Inicio Gestión de la energía Convertidores de CA/CC y CC/CC (FET integrado)
Inicio
Gestión de la energía
Convertidores de CA/CC y CC/CC (FET integrado)

LMR23625

ACTIVO

Convertidor reductor síncrono SIMPLE SWITCHER® de 36 V 2,5 A

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LMR23625

ACTIVO
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Detalles del producto

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 2.5 Vin (min) (V) 4.5 Vin (max) (V) 36 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Synchronous Rectification, UVLO adjustable, Wettable flanks package Control mode current mode Vout (min) (V) 1 Vout (max) (V) 30 Iq (typ) (µA) 75 Duty cycle (max) (%) 97
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 2.5 Vin (min) (V) 4.5 Vin (max) (V) 36 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Synchronous Rectification, UVLO adjustable, Wettable flanks package Control mode current mode Vout (min) (V) 1 Vout (max) (V) 30 Iq (typ) (µA) 75 Duty cycle (max) (%) 97
HSOIC (DDA) 8 29.4 mm² 4.9 x 6 WSON (DRR) 12 9 mm² 3 x 3
  • 4-V to 36-V input range
  • 2.5-A continuous output current
  • Integrated synchronous rectification
  • Current mode control
  • Minimum switch ON time: 60 ns
  • 2.1-MHz switching frequency with PFM and forced-PWM-mode options (HSOIC)
  • 2.1-MHz switching frequency with forced-PWM mode only (WSON)
  • Frequency synchronization to external clock
  • Internal compensation for ease of use
  • 75-µA quiescent current at no load
  • Soft start into a prebiased load
  • High duty-cycle operation supported
  • Precision enable input
  • Output short-circuit protection with hiccup mode
  • Thermal protection
  • 8-Pin HSOIC with PowerPAD™ package
  • 12-Pin WSON wettable flanks package with PowerPAD™
  • Use the LMZM33603 module for faster time to market
  • Create a custom design using the LMR23625 with the WEBENCH Power Designer
  • 4-V to 36-V input range
  • 2.5-A continuous output current
  • Integrated synchronous rectification
  • Current mode control
  • Minimum switch ON time: 60 ns
  • 2.1-MHz switching frequency with PFM and forced-PWM-mode options (HSOIC)
  • 2.1-MHz switching frequency with forced-PWM mode only (WSON)
  • Frequency synchronization to external clock
  • Internal compensation for ease of use
  • 75-µA quiescent current at no load
  • Soft start into a prebiased load
  • High duty-cycle operation supported
  • Precision enable input
  • Output short-circuit protection with hiccup mode
  • Thermal protection
  • 8-Pin HSOIC with PowerPAD™ package
  • 12-Pin WSON wettable flanks package with PowerPAD™
  • Use the LMZM33603 module for faster time to market
  • Create a custom design using the LMR23625 with the WEBENCH Power Designer

The LMR23625 SIMPLE SWITCHER is an easy-to-use 36-V, 2.5-A synchronous step-down regulator. With a wide input range from 4 V to 36 V, the device is suitable for various industrial application 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. The device has an option for fixed-frequency FPWM mode to achieve small output-voltage ripple at light load. An extended family for HSOIC is available in 1-A (LMR23610) and 3-A (LMR23630) load current options in pin-to-pin compatible packages which allows 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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The LMR23625 SIMPLE SWITCHER is an easy-to-use 36-V, 2.5-A synchronous step-down regulator. With a wide input range from 4 V to 36 V, the device is suitable for various industrial application 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. The device has an option for fixed-frequency FPWM mode to achieve small output-voltage ripple at light load. An extended family for HSOIC is available in 1-A (LMR23610) and 3-A (LMR23630) load current options in pin-to-pin compatible packages which allows 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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Documentación técnica

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* Data sheet LMR23625 SIMPLE SWITCHER 36-V, 2.5-A Synchronous Step-Down Converter datasheet (Rev. E) PDF | HTML 01 jul 2020
White paper Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) PDF | HTML 30 abr 2024
Selection guide Buck Converter Quick Reference Guide (Rev. B) 08 abr 2021
EVM User's guide LMR23625CFPDRREVM User’s Guide 25 may 2017
EVM User's guide LMR23625C EVM User's Guide (Rev. A) 06 jul 2016

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

LMR23625CEVM — Módulo de evaluación del convertidor reductor síncrono LMR23625C Wide Vin

The LMR23625CEVM is a fully assembled and tested circuit for evaluating the LMR23625CDDAR Step-Down Converter. The LMR23625CEVM operates from 4.5V to 36V input (12V nominal) and provides a 5.0V/3.3V output at 2.5A. The board has jumper connectors to select output options, enable or disable the (...)
Guía del usuario: PDF
No disponible en TI.com
Placa de evaluación

LMR23625CFPEVM — Módulo de evaluación del convertidor reductor síncrono LMR23625CFPDDR Wide Vin

The LMR23625CFPEVM is a fully assembled and tested circuit for evaluating the LMR23625CFPDRR step-down converter. The LMR23625CFPEVM operates from 4V to 36V input (12V nominal) and provides a 5.0V/3.3V output at 2.5A. The board has jumper connectors to select output options, enable or disable (...)
Guía del usuario: PDF
No disponible en TI.com
Modelo de simulación

LMR23625C Non-Inverting and Inverting PSpice Transient Model

SNVMAU2.ZIP (888 KB) - PSpice Model
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Modelo de simulación

LMR23625C Unencrypted Non-Inverting and Inverting PSpice Transient Model

SNVMAU3.ZIP (6 KB) - PSpice Model
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Modelo de simulación

LMR23625CF Non-Inverting and Inverting PSpice Transient Model

SNVMAU9.ZIP (190 KB) - PSpice Model
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Modelo de simulación

LMR23625CF Unencrypted Non-Inverting and Inverting PSpice Transient Model

SNVMAU8.ZIP (7 KB) - PSpice Model
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Modelo de simulación

LMR23625CFP Non-Inverting and Inverting PSpice Transient Model

SNVMBE2.ZIP (217 KB) - PSpice Model
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Modelo de simulación

LMR23625CFP Unencrypted Non-Inverting and Inverting PSpice Transient Model

SNVMBE3.ZIP (7 KB) - PSpice Model
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Diseños de referencia

PMP40040 — Diseño de referencia de cargador de auto USB con convertidor reductor de 2 MHz, compensación de cabl

The PMP40040 reference design is a single channel USB charger for automotive applications. It includes a high switching frequency buck converter which can minimize the size of power components and reduce the system's cost. It includes built-in short-to-battery protection, IEC ESD protection (...)
Test report: PDF
Esquema: PDF
Diseños de referencia

PMP11757 — Diseño de referencia de la solución de alimentación de pasarela para sector automotriz

The PMP11757 reference design is a complete power solution for an automotive gateway and provides four different output voltages (3.3V @ 1.6A, 5.0V @ 250mA, 2.5V @ 140mA, 1.0V @ 110mA).
Test report: PDF
Esquema: PDF
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
HSOIC (DDA) 8 Ultra Librarian
WSON (DRR) 12 Ultra Librarian
Se aplican los Términos y condiciones estándar de TI para los elementos de evaluación.

Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

Soporte y capacitación

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