Analog Devices Inc. LTM4643超薄四通道μModule®稳压器
Linear Technology/Analog Devices LTM4643超薄四通道μModule®稳压器是四通道直流/直流降压电源模块，每路输出均可提供3A电流。输出可通过并联形成一个阵列，以实现高达12A的电流能力。LTM4643包含开关控制器、功率FET、电感器和所有支持组件。该稳压器在4V至20V输入电压范围或2.375V至20V（带外部偏置电源）工作。LTM4643支持0.6V至3.3V输出电压范围，均由单个外部电阻器来设定。该稳压器具有高效设计，每通道能够提供3A的连续输出电流。仅需要大容量的输入和输出电容器。
特性
- Quad output step-down μModule regulator with 3A per output
- 4V to 20V input voltage range
- 2.375V to 20V with external bias
- 0.6V to 3.3V output voltage
- 3A DC output current each channel
- ±1.5% total output voltage regulation
- Current mode control, fast transient response
- Parallelable for higher output current
- Internal temperature sensing diode output
- Output voltage tracking
- External frequency synchronization
- Overvoltage, current, and temperature protection
- 9mm × 15mm × 1.82mm LGA and 9mm × 15mm × 2.42mm BGA packages
应用
- FPGAs, GPUs, and ASICs
- PCIe and backside PCB mounting
Typical Application
LTM4643EV Demonstration Circuit
Analog Devices Inc. LTM4643EV Demonstration Circuit features the LTM®4643 µModule regulator. The demonstration circuit is the easiest way to evaluate the performance of the LTM4643. The LTM4643 is a high-performance high-efficiency 4-output step-down regulator. The LTM4643 demonstration circuit has an operating input voltage range of 4V to 20V and is able to provide up to 3A out output current from each of its phases. The LTM4643EV is a complete DC/DC point of load regulator housed in a thermally enhanced 15mm × 9mm × 1.82mm LGA package requiring only a few input and output capacitors.
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发布日期: 2017-04-26
| 更新日期: 2022-03-11