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

LM5013

AKTIV

Nichtsynchroner-DC/DC-Abwärtswandler, 6-V- bis 100-V-Eingang, 3,5 A, mit extrem niedrigem Ruhestrom

Produktdetails

Rating Catalog Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 3.5 Vin (min) (V) 6 Vin (max) (V) 100 Switching frequency (max) (kHz) 1000 Features Enable, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, UVLO adjustable Control mode Constant on-time (COT) Vout (min) (V) 1.2 Vout (max) (V) 95 Iq (typ) (µA) 14 Duty cycle (max) (%) 97
Rating Catalog Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 3.5 Vin (min) (V) 6 Vin (max) (V) 100 Switching frequency (max) (kHz) 1000 Features Enable, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, UVLO adjustable Control mode Constant on-time (COT) Vout (min) (V) 1.2 Vout (max) (V) 95 Iq (typ) (µA) 14 Duty cycle (max) (%) 97
HSOIC (DDA) 8 29.4 mm² 4.9 x 6
  • Designed for reliable and rugged applications
  • Optimized for ultra-low EMI requirements
    • Meets CISPR 25 class 5 standard
  • Suited for scalable Industrial power supplies
    • Pin-to-pin compatible with the LM5163-Q1 and LM5164-Q1 (100 V, 0.5 A or 1 A), and LM5013-Q1 (100 V, 3.5 A)
    • 50-ns low minimum on times and off times
    • 10-µA no-load sleep current
    • 3.1-µA shutdown quiescent current
  • Integration reduces solution size and cost
    • COT mode control architecture
    • Integrated 100-V 0.25-Ω high-side power MOSFET
    • 1.2-V internal voltage reference
    • No loop compensation components
    • Internal VCC bias regulator and boot diode
  • Create a custom regulator design using WEBENCH Power Designer
  • Designed for reliable and rugged applications
  • Optimized for ultra-low EMI requirements
    • Meets CISPR 25 class 5 standard
  • Suited for scalable Industrial power supplies
    • Pin-to-pin compatible with the LM5163-Q1 and LM5164-Q1 (100 V, 0.5 A or 1 A), and LM5013-Q1 (100 V, 3.5 A)
    • 50-ns low minimum on times and off times
    • 10-µA no-load sleep current
    • 3.1-µA shutdown quiescent current
  • Integration reduces solution size and cost
    • COT mode control architecture
    • Integrated 100-V 0.25-Ω high-side power MOSFET
    • 1.2-V internal voltage reference
    • No loop compensation components
    • Internal VCC bias regulator and boot diode
  • Create a custom regulator design using WEBENCH Power Designer

The LM5013 non-synchronous buck converter is designed to regulate over a wide input voltage range, minimizing the need for external surge suppression components. A minimum controllable on time of 50 ns facilitates large step-down conversion ratios, enabling the direct step-down from a 48-V nominal input to low-voltage rails for reduced system complexity and solution cost. The LM5013 operates during input voltage dips as low as 6 V, at nearly 100% duty cycle if needed, making it an excellent choice for high-performance industrial applications.

With an integrated high-side power MOSFET, the LM5013 delivers up to 3.5 A of output current. A constant on-time (COT) control architecture provides nearly constant switching frequency with excellent load and line transient response. Additional features of the LM5013 include ultra-low IQ and a innovative peak overcurrent protection, integrated VCC bias supply and bootstrap diode, precision enable and input UVLO, and thermal shutdown protection with automatic recovery. An open-drain PGOOD indicator provides sequencing, fault reporting, and output voltage monitoring.

The LM5013 is available in a 8-pin SO PowerPAD™ integrated circuit package. The device 1.27-mm pin pitch provides adequate spacing for high-voltage applications.

The LM5013 non-synchronous buck converter is designed to regulate over a wide input voltage range, minimizing the need for external surge suppression components. A minimum controllable on time of 50 ns facilitates large step-down conversion ratios, enabling the direct step-down from a 48-V nominal input to low-voltage rails for reduced system complexity and solution cost. The LM5013 operates during input voltage dips as low as 6 V, at nearly 100% duty cycle if needed, making it an excellent choice for high-performance industrial applications.

With an integrated high-side power MOSFET, the LM5013 delivers up to 3.5 A of output current. A constant on-time (COT) control architecture provides nearly constant switching frequency with excellent load and line transient response. Additional features of the LM5013 include ultra-low IQ and a innovative peak overcurrent protection, integrated VCC bias supply and bootstrap diode, precision enable and input UVLO, and thermal shutdown protection with automatic recovery. An open-drain PGOOD indicator provides sequencing, fault reporting, and output voltage monitoring.

The LM5013 is available in a 8-pin SO PowerPAD™ integrated circuit package. The device 1.27-mm pin pitch provides adequate spacing for high-voltage applications.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet LM5013 100-V Input, 3.5-A Non-Synchronous Buck DC/DC Converter with Ultra-Low IQ datasheet PDF | HTML 12 Okt 2022
White paper Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) PDF | HTML 30 Apr 2024
Application note Optimizing Line and Load Regulation in Automotive, 48-V Battery and eBike Apps PDF | HTML 16 Mär 2023
Functional safety information LM5013 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 16 Sep 2022
Application note LM501x Thermals and Example PCB Design PDF | HTML 07 Apr 2022

Design und Entwicklung

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Evaluierungsplatine

LM5013-Q1EVM — 100 V-Eingang, 3,5 A, Nichtsynchron-Abwärts-DC/DC-Wandler-Auswertungsmodul

Das Evaluierungsmodul (EVM) LM5013-Q1EVM verfügt über einen 100-V-DC/DC-Abwärtsregler, der asynchrone Gleichrichtung verwendet und einen hohen Wandlungswirkungsgrad erreicht. Das EVM arbeitet über einen großen Eingangsspannungsbereich von 15 V bis 100 V und bietet einen geregelten 12-V-Ausgang bei (...)
Benutzerhandbuch: PDF | HTML
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
HSOIC (DDA) 8 Ultra Librarian

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