LMZ31506H

Name: LMZ31506H
Brand: TI
SKU: LMZ31506H
Price: 5.5 USD

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6A Power Module with 4.5V-14.5V Input in QFN package

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Data sheet

document-pdfAcrobat LMZ31506H 6-A Power Module With 4.5V-14.5V Input datasheet (Rev. B)

LMZ31506H

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Data sheet

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Product details

Iout (max) (A)

6

Vin (max) (V)

14.5

Iout (max) (A)

6

Vin (max) (V)

14.5

B1QFN (RUQ)

47

135 mm² 15 x 9

Complete Integrated Power Solution Allows
Small Footprint, Low-Profile Design
9-mm × 15-mm × 2.8-mm package
Efficiencies Up To 96%
Wide-Output Voltage Adjust
1.2 V to 5.5 V, with 1% Reference Accuracy
Optional Split Power Rail allows
Input Voltage Down to 1.7 V
Adjustable Switching Frequency
(480 kHz to 780 kHz)
Synchronizes to an External Clock
Adjustable Slow-Start
Output Voltage Sequencing and Tracking
Power Good Output
Programmable Undervoltage Lockout (UVLO)
Output Overcurrent Protection
Over Temperature Protection
Pre-bias Output Start-up
Operating Temperature Range: –40°C to +85°C
Enhanced Thermal Performance: 13°C/W
Meets EN55022 Class B Emissions
- Integrated Shielded Inductor
Create a Custom Design Using the LMZ31506H With the WEBENCH^® Power Designer

Complete Integrated Power Solution Allows
Small Footprint, Low-Profile Design
9-mm × 15-mm × 2.8-mm package
Efficiencies Up To 96%
Wide-Output Voltage Adjust
1.2 V to 5.5 V, with 1% Reference Accuracy
Optional Split Power Rail allows
Input Voltage Down to 1.7 V
Adjustable Switching Frequency
(480 kHz to 780 kHz)
Synchronizes to an External Clock
Adjustable Slow-Start
Output Voltage Sequencing and Tracking
Power Good Output
Programmable Undervoltage Lockout (UVLO)
Output Overcurrent Protection
Over Temperature Protection
Pre-bias Output Start-up
Operating Temperature Range: –40°C to +85°C
Enhanced Thermal Performance: 13°C/W
Meets EN55022 Class B Emissions
- Integrated Shielded Inductor
Create a Custom Design Using the LMZ31506H With the WEBENCH^® Power Designer

The LMZ31506H power module is an easy-to-use integrated power solution that combines a 6-A DC-to-DC converter with power MOSFETs, a shielded inductor, and passives into a low profile, QFN package. This total power solution allows as few as 3 external components and eliminates the loop compensation and magnetics part selection process.

The 9×15×2.8 mm QFN package is easy to solder onto a printed circuit board and allows a compact point-of-load design with greater than 90% efficiency and excellent power dissipation with a thermal impedance of 13°C/W junction to ambient. The device delivers the full 6-A rated output current at 85°C ambient temperature without airflow.

The LMZ31506H offers the flexibility and the feature-set of a discrete point-of-load design and is ideal for powering performance DSPs and FPGAs. Advanced packaging technology afford a robust and reliable power solution compatible with standard QFN mounting and testing techniques.

The LMZ31506H power module is an easy-to-use integrated power solution that combines a 6-A DC-to-DC converter with power MOSFETs, a shielded inductor, and passives into a low profile, QFN package. This total power solution allows as few as 3 external components and eliminates the loop compensation and magnetics part selection process.

The 9×15×2.8 mm QFN package is easy to solder onto a printed circuit board and allows a compact point-of-load design with greater than 90% efficiency and excellent power dissipation with a thermal impedance of 13°C/W junction to ambient. The device delivers the full 6-A rated output current at 85°C ambient temperature without airflow.

The LMZ31506H offers the flexibility and the feature-set of a discrete point-of-load design and is ideal for powering performance DSPs and FPGAs. Advanced packaging technology afford a robust and reliable power solution compatible with standard QFN mounting and testing techniques.

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Technical documentation

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	Type	Title	Date
*	Data sheet	LMZ31506H 6-A Power Module With 4.5V-14.5V Input datasheet (Rev. B)	11 Apr 2018
	Selection guide	Innovative DC/DC Power Modules Selection Guide (Rev. D)	14 Oct 2021
	Application note	Soldering Requirements for BQFN Packages (Rev. C)	05 Mar 2020
	Application note	Working With QFN Power Modules (Rev. A)	08 Jun 2017
	Application note	Adjusting LMZ3 Output Voltage with LM10010/1	11 Feb 2014
	Application note	Powering LMZ3 SIMPLE SWITCHER Power Modules From 3.3 V	02 Jul 2013
	EVM User's guide	Using the LMZ31506EVM, LMZ31503EVM, LMZ31506HEVM	02 Jul 2013
	Application note	AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A)	23 Apr 2013
	Application note	Understanding and Applying Current-Mode Control Theory	19 Aug 2007
	More literature	SEM1600 Topic 4: Constructing Your Power Supply – Layout Considerations	12 Jul 2005
	Application note	AN-643 EMI/RFI Board Design (Rev. B)	03 May 2004

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

LMZ31506HEVM-692 — SIMPLE SWITCHER® 6A Synchronous Buck Power Module Evaluation Board

The Texas Instruments LMZ31506HEVM-692 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LMZ31506H 6A SIMPLE SWITCHER® power module. The EVM incorporates a DC/DC converter with output voltage (5V, 3.3V, 2.5V, 1.8V, 1.5V, 1.2V) and frequency (480 kHz to 780 kHz) (...)

User guide: PDF