直流/直流μModule®稳压器是完整的双通道4A或单通道8A降压型微型模块，集成了开关控制器、功率FET、电感器和所有支持元件。LTM4642可在4.5V至20V输入电压范围内工作（采用外部CPWR偏置时的最小值为2.375V）。该稳压器支持两个电压范围为0.6V至5.5V的输出，通过单个外部电阻器来设定。LTM4642提供高效率设计，可为每个输出提供4A的连续电流（峰值为5A）。
特性
- Small form factor dual 4A power supply
- 4.5V to 20V (2.375V min with CPWR bias) input voltage range
- Dual 180° Out-of-Phase outputs with 4A DC
- Dual outputs with 0.6V to 5.5V range
- Output voltage tracking
- ±1.5% maximum total DC output voltage error
- Up to 95% maximum efficiency
- Phase-lockable fixed frequency 600kHz to 1.4MHz
- Constant on-time, valley current-mode architecture
- Parallel current sharing
- Selectable Burst Mode® operation
- Output overvoltage and overcurrent protection
- 9mm × 11.25mm × 4.92mm BGA package
应用
- Telecom and networking equipment
- Servers
- FPGA power
Typical Application
发布日期: 2017-04-26
| 更新日期: 2022-03-11