LTM4700IY#PBF - Dual 50A/100A µModule Regulator | Analog Devices
料号： LTM4700IY#PBF ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $89.5 | $89.50 |
| 10 | $82.3 | $823.00 |
| 100 | $74.1 | $7,410.00 |
| 500 | $66.9 | $33,450.00 |
| 1,000 | $59.7 | $59,700.00 |
LTM4700IY#PBF 概述
A µModule regulator is a complete power management solution in a single package, combining the DC/DC controller, power stage, inductors, and passives to minimize external components and design risk. It belongs to the hierarchy of power modules, which are part of the broader category of power management ICs. This integration reduces PCB area and simplifies layout, making it ideal for high-density applications.
Key features include dual 50A or single 100A output capability, PMBus digital interface for programming and monitoring, and a wide input voltage range of 4.5V to 16V. The module achieves high efficiency through synchronous step-down architecture and supports output voltage tracking and margining. It also includes fault protection, such as overcurrent and overtemperature shutdown, ensuring reliable operation.
Technically, the LTM4700 uses a constant-frequency current-mode control architecture, enabling stable operation with minimal external compensation. The PMBus interface allows real-time telemetry of output voltage, current, and temperature, as well as configuration of output voltage, sequencing, and fault thresholds. The module is available in the industrial temperature grade (I-grade), guaranteed over -40°C to 125°C internal operating temperature.
Typical applications include high-current FPGA, ASIC, and processor power supplies in networking, data center, and industrial equipment. Its digital power management capabilities make it suitable for systems requiring dynamic voltage scaling, power sequencing, and health monitoring. The module's high efficiency and compact footprint reduce thermal management challenges.
When designing with the LTM4700, ensure adequate input and output capacitance and proper thermal management, as the module can dissipate significant power at high currents. Use the LTpowerPlay GUI for configuration and monitoring via the PMBus interface.
直接替换替代料： LTM4700IY#PBF ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： LTM4700IY#PBF （相同外形与封装尺寸） ——差异在于 Output Type, Package, Output Voltage Range, Operating Temperature Range, RoHS Status.
快速对比工具——选择替代料号进行并排对比：
LTM4700IY
✅ 直接替换📋 参考替代料（不在目录中）
LTM4700EY#PBF
✅ 直接替换✓ 有现货
$46.9 / 个
查看数据手册 →LTM4700EY
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
LTC3882-1#PBF
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$8.1 / 个
查看数据手册 →LTC3882-2#PBF
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$8.1 / 个
查看数据手册 →LTM4700IY#PBF 最大额定值与电气特性
| 输出类型 | Dual (2 outputs) |
| 输出电压范围 | 0.5 V to 1.8 V (each output) |
| 最大输出电流 | 50 A per channel, 100 A single |
| 输入电压范围 | 4.5 V to 16 V |
| Control Architecture | Constant-frequency current-mode |
| Digital Interface | PMBus (I2C-based) |
| Telemetry Monitoring | Voltage, current, temperature |
| 工作温度范围 | -40°C to 125°C (internal) |
| 封装 | µModule BGA |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| 输出数量 | 2 |
| Isolation | Non-Isolated PoL Module |
LTM4700IY#PBF 引脚配置
| 引脚 A1 | VIN — Input supply voltage |
| 引脚 B1 | VOUT1 — Output 1 voltage |
| 引脚 C1 | VOUT2 — Output 2 voltage |
| 引脚 D1 | GND — Ground |
| 引脚 E1 | SDA — PMBus data line |
| 引脚 F1 | SCL — PMBus clock line |
| 引脚 G1 | FAULT0 — Fault output 0 |
| 引脚 H1 | FAULT1 — Fault output 1 |
典型应用
LTM4700IY#PBF 适用于 6 应用s: FPGA Power Supplies, ASIC Power Supplies, Data Center Servers, Telecom Equipment, Industrial Automation, Test and Measurement.
FPGA Power Supplies
The LTM4700IY#PBF provides high-current, low-voltage rails for FPGAs, supporting up to 100A with precise regulation. Its PMBus interface enables dynamic voltage scaling and sequencing, essential for modern FPGAs like Xilinx UltraScale+ or Intel Agilex. The module's high efficiency reduces thermal stress, and its compact µModule package saves board space. With 4.5V to 16V input, it can be powered from 12V intermediate bus, delivering 0.5V to 1.8V core voltages. Telemetry monitoring allows real-time health tracking, improving system reliability.
