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

LM3676

ACTIVO

Convertidor CC-CC reductor de 600 mA y 2 MHz con control de modo

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TPS62860 ACTIVO Convertidor reductor de 1,75 V a 5,5 V, 0,6 A e IQ ultrabajo con interfaz I2C/VSEL Smaller solution size and low quiescent current with I2C/VSEL interface

LM3676

ACTIVO
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Detalles del producto

Rating Catalog Operating temperature range (°C) -30 to 85 Topology Buck Type Converter Iout (max) (A) 0.6 Vin (min) (V) 2.9 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 1600 Switching frequency (max) (kHz) 2600 Features Enable, Forced PWM, Light Load Efficiency, Light load efficiency, Synchronous Rectification Control mode Voltage mode Vout (min) (V) 1.1 Vout (max) (V) 3.3 Iq (typ) (µA) 16 Duty cycle (max) (%) 100
Rating Catalog Operating temperature range (°C) -30 to 85 Topology Buck Type Converter Iout (max) (A) 0.6 Vin (min) (V) 2.9 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 1600 Switching frequency (max) (kHz) 2600 Features Enable, Forced PWM, Light Load Efficiency, Light load efficiency, Synchronous Rectification Control mode Voltage mode Vout (min) (V) 1.1 Vout (max) (V) 3.3 Iq (typ) (µA) 16 Duty cycle (max) (%) 100
WSON (NGQ) 8 9 mm² 3 x 3
  • 16µA Typical Quiescent Current
  • 600mA Maximum Load Capability
  • 2MHz Typical PWM Fixed Switching Frequency
  • Automatic PFM/PWM Mode Switching or Forced PWM Mode
  • Available in Fixed Output Voltages and Adjustable Version
  • 8-Lead Non-Pullback WSON Package
  • Internal Synchronous Rectification for High Efficiency
  • Internal Soft Start
  • 0.01µA Typical Shutdown Current
  • Operates From a Single Li-Ion Cell Battery
  • Only Three Tiny Surface-Mount External Components Required (One Inductor, Two Ceramic Capacitors)
  • Current Overload and Thermal Shutdown Protection

All trademarks are the property of their respective owners.

  • 16µA Typical Quiescent Current
  • 600mA Maximum Load Capability
  • 2MHz Typical PWM Fixed Switching Frequency
  • Automatic PFM/PWM Mode Switching or Forced PWM Mode
  • Available in Fixed Output Voltages and Adjustable Version
  • 8-Lead Non-Pullback WSON Package
  • Internal Synchronous Rectification for High Efficiency
  • Internal Soft Start
  • 0.01µA Typical Shutdown Current
  • Operates From a Single Li-Ion Cell Battery
  • Only Three Tiny Surface-Mount External Components Required (One Inductor, Two Ceramic Capacitors)
  • Current Overload and Thermal Shutdown Protection

All trademarks are the property of their respective owners.

The LM3676 step-down DC-DC converter is optimized for powering low voltage circuits from a single Li-Ion cell battery and input voltage rails from 2.9V to 5.5V. It provides up to 600mA load current, over the entire input voltage range. There are several different fixed voltage output options available as well as an adjustable output voltage version.

The LM3676 has a mode-control pin that allows the user to select continuous Pulse Width Modulation (PWM) mode over the complete load range or an intelligent PFM-PWM mode that changes modes depending on the load. PWM mode offers superior efficiency under high load conditions (>100mA) and the lowest output noise performance. In Auto mode, PFM-PWM, hysteretic PFM extends the battery life through reduction of the quiescent current to 16µA (typ.) during light loads and system standby.

The LM3676 is available in a 8-lead non-pullback WSON package in leaded (PB) and lead-free (NO PB) versions. A high switching frequency of 2 MHz (typ) allows use of tiny surface-mount components, an inductor and two ceramic capacitors.

The LM3676 step-down DC-DC converter is optimized for powering low voltage circuits from a single Li-Ion cell battery and input voltage rails from 2.9V to 5.5V. It provides up to 600mA load current, over the entire input voltage range. There are several different fixed voltage output options available as well as an adjustable output voltage version.

The LM3676 has a mode-control pin that allows the user to select continuous Pulse Width Modulation (PWM) mode over the complete load range or an intelligent PFM-PWM mode that changes modes depending on the load. PWM mode offers superior efficiency under high load conditions (>100mA) and the lowest output noise performance. In Auto mode, PFM-PWM, hysteretic PFM extends the battery life through reduction of the quiescent current to 16µA (typ.) during light loads and system standby.

The LM3676 is available in a 8-lead non-pullback WSON package in leaded (PB) and lead-free (NO PB) versions. A high switching frequency of 2 MHz (typ) allows use of tiny surface-mount components, an inductor and two ceramic capacitors.
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Documentación técnica

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* Data sheet LM3676 2MHz, 600mA Step-Down DC-DC Converter with Mode Control datasheet (Rev. C) 02 may 2013
EVM User's guide AN-1536 LM3676 Evaluation Board (Rev. D) 30 abr 2013

Diseño y desarrollo

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  • 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
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  • Lugar de fabricación
  • Lugar de ensamblaje

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