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

LMR23615-Q1

AKTIV

Synchroner SIMPLE SWITCHER®-Abwärtsregler (36 V, 1,5 A)

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Gleiche Funktionalität, andere Pinbelegung als verglichener Baustein
LM63615-Q1 AKTIV Abwärtsspannungswandler, 3,5 bis 36 V, 1,5 A, mit Spread-Spectrum Available in HTSSOP or WSON packaging

LMR23615-Q1

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Iout (max) (A) 1.5 Vin (min) (V) 4 Vin (max) (V) 36 Topology Buck Type Converter Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Pre-Bias Start-Up, Soft Start Fixed, Synchronous Rectification, UVLO adjustable, Wettable flanks package Control mode current mode Vout (min) (V) 1 Vout (max) (V) 28 Rating Automotive Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000075
Iout (max) (A) 1.5 Vin (min) (V) 4 Vin (max) (V) 36 Topology Buck Type Converter Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Pre-Bias Start-Up, Soft Start Fixed, Synchronous Rectification, UVLO adjustable, Wettable flanks package Control mode current mode Vout (min) (V) 1 Vout (max) (V) 28 Rating Automotive Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000075
WSON (DRR) 12 9 mm² 3 x 3
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C4A
  • 4-V to 36-V Input Range
  • 1.5-A Continuous Output Current
  • Integrated Synchronous Rectification
  • 60-ns Minimum Switch-On Time
  • Internal Compensation for Ease of Use
  • Adjustable Switching Frequency
  • PFM Mode at Light Load
  • Frequency Synchronization to External Clock
  • Soft Start into a Prebiased Load
  • High Duty-Cycle Operation Supported
  • Output Short-Circuit Protection With Hiccup Mode
  • 12-Pin WSON Wettable Flanks Package with PowerPAD™
  • Create a Custom Design Using the LMR23615-Q1 With the WEBENCH® Power Designer
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C4A
  • 4-V to 36-V Input Range
  • 1.5-A Continuous Output Current
  • Integrated Synchronous Rectification
  • 60-ns Minimum Switch-On Time
  • Internal Compensation for Ease of Use
  • Adjustable Switching Frequency
  • PFM Mode at Light Load
  • Frequency Synchronization to External Clock
  • Soft Start into a Prebiased Load
  • High Duty-Cycle Operation Supported
  • Output Short-Circuit Protection With Hiccup Mode
  • 12-Pin WSON Wettable Flanks Package with PowerPAD™
  • Create a Custom Design Using the LMR23615-Q1 With the WEBENCH® Power Designer

The LMR23615-Q1 SIMPLE SWITCHER® is an easy-to-use 36 V, 1.5 A synchronous step-down regulator. With a wide input range from 4 V to 36 V, the device is suitable for various applications from industrial to automotive for power conditioning from unregulated sources. Peak-current-mode control is employed to achieve simple control loop compensation and cycle-by-cycle current limiting. A quiescent current of 75 µA makes it suitable for battery-powered systems. An ultra-low 2-µA shutdown current can further prolong battery life. Internal loop compensation means that the user is free from the tedious task of loop compensation design. This also minimizes the external components.

An extended family is available in 2.5-A (LMR23625-Q1) and 3-A (LMR23630-Q1) load-current options in pin-to-pin compatible packages allowing simple, optimum PCB layout. A precision enable input allows simplification of regulator control and system power sequencing. Protection features include cycle-by-cycle current limit, hiccup-mode short-circuit protection, and thermal shutdown due to excessive power dissipation.

The LMR23615-Q1 SIMPLE SWITCHER® is an easy-to-use 36 V, 1.5 A synchronous step-down regulator. With a wide input range from 4 V to 36 V, the device is suitable for various applications from industrial to automotive for power conditioning from unregulated sources. Peak-current-mode control is employed to achieve simple control loop compensation and cycle-by-cycle current limiting. A quiescent current of 75 µA makes it suitable for battery-powered systems. An ultra-low 2-µA shutdown current can further prolong battery life. Internal loop compensation means that the user is free from the tedious task of loop compensation design. This also minimizes the external components.

An extended family is available in 2.5-A (LMR23625-Q1) and 3-A (LMR23630-Q1) load-current options in pin-to-pin compatible packages allowing simple, optimum PCB layout. A precision enable input allows simplification of regulator control and system power sequencing. Protection features include cycle-by-cycle current limit, hiccup-mode short-circuit protection, and thermal shutdown due to excessive power dissipation.

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Technische Dokumentation

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* Data sheet LMR23615-Q1 SIMPLE SWITCHER® 36-V, 1.5-A Synchronous Step-Down Converter datasheet PDF | HTML 02 Mär 2018

Design und Entwicklung

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Evaluierungsplatine

LMR23615EVM — Synchron-Abwärtswandler mit großem Vin – Evaluierungsmodul

The LMR23615EVM is a fully assembled and tested circuit for evaluating the LMR23615DRR step-down converter. The LMR23615EVM operates from 4V to 36V input (12V nominal) and provides a 5.0V/3.3V output at 1.5A. The board has jumper connectors to select output options, enable or disable the (...)
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