推荐
ASIC Power Supplies
ASICs in networking and data center equipment require high current at low voltages. The LTM4700IY#PBF delivers up to 100A with tight regulation, meeting ASIC core voltage requirements. Its PMBus interface allows fine-tuning of output voltage and monitoring of current and temperature, enabling efficient power management. The module's high efficiency reduces cooling requirements, and its integrated design minimizes external components, accelerating time-to-market. With a 4.5V to 16V input range, it adapts to various power architectures.
推荐
Data Center Servers
In data center servers, the LTM4700IY#PBF powers high-performance processors and memory, providing up to 100A with high efficiency. Its digital power management enables real-time telemetry, allowing data center operators to optimize power usage and improve reliability. The module's compact size supports high-density server designs, and its wide input range accommodates various power distribution architectures. PMBus compatibility ensures seamless integration with existing management systems.
推荐
Telecom Equipment
Telecom infrastructure requires reliable, high-current power supplies. The LTM4700IY#PBF operates from 4.5V to 16V, making it suitable for 12V or 15V telecom rails. It delivers up to 100A with excellent thermal performance, ensuring operation in harsh environments. The PMBus interface allows remote monitoring and control, essential for telecom network management. Its industrial temperature grade (-40°C to 125°C) ensures reliability in outdoor or uncontrolled environments.
推荐
Industrial Automation
Industrial automation systems often require high-current, low-voltage power for processors and FPGAs. The LTM4700IY#PBF provides up to 100A with precise regulation, supporting demanding industrial applications. Its wide input range (4.5V to 16V) allows operation from 12V or 24V industrial supplies. The module's rugged design and industrial temperature grade ensure reliable operation in factory environments. PMBus telemetry enables predictive maintenance and power optimization.
推荐
Test and Measurement
In test and measurement equipment, the LTM4700IY#PBF provides clean, stable power for high-speed ADCs, DACs, and FPGAs. Its low output noise and high PSRR ensure accurate measurements. The module's digital power management allows precise voltage margining and monitoring, essential for calibration and testing. With up to 100A capability, it can power multiple channels simultaneously. The compact µModule package saves space in benchtop instruments.
推荐
推荐产品汇总
工程参考数据： LTM4700IY#PBF ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | LTM4700IY | LTM4700EY#PBF | LTC3882-1#PBF |
|---|---|---|---|---|
| Package | µModule BGA | µModule BGA | µModule BGA | µModule BGA |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Output Current | 50A per channel, 100A single | 50A per channel, 100A single | 50A per channel, 100A single | 50A per channel, 100A single |
| Input Voltage Range | 4.5V to 16V | 4.5V to 16V | 4.5V to 16V | 4.5V to 16V |
| Output Voltage Range | 0.5V to 1.8V | 0.5V to 1.8V | 0.5V to 1.8V | 0.5V to 1.8V |
| Operating Temperature Range | -40°C to 125°C | -40°C to 125°C | 0°C to 125°C | -40°C to 125°C |
| Digital Interface | PMBus | PMBus | PMBus | PMBus |
| RoHS Compliant | Yes | Yes | Yes | Yes |
关键差异点
- Industrial temperature grade （对比 LTM4700EY#PBF)
- Lead-free (RoHS compliant) packaging （对比 LTM4700IY)
- Higher current capability than LTC3882 （对比 LTC3882-1#PBF)
设计说明
The LTM4700IY#PBF can dissipate significant power at high currents. For example, at 100A output and 1V output from 12V input, power loss is approximately 100W. Ensure adequate airflow or heatsinking. The µModule package has an exposed pad for thermal management; connect it to a large copper area on the PCB. Refer to the datasheet for thermal derating curves.
Place input and output capacitors close to the module pins to minimize parasitic inductance. Use multiple vias for high-current paths. Follow the layout guidelines in the datasheet, including proper grounding and decoupling. For PMBus signals, keep traces short and avoid noise sources.
Ensure the PMBus address is correctly configured via pin-strapping resistors. Do not exceed the maximum input voltage of 16V. Use the LTpowerPlay GUI to configure and monitor the module. Verify the output voltage sense connections to avoid errors due to trace resistance.
合规信息
RoHS compliant per #PBF suffix. Not AEC-Q100 qualified. Other compliance data not specified in provided sources.
