Startseite Energiemanagement AC/DC- und DC/DC-Wandler (integrierter FET)
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AC/DC- und DC/DC-Wandler (integrierter FET)

LM60430-Q1

AKTIV

Synchroner Wandler mit 36 V und 3 A in einem QFN-Gehäuse mit benetzbaren Flanken und externem Pad fü

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Selbe Funktionalität wie der verglichene Baustein bei abweichender Anschlussbelegung
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LMR33630AP-Q1 AKTIV Synchroner Abwärtsspannungswandler, 3,8 bis 36 V, 3 A, für die Automobilindustrie Higher output voltage range

LM60430-Q1

AKTIV
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Produktdetails

Rating Automotive Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 3.8 Vin (max) (V) 36 Switching frequency (min) (kHz) 340 Switching frequency (max) (kHz) 460 Features Enable, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, Synchronous Rectification, UVLO adjustable, Wettable flanks package Control mode current mode Vout (min) (V) 1 Vout (max) (V) 24 Iq (typ) (µA) 24 Duty cycle (max) (%) 98
Rating Automotive Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 3.8 Vin (max) (V) 36 Switching frequency (min) (kHz) 340 Switching frequency (max) (kHz) 460 Features Enable, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, Synchronous Rectification, UVLO adjustable, Wettable flanks package Control mode current mode Vout (min) (V) 1 Vout (max) (V) 24 Iq (typ) (µA) 24 Duty cycle (max) (%) 98
WQFN-FCRLF (RPK) 13 6 mm² 3 x 2
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Capable
    • Documentation available to aid functional safety system design
  • Low EMI and switching noise
    • Meets CISPR25 class 5 standard
    • Enhanced QFN package minimizes parasitic inductance and switch node ringing
  • Configured for automotive applications
    • Standard QFN footprint: single large thermal pad and all pins accessible from perimeter
    • Pin compatible variants:
    • Junction temperature range –40°C to +150°C
    • ±1.5% total output regulation accuracy
    • Frequency: 400 kHz
    • Output voltage range: 1 V to 24 V
  • High efficiency power conversion at all loads
    • Peak efficiency > 95%
    • 90% PFM efficiency at 10-mA, 12 VIN, 5 VOUT
    • Low operating quiescent current of 25 µA
  • Create a custom design using the LM60440-Q1 with the WEBENCH® Power Designer
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Capable
    • Documentation available to aid functional safety system design
  • Low EMI and switching noise
    • Meets CISPR25 class 5 standard
    • Enhanced QFN package minimizes parasitic inductance and switch node ringing
  • Configured for automotive applications
    • Standard QFN footprint: single large thermal pad and all pins accessible from perimeter
    • Pin compatible variants:
    • Junction temperature range –40°C to +150°C
    • ±1.5% total output regulation accuracy
    • Frequency: 400 kHz
    • Output voltage range: 1 V to 24 V
  • High efficiency power conversion at all loads
    • Peak efficiency > 95%
    • 90% PFM efficiency at 10-mA, 12 VIN, 5 VOUT
    • Low operating quiescent current of 25 µA
  • Create a custom design using the LM60440-Q1 with the WEBENCH® Power Designer

The LM604x0-Q1 automotive-qualified regulator is an easy-to-use, synchronous, step-down DC/DC converter that delivers best-in-class efficiency for automotive applications. The LM60430-Q1 drives up to 3-A of load current, and the LM60440-Q1 is industry’s smallest 4A step-down converter.

The LM604x0-Q1 is available in an ultra-miniature WQFN package with wettable flanks and a standard QFN pin-out with a thermal pad to enhance thermal performance. This enhanced QFN package features extremely small parasitic inductance and resistance, enabling very high efficiency while minimizing switch node ringing and dramatically reducing EMI.

The LM604x0-Q1 uses peak-current-mode control to automatically fold back frequency at light load to ensure exceptional efficiency across the entire load range. The low power dissipation paired with a thermally optimized QFN package enables a power dense solution size. In addition the device requires few external components and has a pinout designed for simple PCB layout. The small solution size and feature set of the LM604x0-Q1 are designed to simplify implementation for a wide range of end equipment.

The LM604x0-Q1 automotive-qualified regulator is an easy-to-use, synchronous, step-down DC/DC converter that delivers best-in-class efficiency for automotive applications. The LM60430-Q1 drives up to 3-A of load current, and the LM60440-Q1 is industry’s smallest 4A step-down converter.

The LM604x0-Q1 is available in an ultra-miniature WQFN package with wettable flanks and a standard QFN pin-out with a thermal pad to enhance thermal performance. This enhanced QFN package features extremely small parasitic inductance and resistance, enabling very high efficiency while minimizing switch node ringing and dramatically reducing EMI.

The LM604x0-Q1 uses peak-current-mode control to automatically fold back frequency at light load to ensure exceptional efficiency across the entire load range. The low power dissipation paired with a thermally optimized QFN package enables a power dense solution size. In addition the device requires few external components and has a pinout designed for simple PCB layout. The small solution size and feature set of the LM604x0-Q1 are designed to simplify implementation for a wide range of end equipment.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet LM604x0-Q1 3.8-V to 36-V, 3-A, and 4-A Ultra-Small Synchronous Step-Down Converter datasheet (Rev. A) PDF | HTML 17 Jun 2020
Application note Enhanced HotRod QFN Package: Industry-Best Size with Low EMI (Rev. A) PDF | HTML 17 Aug 2021
Functional safety information LM604x0-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 01 Okt 2020
EVM User's guide LM60440AQEVM User's Guide 08 Okt 2019

Design und Entwicklung

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Evaluierungsplatine

LM60440AQEVM — Evaluierungsmodul für synchronen Abwärtswandler, 36 V, 4 A, 2 x 3 mm

The LM60440AQEVM evaluation module (EVM) helps designers evaluate the operation and performance of the LM60440-Q1 wide-input buck regulator. The LM60440-Q1 is an easy-to-use synchronous step-down DC/DC converter capable of driving up to 4 A of load current from an input voltage of up to 36 V. The (...)
Benutzerhandbuch: PDF
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Simulationsmodell

LM60430A-Q1 PSpice Unencrypted Transient Model

SNVMBY7.ZIP (159 KB) - PSpice Model
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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
WQFN-FCRLF (RPK) 13 Ultra Librarian
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  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
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