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Stromversorgungsmodule (integrierter Induktor)

LMZ31506

AKTIV

Abwärts-Stromversorgungsmodul, 4,5 bis 15 V, 6 A, im QFN-Gehäuse 9 x 15 x 2,8 mm

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Datenblatt

LMZ31506

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Rating Catalog Topology Buck, Synchronous Buck Iout (max) (A) 6 Vin (max) (V) 14.5 Vin (min) (V) 2.95 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Current Sharing, EMI Tested, Enable, Frequency synchronization, Power good, Remote Sense, Tracking Operating temperature range (°C) -40 to 85 Type Module Duty cycle (max) (%) 100 Control mode current mode Switching frequency (min) (kHz) 250 Switching frequency (max) (kHz) 780
Rating Catalog Topology Buck, Synchronous Buck Iout (max) (A) 6 Vin (max) (V) 14.5 Vin (min) (V) 2.95 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Current Sharing, EMI Tested, Enable, Frequency synchronization, Power good, Remote Sense, Tracking Operating temperature range (°C) -40 to 85 Type Module Duty cycle (max) (%) 100 Control mode current mode Switching frequency (min) (kHz) 250 Switching frequency (max) (kHz) 780
B1QFN (RUQ) 47 135 mm² (15 mm × 9 mm)
  • Complete Integrated Power Solution Allows
    Small Footprint, Low-Profile Design
  • 9-mm × 15-mm × 2.8-mm package
    - Pin Compatible with LMZ31503
  • Efficiencies Up To 96%
  • Wide-Output Voltage Adjust
    0.6 V to 5.5 V, with 1% Reference Accuracy
  • Supports Parallel Operation for Higher Current
  • Optional Split Power Rail Allows
    Input Voltage down to 1.6 V
  • Adjustable Switching Frequency
    (250 kHz to 780 kHz)
  • Synchronizes to an External Clock
  • Adjustable Slow-Start
  • Output Voltage Sequencing / Tracking
  • Power Good Output
  • Programmable Undervoltage Lockout (UVLO)
  • Output Overcurrent Protection (Hiccup Mode)
  • 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 LMZ31506 With the WEBENCH® Power Designer
  • Complete Integrated Power Solution Allows
    Small Footprint, Low-Profile Design
  • 9-mm × 15-mm × 2.8-mm package
    - Pin Compatible with LMZ31503
  • Efficiencies Up To 96%
  • Wide-Output Voltage Adjust
    0.6 V to 5.5 V, with 1% Reference Accuracy
  • Supports Parallel Operation for Higher Current
  • Optional Split Power Rail Allows
    Input Voltage down to 1.6 V
  • Adjustable Switching Frequency
    (250 kHz to 780 kHz)
  • Synchronizes to an External Clock
  • Adjustable Slow-Start
  • Output Voltage Sequencing / Tracking
  • Power Good Output
  • Programmable Undervoltage Lockout (UVLO)
  • Output Overcurrent Protection (Hiccup Mode)
  • 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 LMZ31506 With the WEBENCH® Power Designer

The LMZ31506 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 three 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 LMZ31506 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 LMZ31506 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 three 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 LMZ31506 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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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt LMZ31506 6-A Power Module, 2.95V-14.5V Input and Current Sharing datasheet (Rev. B) 11.04.2018
Anwendungshinweis Soldering Considerations for Power Modules (Rev. C) PDF | HTML 14.03.2024
Auswahlhilfe Innovative DC/DC Power Modules Selection Guide (Rev. D) 14.10.2021
Anwendungshinweis Soldering Requirements for BQFN Packages (Rev. C) 05.03.2020
Anwendungshinweis Working With QFN Power Modules (Rev. A) 08.06.2017
Anwendungshinweis Adjusting LMZ3 Output Voltage with LM10010/1 11.02.2014
Anwendungshinweis Powering LMZ3 SIMPLE SWITCHER Power Modules From 3.3 V 02.07.2013
Anwendungshinweis LMZ31506 Parallel Operation 02.07.2013

Design und Entwicklung

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Evaluierungsplatine

LMZ31506EVM-692 — LMZ31506 4,5 V bis 14,5 V, 6 A, Abwärts-Leistungsmodul – Evaluierungsplatine

The Texas Instruments LMZ31506EVM-692 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LMZ31506 6A power module. The output voltage can be selected from six preset values using a jumper (5V, 3.3V, 2.5V, 1.8V, 1.5V, 1.2V). Solder pads and jumpers are available to (...)
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Simulationsmodell

LMZ31506 PSpice Average Model

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LMZ31506 Unencrypted PSpice Average Model

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TPS84621 TINA-TI Transient Spice Model

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TPS84621 Unencrypted PSpice Transient Model Package (Rev. A)

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Referenzdesign

PMP10601 — Xilinx® Zynq® 7000 Serie (XC7Z015) Leistungslösung, 8 W – Referenzdesign

The PMP10601 reference design provides all the power supply rails necessary to power Xilinx® Zynq® 7000 series (XC7Z015)  FPGA.   This design uses several LMZ3 series modules, LDOs, and a DDR termination regulator to provide all the necessary rails to power the FPGA.  It also (...)

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