Overview
The LTM4637IY#PBF is a high-efficiency, 20A output DC/DC μModule (micromodule) step-down regulator produced by Analog Devices Inc. This module integrates all the necessary components, including the switching controller, power switches, inductors, and support components, into a single package. This design simplifies the development process and reduces the footprint of the power supply in various applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| VIN Input DC Voltage | 4.5 | 20 | V | ||
| VOUT Range | 0.6 | 5.5 | V | ||
| VOUT(DC) Output Voltage, Total Variation with Line and Load | VIN = 5V to 20V, IOUT = 0A to 20A | 1.477 | 1.50 | 1.523 | V |
| Operating Temperature Range | -40°C | 125°C | °C | ||
| Package Type | BGA | ||||
| Terminal Finish | SAC305 (RoHS) |
Key Features
- High Efficiency: The LTM4637IY#PBF offers high efficiency due to its switch-mode operation, making it suitable for power-intensive applications.
- Compact Design: The μModule package integrates all necessary components, reducing the overall footprint and simplifying board design.
- Wide Input and Output Range: Supports input voltages from 4.5V to 20V and output voltages from 0.6V to 5.5V.
- High Current Capability: Capable of delivering up to 20A of output current.
- Low AC-Impedance Input Requirement: Requires a low AC-impedance DC source, with additional input capacitors recommended for RMS input ripple current rating.
- Parallel Operation Capability: Multiple LTM4637 modules can be operated in parallel to achieve higher output currents.
Applications
- Industrial and Medical Equipment: Suitable for high-power applications in industrial and medical devices where compact and efficient power solutions are required.
- Telecommunications and Networking Equipment: Used in telecom and networking equipment to provide reliable and efficient power supply.
- Aerospace and Defense Systems: Applicable in aerospace and defense systems due to its high reliability and wide operating temperature range.
- Automotive Systems: Can be used in automotive systems requiring high current and efficient power supply solutions.
Q & A
- What is the maximum output current of the LTM4637IY#PBF?
The LTM4637IY#PBF can deliver up to 20A of output current.
- What is the input voltage range for the LTM4637IY#PBF?
The input voltage range is from 4.5V to 20V.
- What is the output voltage range for the LTM4637IY#PBF?
The output voltage range is from 0.6V to 5.5V.
- What type of package does the LTM4637IY#PBF come in?
The LTM4637IY#PBF comes in a BGA (Ball Grid Array) package.
- What is the operating temperature range for the LTM4637IY#PBF?
The operating temperature range is from -40°C to 125°C.
- Can multiple LTM4637 modules be operated in parallel?
Yes, multiple LTM4637 modules can be operated in parallel to achieve higher output currents.
- What type of input capacitors are recommended for the LTM4637IY#PBF?
Typically, 22µF X7R ceramics and a 47µF to 100µF surface mount aluminum electrolytic bulk capacitor are recommended.
- What is the terminal finish of the LTM4637IY#PBF?
The terminal finish is SAC305 (RoHS compliant).
- What are some common applications for the LTM4637IY#PBF?
Common applications include industrial and medical equipment, telecommunications and networking equipment, aerospace and defense systems, and automotive systems.
- How does the LTM4637IY#PBF achieve high efficiency?
The LTM4637IY#PBF achieves high efficiency through its switch-mode operation.
