Overview
The LTM4680EY#PBF, produced by Analog Devices Inc., is a highly advanced dual 30A or single 60A step-down µModule (power module) DC/DC regulator. This device features remote configurability and telemetry-monitoring of power management parameters via PMBus, an open standard I2C-based digital interface protocol. The LTM4680 integrates digitally programmable analog control loops, precision mixed-signal circuitry, EEPROM, power MOSFETs, inductors, and supporting components, making it a comprehensive solution for power system management.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Output Current (per channel) | - | - | 30A | - | A |
| Output Current (combined) | - | - | 60A | - | A |
| Input Voltage Range | - | 4.5V | - | 16V | V |
| Output Voltage Range | - | 0.5V | - | 3.3V | V |
| Operating Temperature Range | - | -40°C | - | 125°C | °C |
| Switching Frequency | - | - | 350kHz | - | kHz |
| Output Voltage Accuracy | - | - | ±1.5% | - | % |
| Output Current Readback Resolution | - | 10mA | - | - | mA |
Key Features
- Remote configurability and telemetry-monitoring of power management parameters via PMBus.
- Dual 30A or single 60A output configurations.
- Digitally programmable analog control loops and precision mixed-signal circuitry.
- EEPROM for custom configuration and storage.
- Cable drop compensation and current limit switches.
- Sequencing and margining capabilities with programmable slew rates and delay times.
- True input current sense, output currents and voltages, output power, temperatures, uptime, and peak values monitoring.
Applications
The LTM4680EY#PBF is suitable for a variety of applications requiring high current and precise power management, including:
- Data centers and cloud computing infrastructure.
- Telecommunications equipment.
- High-performance computing systems.
- Industrial control systems.
- Medical devices requiring high reliability and precision power supply.
Q & A
- What is the maximum output current of the LTM4680EY#PBF?
The maximum output current is 60A when configured as a single output, or 30A per channel when configured as dual outputs. - What is the operating temperature range of the LTM4680EY#PBF?
The operating temperature range is from -40°C to 125°C. - What interface does the LTM4680EY#PBF use for remote configurability and telemetry?
The device uses PMBus, an open standard I2C-based digital interface protocol. - Can the LTM4680EY#PBF be customized for specific applications?
Yes, the device includes EEPROM for custom configuration and storage of settings. - What are some key features of the LTM4680EY#PBF?
Key features include remote configurability, telemetry-monitoring, cable drop compensation, current limit switches, and sequencing and margining capabilities. - What is the typical switching frequency of the LTM4680EY#PBF?
The typical switching frequency is 350kHz. - How accurate is the output voltage of the LTM4680EY#PBF?
The output voltage accuracy is ±1.5%. - What types of applications is the LTM4680EY#PBF suitable for?
The device is suitable for data centers, telecommunications equipment, high-performance computing systems, industrial control systems, and medical devices. - Can the LTM4680EY#PBF monitor various power parameters?
Yes, it can monitor true input current, output currents and voltages, output power, temperatures, uptime, and peak values. - Is the LTM4680EY#PBF RoHS compliant?
Yes, the device is available in RoHS-compliant versions.
