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LMR36500

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Platzsparender synchroner Abwärtswandler, 3–65 V, 50 mA, mit 6 μA Ruhestrom

Produktdetails

Rating Catalog Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 0.005 Vin (min) (V) 3 Vin (max) (V) 65 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Features Enable, Forced PWM, Light Load Efficiency, Soft Start Fixed, Spread Spectrum Vout (min) (V) 1 Vout (max) (V) 16 Iq (typ) (A) 0.000004
Rating Catalog Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 0.005 Vin (min) (V) 3 Vin (max) (V) 65 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Features Enable, Forced PWM, Light Load Efficiency, Soft Start Fixed, Spread Spectrum Vout (min) (V) 1 Vout (max) (V) 16 Iq (typ) (A) 0.000004
VQFN-HR (RPE) 9 4 mm² 2 x 2
  • Functional Safety-Capable
  • Designed for rugged industrial applications:
    • Junction temperature range –40°C to +150°C
    • Input transient capability up to 70 V
    • Wide input voltage range: 3.0 V (falling threshold) to 65 V
    • Minimized switch node ringing to reduce EMI
    • Adjustable and fixed output 3.3-V and 5-V voltage options available
  • Designed for scalable industrial power supplies:
    • Pin compatible with LMR36503 (65 V, 300 mA) and LMR36506 (65 V, 600 mA)
    • Adjustable switching frequency: 200 kHz to 2.2 MHz with RT pin variant
  • Minimized design size and cost:
    • Ultra-small, 2-mm × 2-mm HotRod™ package
  • High efficiency across load range with low power dissipation:
    • Greater than 80% peak efficiency at 1 MHz (3.3-V V OUT)
  • Functional Safety-Capable
  • Designed for rugged industrial applications:
    • Junction temperature range –40°C to +150°C
    • Input transient capability up to 70 V
    • Wide input voltage range: 3.0 V (falling threshold) to 65 V
    • Minimized switch node ringing to reduce EMI
    • Adjustable and fixed output 3.3-V and 5-V voltage options available
  • Designed for scalable industrial power supplies:
    • Pin compatible with LMR36503 (65 V, 300 mA) and LMR36506 (65 V, 600 mA)
    • Adjustable switching frequency: 200 kHz to 2.2 MHz with RT pin variant
  • Minimized design size and cost:
    • Ultra-small, 2-mm × 2-mm HotRod™ package
  • High efficiency across load range with low power dissipation:
    • Greater than 80% peak efficiency at 1 MHz (3.3-V V OUT)

The LMR36500 is the industry smallest 65-V, 50-mA synchronous step-down DC/DC converter in 4-mm 2 HotRod package. This easy-to-use converter can handle input voltage transients up to 70 V, provide excellent EMI performance and supports fixed, 3.3 V, 5 V and other adjustable output voltages.

The LMR36500 uses a peak current mode control architecture with internal compensation to maintain stable operation with minimal output capacitance. The LMR36500 with the right resistor selection from the RT pin to ground can be externally programmed to any desired switching frequency of operation over a wide range from 200 kHz to 2.2 MHz. The precision EN/UVLO feature allows precise control of the device during start-up and shutdown. The PGOOD flag, with built-in glitch filter and delayed release, offers a true indication of the system status, eliminating the requirement for an external voltage supervisor. The compact design size and rich feature set of LMR36500 simplifies implementation for a wide range of industrial applications.

The LMR36500 is the industry smallest 65-V, 50-mA synchronous step-down DC/DC converter in 4-mm 2 HotRod package. This easy-to-use converter can handle input voltage transients up to 70 V, provide excellent EMI performance and supports fixed, 3.3 V, 5 V and other adjustable output voltages.

The LMR36500 uses a peak current mode control architecture with internal compensation to maintain stable operation with minimal output capacitance. The LMR36500 with the right resistor selection from the RT pin to ground can be externally programmed to any desired switching frequency of operation over a wide range from 200 kHz to 2.2 MHz. The precision EN/UVLO feature allows precise control of the device during start-up and shutdown. The PGOOD flag, with built-in glitch filter and delayed release, offers a true indication of the system status, eliminating the requirement for an external voltage supervisor. The compact design size and rich feature set of LMR36500 simplifies implementation for a wide range of industrial applications.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet LMR365003-V to 65-V,50-mA Wide VINSynchronous Buck Converter Optimized for Size and Light Load Efficiency datasheet PDF | HTML 15 Nov 2023
EVM User's guide LMR36500 Evaluation Module User's Guide PDF | HTML 03 Nov 2023
Functional safety information LMR36500 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 03 Nov 2023
Certificate LMR36500EVM EU Declaration of Conformity (DoC) 02 Okt 2023
Application note Step-Dwn (Buck) Convrtr Pwer Solutions for Programmable Logic Controller Systems (Rev. A) PDF | HTML 26 Jul 2021
Application brief Powering Drones With a Wide VIN DC-DC Converter (Rev. A) 05 Feb 2019
Analog Design Journal Accurately measuring efficiency of ultralow-IQ devices 22 Jan 2014

Design und Entwicklung

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

Evaluierungsplatine

LMR36500EVM — LMR36500-Evaluierungsmodul für 65-V, synchronen 50-mA-Abwärtswandler

Das LMR36500EVM unterstützt Entwickler bei der Evaluierung des Betriebs und der Leistung des Abwärtswandlers LMR36500 mit Weitbereichseingang. Der LMR36500 ist ein einfach anwendbarer synchroner DC/DC-Abwärtswandler, der bis zu 50 mA Laststrom bei einer Eingangsspannung von bis zu 65 V antreiben (...)
Benutzerhandbuch: PDF | HTML
Berechnungstool

LMR36500-DESIGN-CALC LMR36500 Component Calculator

LMR36500 Component Calculator
Unterstützte Produkte und Hardware

Unterstützte Produkte und Hardware

Produkte
AC/DC- und DC/DC-Wandler (integrierter FET)
LMR36500 Platzsparender synchroner Abwärtswandler, 3–65 V, 50 mA, mit 6 μA Ruhestrom
Designtool

LMR36500EVM Design Files

SNVR532.ZIP (2943 KB)
Gehäuse Pins Herunterladen
VQFN-HR (RPE) 9 Optionen anzeigen

Bestellen & Qualität

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