LTM4622

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LTM4622

+BOM

ADI

  • ManufacturerAnalog Devices

  • Mfr. Part #LTM4622

  • In Stock20150

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Specifications

Attribute Value
StandardPackQty 1

Overview

Description

The LTM4622 is a dual step-down µModule regulator designed by Analog Devices, ideal for powering low-voltage digital devices such as processors, FPGAs, and ASICs. It integrates switching regulators, inductors, and supporting components in a compact 15mm x 15mm x 4.32mm BGA package. Each channel can deliver up to 2.5A output current, and the device operates from an input voltage range of 4.5V to 14V.
Key features include high efficiency, with up to 97%, and a fast transient response due to its advanced current mode control architecture. The LTM4622 also supports frequency synchronization, output voltage tracking, and margining. It offers protection features like overcurrent, overvoltage, and thermal shutdown to enhance reliability. The module is suitable for a wide array of applications, such as telecommunications, networking, and industrial equipment, where board space and design simplicity are critical. Its easy-to-use design allows for quick time-to-market, providing a robust power solution with minimal external components.

Equivalent

The LTM4622 is a dual 2.5A step-down µModule regulator. Equivalent products include:
1. TI TPS82130 - A MicroSiP DC-DC step-down power module.
2. Maxim MAXM17532 - An integrated step-down DC-DC power module.
3. Murata MYMGC2R53RELR - A compact DC-DC power module.
4. RECOM RPMH-2.5 series - A highly efficient DC-DC power module.
These alternatives offer similar functionalities, though specifications may vary. Always verify compatibility with your specific application.

Features

The LTM4622 is a dual-output step-down µModule® regulator. Key features include:
1. Dual Output Channels: Supports two independent outputs with a wide input voltage range from 4.5V to 20V.
2. Output Voltage Range: Each channel can deliver an output voltage adjustable from 0.6V to 5.5V.
3. Compact Size: Packaged in a small, low-profile 15mm x 15mm x 4.32mm BGA package, enabling space-efficient designs.
4. High Efficiency: Delivers high efficiency for various load currents, optimizing power usage.
5. Fast Transient Response: Capable of handling fast transient load conditions effectively.
6. Integrated Inductors: Incorporates onboard inductors, reducing the need for external components and simplifying design.
7. Current Sharing: Allows current sharing when outputs are paralleled, increasing output current capacity.
8. Protection Features: Includes overcurrent protection, thermal shutdown, and output overvoltage protection for reliable operation.
9. Soft-start Function: Adjustable soft-start reduces inrush current during startup.
10. Power Good Indicator: Provides a power good output signal for each channel.
This array of features makes the LTM4622 suitable for a wide range of applications requiring efficient and compact power delivery solutions.

Pinout

The LTM4622 is a dual-output step-down μModule regulator. It is housed in a compact package and features a high-efficiency, high-density design. The LTM4622 comes in a 22-pin LGA (Land Grid Array) package. Here is a brief overview of its pin functions:
1. VIN: Input supply voltage.
2. VOUT1/VOUT2: Output voltages for channel 1 and channel 2.
3. GND: Ground pins.
4. FB1/FB2: Feedback input for channel 1 and channel 2.
5. COMP1/COMP2: Compensation for channel 1 and channel 2.
6. RUN1/RUN2: Enable pins for channel 1 and channel 2.
7. TRACK/SS1, TRACK/SS2: Tracking and soft-start control for each channel.
8. MODE_PLLIN: Mode selection and phase-locked loop (PLL) input.
9. SYNC: Synchronization input.
10. PGOOD1/PGOOD2: Power good indicators for each channel.
These pins provide various functionalities like input, output, control, and feedback necessary for the operation of the dual-output regulator.

Manufacturer

The LTM4622 is manufactured by Analog Devices, Inc., a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. The company provides a broad range of products for applications in industrial, automotive, consumer, communications, and healthcare markets. Analog Devices is known for its innovative solutions in power management, data conversion, signal processing, and other areas, making it a key player in the semiconductor industry.

Application

The LTM4622 is a dual-output step-down µModule regulator designed for efficient power management. Its compact design and high efficiency make it ideal for space-constrained applications. Key application areas include telecommunications, networking, and industrial equipment, where it powers FPGAs, ASICs, and microprocessors. It's also suitable for use in medical devices, avionics, and automotive systems, where reliability and compactness are crucial. The LTM4622's ability to deliver precise voltage regulation with minimal external components and its wide input voltage range further enhance its suitability for diverse applications requiring stable and efficient power supply solutions.

Package

The LTM4622 is a dual 2.5A step-down µModule (micro-module) regulator available in a compact 15mm x 9mm x 1.82mm Ball Grid Array (BGA) package.