Startseite Energiemanagement AC/DC & DC/DC converters (integrated FET)
Startseite
Energiemanagement
AC/DC & DC/DC converters (integrated FET)

LM25184

AKTIV

No-Opto-Flyback-Wandler, 42 V Eingangsspannung, mit integriertem MOSFET, 65 V, 4,1 A

Jetzt bestellen
Datenblatt

LM25184

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Iout (max) (A) 4.1 Vin (min) (V) 4.5 Vin (max) (V) 42 Topology PSR flyback Switching frequency (min) (kHz) 12 Switching frequency (max) (kHz) 350 Features Enable, External bias input, Integrated Switch, Pre-bias soft start, UVLO adjustable Control mode Peak current mode Rating Catalog Operating temperature range (°C) -40 to 150
Iout (max) (A) 4.1 Vin (min) (V) 4.5 Vin (max) (V) 42 Topology PSR flyback Switching frequency (min) (kHz) 12 Switching frequency (max) (kHz) 350 Features Enable, External bias input, Integrated Switch, Pre-bias soft start, UVLO adjustable Control mode Peak current mode Rating Catalog Operating temperature range (°C) -40 to 150
WSON (NGU) 8 16 mm² 4 x 4
  • Functional Safety-Capable
  • Designed for reliable and rugged applications
    • Wide input voltage range of 4.5 V to 42 V with operation down to 3.5 V after start-up
    • Robust solution with only one component crossing the isolation barrier
    • ±1.5% total output regulation accuracy
    • Optional VOUT temperature compensation
    • –40°C to +150°C junction temperature range
  • Integration reduces solution size and cost
    • Integrated 65-V, 0.11-Ω power MOSFET
    • No optocoupler or transformer auxiliary winding required for VOUT regulation
    • Internal loop compensation
  • High-efficiency PSR flyback operation
    • Quasi-resonant MOSFET turnoff in BCM
    • External bias option for improved efficiency
    • Single- and multi-output implementations
  • Ultra-low conducted and radiated EMI signatures
    • Soft switching avoids diode reverse recovery
    • Optimized for CISPR 32 EMI requirements
  • Create a custom flyback regulator design using WEBENCH Power Designer
  • Functional Safety-Capable
  • Designed for reliable and rugged applications
    • Wide input voltage range of 4.5 V to 42 V with operation down to 3.5 V after start-up
    • Robust solution with only one component crossing the isolation barrier
    • ±1.5% total output regulation accuracy
    • Optional VOUT temperature compensation
    • –40°C to +150°C junction temperature range
  • Integration reduces solution size and cost
    • Integrated 65-V, 0.11-Ω power MOSFET
    • No optocoupler or transformer auxiliary winding required for VOUT regulation
    • Internal loop compensation
  • High-efficiency PSR flyback operation
    • Quasi-resonant MOSFET turnoff in BCM
    • External bias option for improved efficiency
    • Single- and multi-output implementations
  • Ultra-low conducted and radiated EMI signatures
    • Soft switching avoids diode reverse recovery
    • Optimized for CISPR 32 EMI requirements
  • Create a custom flyback regulator design using WEBENCH Power Designer

The LM25184 is a primary-side regulated (PSR) flyback converter with high efficiency over a wide input voltage range of 4.5 V to 42 V. The isolated output voltage is sampled from the primary-side flyback voltage. The high level of integration results in a simple, reliable, and high-density design with only one component crossing the isolation barrier. Boundary conduction mode (BCM) switching enables a compact magnetic solution and better than ±1.5% load and line regulation performance. An integrated 65-V power MOSFET provides output power up to 15 W with enhanced headroom for line transients.

The LM25184 simplifies the implementation of isolated DC/DC supplies with optional features to optimize performance for the target end equipment. The output voltage is set by one resistor, while an optional resistor improves output voltage accuracy by negating the thermal coefficient of the flyback diode voltage drop. Additional features include an internally-fixed or externally-programmable soft-start, precision enable input with hysteresis for adjustable line UVLO, hiccup-mode overload protection, and thermal shutdown protection with automatic recovery.

The LM25184 flyback converter is available in a 8-pin, 4-mm × 4-mm, thermally-enhanced WSON package with 0.8-mm pin pitch.

The LM25184 is a primary-side regulated (PSR) flyback converter with high efficiency over a wide input voltage range of 4.5 V to 42 V. The isolated output voltage is sampled from the primary-side flyback voltage. The high level of integration results in a simple, reliable, and high-density design with only one component crossing the isolation barrier. Boundary conduction mode (BCM) switching enables a compact magnetic solution and better than ±1.5% load and line regulation performance. An integrated 65-V power MOSFET provides output power up to 15 W with enhanced headroom for line transients.

The LM25184 simplifies the implementation of isolated DC/DC supplies with optional features to optimize performance for the target end equipment. The output voltage is set by one resistor, while an optional resistor improves output voltage accuracy by negating the thermal coefficient of the flyback diode voltage drop. Additional features include an internally-fixed or externally-programmable soft-start, precision enable input with hysteresis for adjustable line UVLO, hiccup-mode overload protection, and thermal shutdown protection with automatic recovery.

