Analog Devices Inc. LTM4644/LTM4644-1四通道直流/直流μModule稳压器
Linear Technology/Analog Devices LTM4644/LTM4644-1四通道直流/直流μModule稳压器具有可配置4A输出阵列，可在4V至14V或2.375V至14V（采用一个外部偏置电源）的输入电压范围内工作。这些稳压器支持0.6V至5.5V的输出电压范围。LTM4644/LTM4644-1可并联形成一个阵列，以提供高达16A的电流能力。高效率的设计使每个通道能够提供4A连续（5A 峰值）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 4A per output
- 4V to 14V input voltage range
- 2.375V to 14V with external bias
- 0.6V to 5.5V output voltage
- 4A DC, 5A peak output current each channel
- Up to 5.5W power dissipation (TA = +60°C, 200 LFM, no heat sink)
- ±1.5% total output voltage regulation
- Current mode control, fast transient response
- Place in parallel for higher output current
- Output voltage tracking
- Internal temperature sensing diode output
- External frequency synchronization
- Overvoltage, current, and temperature protection
- 9mm × 15mm × 5.01mm BGA package
应用
- Multi-rail point-of-load regulation
- FPGAs, DSPs, and ASICs
Typical Application
发布日期: 2017-05-16
| 更新日期: 2025-01-29