Inicio Gestión de la energía AC/DC & DC/DC converters (integrated FET)
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Gestión de la energía
AC/DC & DC/DC converters (integrated FET)

TPS60403

ACTIVO

Inversor de tensión de bomba de carga de 60 mA con funcionamiento fijo de 250 kHz

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TPS60403

ACTIVO
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Detalles del producto

Iout (max) (A) 0.06 Vin (min) (V) 1.6 Vin (max) (V) 5.25 Type Charge pump Switching frequency (min) (kHz) 150 Switching frequency (max) (kHz) 400 Features Light Load Efficiency Mode, Synchronous Rectification Vout (min) (V) -5.25 Vout (max) (V) -1.6 Rating Catalog Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.0004
Iout (max) (A) 0.06 Vin (min) (V) 1.6 Vin (max) (V) 5.25 Type Charge pump Switching frequency (min) (kHz) 150 Switching frequency (max) (kHz) 400 Features Light Load Efficiency Mode, Synchronous Rectification Vout (min) (V) -5.25 Vout (max) (V) -1.6 Rating Catalog Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.0004
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8
  • Inverts Input Supply Voltage
  • Up to 60-mA Output Current
  • Only Three Small 1-µF Ceramic Capacitors Needed
  • Input Voltage Range From 1.6 V to 5.5 V
  • PowerSave-Mode for Improved Efficiency at Low-Output Currents (TPS60400)
  • Device Quiescent Current Typical 65 µA
  • Integrated Active Schottky-Diode for Start-up Into Load
  • Small 5-Pin SOT-23 Package
  • Evaluation Module Available TPS60400EVM-178
  • Inverts Input Supply Voltage
  • Up to 60-mA Output Current
  • Only Three Small 1-µF Ceramic Capacitors Needed
  • Input Voltage Range From 1.6 V to 5.5 V
  • PowerSave-Mode for Improved Efficiency at Low-Output Currents (TPS60400)
  • Device Quiescent Current Typical 65 µA
  • Integrated Active Schottky-Diode for Start-up Into Load
  • Small 5-Pin SOT-23 Package
  • Evaluation Module Available TPS60400EVM-178

The TPS6040x family of devices generates an unregulated negative output voltage from an input voltage ranging from 1.6 V to 5.5 V. The devices are typically supplied by a preregulated supply rail of 5 V or 3.3 V. Due to its wide input voltage range, two or three NiCd, NiMH, or alkaline battery cells, as well as one Li-Ion cell can also power them.

Only three external 1-µF capacitors are required to build a complete DC-DC charge pump inverter. Assembled in a 5-pin SOT-23 package, the complete converter can be built on a 50-mm2 board area. Additional board area and component count reduction is achieved by replacing the Schottky diode that is typically needed for start-up into load by integrated circuitry.

The TPS6040x can deliver a maximum output current of 60 mA with a typical conversion efficiency of greater than 90% over a wide output current range. Three device options with 20-kHz, 50-kHz, and 250-kHz fixed-frequency operation are available. TPS60400 comes with a variable switching frequency to reduce operating current in applications with a wide load range and enables the design with low-value capacitors.

The TPS6040x family of devices generates an unregulated negative output voltage from an input voltage ranging from 1.6 V to 5.5 V. The devices are typically supplied by a preregulated supply rail of 5 V or 3.3 V. Due to its wide input voltage range, two or three NiCd, NiMH, or alkaline battery cells, as well as one Li-Ion cell can also power them.

Only three external 1-µF capacitors are required to build a complete DC-DC charge pump inverter. Assembled in a 5-pin SOT-23 package, the complete converter can be built on a 50-mm2 board area. Additional board area and component count reduction is achieved by replacing the Schottky diode that is typically needed for start-up into load by integrated circuitry.

The TPS6040x can deliver a maximum output current of 60 mA with a typical conversion efficiency of greater than 90% over a wide output current range. Three device options with 20-kHz, 50-kHz, and 250-kHz fixed-frequency operation are available. TPS60400 comes with a variable switching frequency to reduce operating current in applications with a wide load range and enables the design with low-value capacitors.
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Documentación técnica

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Tipo Título Fecha
* Data sheet TPS6040x Unregulated 60-mA Charge Pump Voltage Inverter datasheet (Rev. C) PDF | HTML 10 nov 2020
Application note Quick Reference Guide To TI Buck Switching DC/DC Application Notes (Rev. B) PDF | HTML 23 may 2022
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 dic 2018
Selection guide Power Management Guide 2018 (Rev. R) 25 jun 2018
Application note Extending the Soft Start Time Without a Soft Start Pin (Rev. B) 15 jun 2017
Analog Design Journal Design considerations for a resistive feedback divider in a DC/DC converter 26 abr 2012
EVM User's guide TPS60400EVM-178 for Evaluating TPS6040x Charge Pump Devices 07 ago 2001

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

TPS60400EVM-178 — módulo de evaluación para inversor de bomba de carga (PCB desnuda)

Need for use: The EVM does not contain any components. The pcb therefore first has to be populated with the appropriate components. A description of different applications that can be tested using the EVM can be found in the TPS60400EVM users guide. Samples of the TPS6040x family can be (...)

Guía del usuario: PDF
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Lista de materiales (BOM)

Xilinx MGT Rocket I/O Power Supply

SLVR350.PDF (241 KB)
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Archivo Gerber

TPS6040xVM Gerber Files

SLVC142.ZIP (261 KB)
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This reference design demonstrates how to implement a single-ended-to-differential input path, which can be AC-coupled or DC-coupled for an ADC3422. It also explains how to design a high-input impedance, DC-coupled input path. The reference design can be used for applications such as low-power (...)
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Esquema: PDF
Paquete Pasadores Descargar
SOT-23 (DBV) 5 Ver opciones
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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

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