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LM2773

ACTIVO

Regulador reductor de capacitor conmutado de espectro ensanchado de bajo perfil de 1.8 V/1.6 V

Detalles del producto

Rating Catalog Iout (max) (A) 0.3 Vin (max) (V) 5.5 Vin (min) (V) 2.5 Vout (max) (V) 1.8 Vout (min) (V) 1.6 Features Enable, Regulated Operating temperature range (°C) -30 to 85 Iq (typ) (A) 0.000048
Rating Catalog Iout (max) (A) 0.3 Vin (max) (V) 5.5 Vin (min) (V) 2.5 Vout (max) (V) 1.8 Vout (min) (V) 1.6 Features Enable, Regulated Operating temperature range (°C) -30 to 85 Iq (typ) (A) 0.000048
DSBGA (YZR) 9 3.0625 mm² (— mm × — mm)
  • Low-Noise Spread Spectrum Operation
  • 1.8V/1.6V Selectable Output Voltage
  • 2% Output Voltage Regulation
  • > 75% Efficiency in 1.8V Mode
  • Very Low Output Ripple: 10mV @ 300mA
  • Output Currents up to 300mA
  • 2.5V to 5.5V Input Voltage Range
  • Shutdown Disconnects Load from VIN
  • 1.15MHz Switching Frequency
  • No Inductors…Small Solution Size
  • Short Circuit and Thermal Protection
  • 0.5mm pitch, DSBGA-9 (1.511 × 1.511mm × 0.6mm)

All trademarks are the property of their respective owners.

  • Low-Noise Spread Spectrum Operation
  • 1.8V/1.6V Selectable Output Voltage
  • 2% Output Voltage Regulation
  • > 75% Efficiency in 1.8V Mode
  • Very Low Output Ripple: 10mV @ 300mA
  • Output Currents up to 300mA
  • 2.5V to 5.5V Input Voltage Range
  • Shutdown Disconnects Load from VIN
  • 1.15MHz Switching Frequency
  • No Inductors…Small Solution Size
  • Short Circuit and Thermal Protection
  • 0.5mm pitch, DSBGA-9 (1.511 × 1.511mm × 0.6mm)

All trademarks are the property of their respective owners.

The LM2773 is a switched capacitor step-down regulator that produces a selectable 1.8V or 1.6V output. It is capable of supplying loads up to 300mA. The LM2773 operates with an input voltage from 2.5V to 5.5V, accommodating 1-cell Li-Ion batteries and chargers.

The LM2773 utilizes a regulated charge pump with gains of 2/3x and 1x. It has very low ripple and noise on both the input and output due to its pre-regulated 1.15MHz (typ.) switching frequency and spread spectrum operation. When output currents are low, the LM2773 automatically switches to a low-ripple PFM regulation mode to maintain high efficiency over the entire load range.

The LM2773 is available in TI's 0.5mm pitch 9-bump DSBGA.

The LM2773 is a switched capacitor step-down regulator that produces a selectable 1.8V or 1.6V output. It is capable of supplying loads up to 300mA. The LM2773 operates with an input voltage from 2.5V to 5.5V, accommodating 1-cell Li-Ion batteries and chargers.

The LM2773 utilizes a regulated charge pump with gains of 2/3x and 1x. It has very low ripple and noise on both the input and output due to its pre-regulated 1.15MHz (typ.) switching frequency and spread spectrum operation. When output currents are low, the LM2773 automatically switches to a low-ripple PFM regulation mode to maintain high efficiency over the entire load range.

The LM2773 is available in TI's 0.5mm pitch 9-bump DSBGA.

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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos Low-Ripple 1.8V/1.6V Spread-Spectrum Switched Capacitor Step-Down Regulator datasheet (Rev. A) 1/05/2013
Guía de selección Power Management Guide 2018 (Rev. R) 25/06/2018
EVM User's guide AN-1769 LM2773 Evaluation Board (Rev. A) 30/04/2013

Diseño y desarrollo

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DSBGA (YZR) 9 Ultra Librarian

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