Overview
The LTM4686IV-1#PBF, produced by Analog Devices Inc., is a highly advanced ultrathin dual 10A or single 20A μModule (micromodule) DC/DC regulator. This component integrates fast analog control loops, precision mixed-signal circuitry, EEPROM, power MOSFETs, inductors, and other supporting components. It features a 2-wire serial interface for remote configurability and telemetry monitoring over PMBus, an open standard I2C-based digital interface protocol. The regulator boasts a quick turn-on time of 39ms and supports voltage margining, sequencing, and telemetry readback of various power management parameters such as currents, voltages, power, temperature, uptime, and peak values.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Output Current (Dual) | - | 10A | - | 12A (Peak) | A |
| Output Current (Single) | - | 20A | - | 24A (Peak) | A |
| Turn-on Time | VIN Established for at Least 39ms | - | 39ms | - | ms |
| Operating Temperature Range | - | -40°C | - | 125°C | °C |
| Input Voltage Range | - | - | - | - | V |
| Output Voltage Range | - | 0.5V | - | 3.6V | V |
| Switching Frequency | - | - | 500kHz | - | kHz |
| Temperature Readback Resolution | - | 0.0625°C | - | - | °C |
Key Features
- Ultrathin design suitable for space-constrained applications.
- Digital Power System Management via PMBus interface for remote configurability and telemetry monitoring.
- Fast analog control loops and precision mixed-signal circuitry.
- EEPROM for storing configuration settings.
- Power MOSFETs and inductors integrated within the module.
- Voltage margining and sequencing capabilities.
- Telemetry readback of currents, voltages, power, temperature, uptime, and peak values.
- Cable drop compensation and current limit switches.
- High-side switches and MOSFET drivers.
Applications
The LTM4686IV-1#PBF is versatile and can be used in a variety of applications, including:
- High-density data centers and cloud computing infrastructure.
- Telecommunications and networking equipment.
- Industrial control systems and automation.
- Medical devices requiring high reliability and precision power management.
- High-performance computing and storage systems.
Q & A
- What is the output current capability of the LTM4686IV-1#PBF? The LTM4686IV-1#PBF can deliver up to 10A per channel in dual mode or up to 20A in single mode, with peak currents of 12A and 24A respectively.
- What is the turn-on time of the LTM4686IV-1#PBF? The turn-on time is 39ms after the input voltage has been established.
- What is the operating temperature range of the LTM4686IV-1#PBF? The operating temperature range is from -40°C to 125°C.
- What interface does the LTM4686IV-1#PBF use for digital power system management? It uses the PMBus interface, an open standard I2C-based digital interface protocol.
- What are some of the telemetry parameters that can be monitored with the LTM4686IV-1#PBF? Parameters include currents, voltages, power, temperature, uptime, and peak values.
- Does the LTM4686IV-1#PBF support voltage margining and sequencing? Yes, it supports voltage margining and sequencing through its 2-wire serial interface.
- What is the switching frequency of the LTM4686IV-1#PBF? The switching frequency is 500kHz.
- What is the resolution of the temperature readback feature? The temperature readback resolution is 0.0625°C.
- What types of applications is the LTM4686IV-1#PBF suitable for? It is suitable for high-density data centers, telecommunications, industrial control systems, medical devices, and high-performance computing.
- Does the LTM4686IV-1#PBF have integrated power MOSFETs and inductors? Yes, it has integrated power MOSFETs and inductors within the module.