The LM25184 flyback converter is available in a 8-pin, 4-mm × 4-mm, thermally-enhanced WSON package with 0.8-mm pin pitch.
open-in-new Andere AC/DC & DC/DC converters (integrated FET) suchen
Herunterladen Video mit Transkript ansehen Video

Ähnliche Produkte, die für Sie interessant sein könnten

open-in-new Alternativen vergleichen
Gleiche Funktionalität, gleiche Pinbelegung wie verglichener Baustein
LM25180 AKTIV No-Opto-Flyback-Wandler, 42 V Eingangsspannung, mit integriertem MOSFET, 65 V, 1,5 A Pin-to-pin with lower current

Technische Dokumentation

star =Von TI ausgewählte Top-Empfehlungen für dieses Produkt
Keine Ergebnisse gefunden. Bitte geben Sie einen anderen Begriff ein und versuchen Sie es erneut.
Alle anzeigen 14
Typ Titel Datum
* Data sheet LM25184 42-VIN PSR Flyback DC/DC Converter with 65-V, 4.1-A Power MOSFET datasheet (Rev. A) PDF | HTML 17 Aug 2020
Technical article Mitigating CMTI on a PSR flyback for SiC-based traction inverter designs PDF | HTML 05 Jan 2024
Analog Design Journal Why use PSR‐flyback isolated converters in dual‐battery mHEV systems (Rev. A) PDF | HTML 25 Mai 2023
Analog Design Journal Selecting output caps to optimize ripple and stability in PSR flyback converters (Rev. B) PDF | HTML 04 Mai 2023
Product overview Isolated Power Topologies for PLC I/O Modules and Other Low-Power Applications PDF | HTML 09 Nov 2022
Application note LM5181 Bipolar + and - 18 V Output Design for Signal Chains in PLC Applications PDF | HTML 29 Okt 2021
Technical article Meeting the power demands of evolving robot system architectures PDF | HTML 13 Okt 2021
Functional safety information LM2518x, LM2518x-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and P PDF | HTML 26 Aug 2020
Technical article How to raise regulation performance with a stacked-output PSR flyback DC/DC conver PDF | HTML 02 Jun 2020
Analog Design Journal How an auxless PSR-flyback converter can increase PLC reliability and density 30 Sep 2019
EVM User's guide LM25184-Q1 Single-output EVM User's Guide 19 Jul 2019
White paper An overview of radiated EMI specifications for power supplies 05 Jun 2018
White paper An overview of conducted EMI specifications for power supplies 01 Feb 2018
Application brief PSR Flyback DC/DC Converter Transformer Design for mHEV Applications 13 Nov 2017

Design und Entwicklung

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

Evaluierungsplatine

LM25184EVM-S12 — Evaluierungsmodul für PSR-Flyback-Wandler mit einem Ausgang und 42 VIN und 1 AOUT

The LM25184EVM-S12 evaluation module (EVM) is designed to showcase the performance of the LM25184-Q1 PSR flyback converter with wide input voltage range. The design is packaged in a miniature footprint with low component count. It operates over a wide input voltage range of 6 V to 42 V to deliver (...)
Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
Simulationsmodell

LM25184-Q1 PSpice Transient Model

SNVMC00.ZIP (130 KB) - PSpice Model
Herunterladen
Berechnungstool

LM25183-LM25184DESIGN-CALC — LM25183 and LM25184 Quickstart Design Tool

Welcome to the LM25183 and LM25184 quickstart design tool. This standalone tool facilitates and assists the power-supply engineer with the design of a DC/DC flyback regulator based on the LM25183 and LM25184 PSR flyback converter. As such, the user can expeditiously arrive at an optimized design (...)
Unterstützte Produkte und Hardware

Unterstützte Produkte und Hardware

Produkte
AC/DC & DC/DC converters (integrated FET)
LM25180-Q1 — PSR-Flyback-Wandler für die Automobilindustrie, 42 VIN mit integriertem Leistungs-MOSFET, 65 V, 1 LM25183 — No-Opto-Flyback-Wandler, 42 V Eingangsspannung, mit integriertem MOSFET, 65 V, 2,5 A LM25183-Q1 — No-Opto-Flyback-Wandler für die Automobilindustrie, 42 V Eingangsspannung, mit integriertem MOSFET, LM25184 — No-Opto-Flyback-Wandler, 42 V Eingangsspannung, mit integriertem MOSFET, 65 V, 4,1 A LM25184-Q1 — No-Opto-Flyback-Wandler für die Automobilindustrie, 42 V Eingangsspannung, mit integriertem MOSFET,
Hardware-Entwicklung
Evaluierungsplatine
LM25184EVM-S12 — Evaluierungsmodul für PSR-Flyback-Wandler mit einem Ausgang und 42 VIN und 1 AOUT
Software
Berechnungstool
LM25183-LM25184DESIGN-CALC — LM25183 und LM25184 PSR Flyback-Quickstart-Design-Tool
Herunterladen
Leiterplatten-Layout

LM25184EVM-S12 PCB Layout Files

SNVR476.ZIP (1452 KB)
Herunterladen
Gehäuse Pins Herunterladen
WSON (NGU) 8 Optionen anzeigen
Es gelten die allgemeinen Geschäftsbedingungen von TI für Evaluierungsartikel.

Bestellen & Qualität

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

Support und Schulungen

TI E2E™-Foren mit technischem Support von TI-Ingenieuren

Alle Forenthemen auf Englisch anzeigen

Inhalte werden ohne Gewähr von TI und der Community bereitgestellt. Sie stellen keine Spezifikationen von TI dar. Siehe Nutzungsbedingungen.

Bei Fragen zu den Themen Qualität, Gehäuse oder Bestellung von TI-Produkten siehe TI-Support. ​​​​​​​​​​​​​​

Videos