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MAXM17544

4.5 to 42V, 3.5A High-Efficiency, DC-DC Step-Down Power Module with Integrated Inductor

Highly Integrated DC-DC Power Module Enables Ease of Design and Small-Solution Footprint

Data Sheet

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Overview

Description

The Himalaya series of voltage regulator ICs and power modules enable cooler, smaller, and simpler power supply solutions. The MAXM17544 is an easy-to-use, step-down power module that combines a switching power supply controller, dual n-channel MOSFET power switches, fully shielded inductor, and the compensation components in a low-profile, thermally-efficient, system-in-package (SiP). The device operates over a wide input voltage range of 4.5V to 42V and delivers up to 3.5A continuous output current with excellent line and load regulation over an output voltage range of 0.9V to 12V. The device only requires five external components to complete the total power solution. The high level of integration significantly reduces design complexity, manufacturing risks, and offers a true plug-and-play power supply solution, reducing time-to-market.

The device can be operated in the pulse-width modulation (PWM), pulse-frequency modulation (PFM), or discontinuous conduction mode (DCM) control schemes.

The MAXM17544 is available in a low-profile, highly thermal-emissive, compact, 29-pin 9mm x 15mm x 2.8mm SiP package that reduces power dissipation in the package and enhances efficiency. The package is easily soldered onto a printed circuit board and suitable for automated circuit board assembly. The device can operate over the industrial temperature range from -40°C to +125°C.

MAXM17544: Typical Application Circuit

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Key Features

Reduces Design Complexity, Manufacturing Risks, and Time-to-Market
- Integrated Switching Power Supply Controller and Dual-MOSFET Power Switches
- Integrated Inductor
- Integrated Compensation Components
- Integrated Thermal-Fault Protection
- Integrated Peak Current Limit
Saves Board Space in Space-Constrained Applications
- Complete Integrated Step-Down Power Supply in a Single Package
- Small Profile 9mm x 15mm x 2.8mm SiP Package
- Simplified PCB Design with Minimal External BOM Components
Offers Flexibility for Power-Design Optimization
- Wide Input Voltage Range from 4.5V to 42V
- Output-Voltage Adjustable Range from 0.9V to 12V
- Adjustable Frequency with External Frequency Synchronization (100kHz to 1.8MHz)
- Soft-Start Programmable
- Autoswitch PWM, PFM, or DCM Current-Mode Control
- Optional Programmable EN/UVLO

Applications/Uses

Base Station Point-of-Load Regulator
Distributed Supply Regulation
FPGA and DSP Point-of-Load Regulator
HVAC and Building Control
Industrial Power Supplies

Parametric Specs

Part Number

V_IN
(V)

V_OUT1
(V)

Output Adjust. Method

I_OUT1
(A)

Switch Type

Synchronous Switching

Power Good Signal

DC-DC Outputs

Oper. Freq.
(kHz)

Design Tools

Package/Pins

Budgetary
Price

min

max

min

max

See Notes

MAXM17544

4.5

0.9

Resistor

3.5

Internal

Yes

2200

EE-Sim

LGA MODULE/32

$7.94 @1k

See All Step-Down Switching Regulators (367)

Pricing Notes:

This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Design Resources

MAXM17544EVKIT: Evaluation Kit for MAXM17544

Quality And Environmental

Device	Fab Process	Technology	Sample size	Rejects	FIT at 25°C	FIT at 55°C

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

Quality Management System >
Environmental Management System >

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