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Stromversorgungsmodule (integrierter Induktor)

LMZ31704

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Abwärts-Stromversorgungsmodul, 2,95 bis 17 V, 4A, mit Stromsymmetrierung im QFN-Gehäuse 10 x 10 x 4,

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TPSM843620 AKTIV Synchron-SWIFT™-Abwärtswandler-Stromversorgungsmodul, 4- bis 18-V-Eingangsspannung, 6 A, erweiterter Higher efficiency, higher current (6A) module in a smaller solution size

LMZ31704

AKTIV
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Produktdetails

Rating Catalog Topology Buck, Synchronous Buck Iout (max) (A) 4 Vin (max) (V) 17 Vin (min) (V) 2.95 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Current Sharing, EMI Tested, Frequency synchronization, Light-load efficiency, 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) 200 Switching frequency (max) (kHz) 1200
Rating Catalog Topology Buck, Synchronous Buck Iout (max) (A) 4 Vin (max) (V) 17 Vin (min) (V) 2.95 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Current Sharing, EMI Tested, Frequency synchronization, Light-load efficiency, 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) 200 Switching frequency (max) (kHz) 1200
B3QFN (RVQ) 42 100 mm² 10 x 10
  • Complete integrated power solution allows
    small footprint, low-profile design
  • 10-mm × 10-mm × 4.3-mm package
    • Pin compatible with LMZ31710 and LMZ31707
  • Efficiencies up to 95%
  • Eco-mode™ / light load efficiency (LLE)
  • 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 voltages down to 2.95 V
  • Adjustable switching frequency
    (200 kHz to 1.2 MHz)
  • Synchronizes to an external clock
  • Provides 180° out-of-phase clock signal
  • Adjustable slow start
  • Output voltage sequencing / tracking
  • Power good output
  • Programmable undervoltage lockout (UVLO)
  • Overcurrent and overtemperature protection
  • Pre-bias output start-up
  • Operating temperature range: –40°C to 85°C
  • Enhanced thermal performance: 13.3°C/W
  • Meets EN55022 Class B emissions
    • Integrated shielded inductor
  • Create a custom design using the LMZ31704 with the WEBENCH® Power Designer
  • Complete integrated power solution allows
    small footprint, low-profile design
  • 10-mm × 10-mm × 4.3-mm package
    • Pin compatible with LMZ31710 and LMZ31707
  • Efficiencies up to 95%
  • Eco-mode™ / light load efficiency (LLE)
  • 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 voltages down to 2.95 V
  • Adjustable switching frequency
    (200 kHz to 1.2 MHz)
  • Synchronizes to an external clock
  • Provides 180° out-of-phase clock signal
  • Adjustable slow start
  • Output voltage sequencing / tracking
  • Power good output
  • Programmable undervoltage lockout (UVLO)
  • Overcurrent and overtemperature protection
  • Pre-bias output start-up
  • Operating temperature range: –40°C to 85°C
  • Enhanced thermal performance: 13.3°C/W
  • Meets EN55022 Class B emissions
    • Integrated shielded inductor
  • Create a custom design using the LMZ31704 with the WEBENCH® Power Designer

The LMZ31704 power module is an easy-to-use integrated power solution that combines a 4-A DC/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 10 × 10 × 4.3 mm QFN package is easy to solder onto a printed circuit board and allows a compact point-of-load design. Achieves greater than 95% efficiency and excellent power dissipation capability with a thermal impedance of 13.3°C/W. The LMZ31704 offers the flexibility and the feature-set of a discrete point-of-load design and is ideal for powering a wide range of ICs and systems. Advanced packaging technology affords a robust and reliable power solution compatible with standard QFN mounting and testing techniques.

The LMZ31704 power module is an easy-to-use integrated power solution that combines a 4-A DC/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 10 × 10 × 4.3 mm QFN package is easy to solder onto a printed circuit board and allows a compact point-of-load design. Achieves greater than 95% efficiency and excellent power dissipation capability with a thermal impedance of 13.3°C/W. The LMZ31704 offers the flexibility and the feature-set of a discrete point-of-load design and is ideal for powering a wide range of ICs and systems. Advanced packaging technology affords 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 Datum
* Data sheet LMZ31704 4-A Power Module with 2.95-V to 17-V Input and Current Sharing in QFN Package datasheet (Rev. E) PDF | HTML 25 Feb 2020
Application note Soldering Considerations for Power Modules (Rev. C) PDF | HTML 14 Mär 2024
Selection guide Innovative DC/DC Power Modules Selection Guide (Rev. D) 14 Okt 2021
Application note Soldering Requirements for BQFN Packages (Rev. C) 05 Mär 2020
Application note Practical Thermal Design With DC/DC Power Modules (Rev. A) 20 Nov 2019
Technical article FPGA power made simple: design steps PDF | HTML 20 Nov 2017
White paper Simplify low EMI design with power modules 20 Nov 2017
Application note Working With QFN Power Modules (Rev. A) 08 Jun 2017
Application note Power Module MSL Ratings 20 Jan 2017
Application note Using LMZ31710 for Higher Output Voltages 09 Nov 2015
Application note Adjusting LMZ3 Output Voltage with LM10010/1 11 Feb 2014
Application note LMZ31710, LMZ31707, LMZ31704 Parallel 02 Jul 2013
Application note Powering LMZ3 SIMPLE SWITCHER Power Modules From 3.3 V 02 Jul 2013

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

LMZ31704EVM-003 — LMZ31704 4-A-Abwärtsregler-Stromversorgungsmodul, 2,95 V bis 17 V Evaluerungsplatine

The Texas Instruments LMZ31704EVM-003 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LMZ31704 4A Power Module. The EVM operates with an input voltage range of 2.95V to 17V. The output voltage can be selected from four preset values using a jumper (0.6V, 0.9V, (...)
Benutzerhandbuch: PDF | HTML
Nicht verfügbar auf TI.com
Simulationsmodell

LMZ31704 PSpice Average Model

SLVM963.ZIP (29 KB) - PSpice Model
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Simulationsmodell

LMZ31704 PSpice Transient Model

SLVMA15.ZIP (145 KB) - PSpice Model
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Simulationsmodell

LMZ31704 Unencrypted PSpice Transient Model

SLVMAQ7.ZIP (7 KB) - PSpice Model
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Referenzdesigns

PMP10630 — Xilinx Kintex UltraScale XCKU040 FPGA-Stromversorgungslösung, 6 W, Referenzdesign

The PMP10630 reference design is a complete high density power solution for Xilinx® Kintex® UltraScale™ XCKU040 FPGA. This design uses an optimal combination of SIMPLE SWITCHER® modules and LDOs to provide all the necessary voltage rails in a small solution size of 36 x 43 mm (1.4 (...)
Test report: PDF
Schaltplan: PDF
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
B3QFN (RVQ) 42 Ultra Librarian
Es gelten die allgemeinen Geschäftsbedingungen von TI für Evaluierungsartikel.

Bestellen & Qualität

Beinhaltete Information:
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  • REACH
  • Bausteinkennzeichnung
  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
Beinhaltete Information:
  • Werksstandort
  • Montagestandort

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