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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 Operating temperature range (°C) -30 to 85 Type Charge pump Iout (max) (A) 0.3 Vin (min) (V) 2.5 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 1150 Switching frequency (max) (kHz) 1150 Features Enable, Regulated Vout (min) (V) 1.6 Vout (max) (V) 1.8 Iq (typ) (µA) 48
Rating Catalog Operating temperature range (°C) -30 to 85 Type Charge pump Iout (max) (A) 0.3 Vin (min) (V) 2.5 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 1150 Switching frequency (max) (kHz) 1150 Features Enable, Regulated Vout (min) (V) 1.6 Vout (max) (V) 1.8 Iq (typ) (µA) 48
DSBGA (YZR) 9 3.0625 mm² 1.75 x 1.75
  • 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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Tipo Título Fecha
* Data sheet Low-Ripple 1.8V/1.6V Spread-Spectrum Switched Capacitor Step-Down Regulator datasheet (Rev. A) 01 may 2013
Selection guide Power Management Guide 2018 (Rev. R) 25 jun 2018
EVM User's guide AN-1769 LM2773 Evaluation Board (Rev. A) 30 abr 2013

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.

Encapsulado Pines Símbolos CAD, huellas y modelos 3D
DSBGA (YZR) 9 Ultra Librarian

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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