Startseite Energiemanagement AC/DC- und DC/DC-Wandler (integrierter FET)
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AC/DC- und DC/DC-Wandler (integrierter FET)

TPS62087

AKTIV

Abwärtswandler, 3 A, mit DCS-Control und Hiccup-Kurzschlussschutz im QFN-Gehäuse 2x2

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Selbe Funktionalität wie der verglichene Baustein bei abweichender Anschlussbelegung
TPS62826 AKTIV 3-A-Abwärtswandler mit 2,4-V- bis 5,5-V-Eingang, mit 1 % Genauigkeit, im 1,5-mm x 1,5-mm-VSON-HR-Geh Smaller 1.5-mm x 1.5-mm QFN pin-to-pin compatible family 1 A, 2 A, 3 A and 4 A

TPS62087

AKTIV
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Produktdetails

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 2.5 Vin (max) (V) 6 Switching frequency (min) (kHz) 2400 Switching frequency (max) (kHz) 2400 Features Enable, Light Load Efficiency, Light load efficiency, Output discharge, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, Synchronous Rectification, UVLO Fixed, UVLO fixed Control mode Constant on-time (COT), DCS-Control Vout (min) (V) 1.8 Vout (max) (V) 1.8 Iq (typ) (µA) 17 Duty cycle (max) (%) 100
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 2.5 Vin (max) (V) 6 Switching frequency (min) (kHz) 2400 Switching frequency (max) (kHz) 2400 Features Enable, Light Load Efficiency, Light load efficiency, Output discharge, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, Synchronous Rectification, UVLO Fixed, UVLO fixed Control mode Constant on-time (COT), DCS-Control Vout (min) (V) 1.8 Vout (max) (V) 1.8 Iq (typ) (µA) 17 Duty cycle (max) (%) 100
VSON-HR (RLT) 7 4 mm² 2 x 2
  • DCS-Control™ topology
  • Up to 95% efficiency
  • Hiccup short-circuit protection
  • Power save mode for light load efficiency
  • 100% duty cycle for lowest dropout
  • 2.5-V to 6.0-V input voltage range
  • 17-µA operating quiescent current
  • 0.8-V to VIN adjustable output voltage
  • 1.8-V and 3.3-V fixed output voltage
  • Output discharge
  • Power good output
  • Thermal shutdown protection
  • Available in 2-mm × 2-mm VSON package
  • Create a custom design using the:
  • DCS-Control™ topology
  • Up to 95% efficiency
  • Hiccup short-circuit protection
  • Power save mode for light load efficiency
  • 100% duty cycle for lowest dropout
  • 2.5-V to 6.0-V input voltage range
  • 17-µA operating quiescent current
  • 0.8-V to VIN adjustable output voltage
  • 1.8-V and 3.3-V fixed output voltage
  • Output discharge
  • Power good output
  • Thermal shutdown protection
  • Available in 2-mm × 2-mm VSON package
  • Create a custom design using the:

The TPS62085, TPS62086, and TPS62087 devices are high-frequency synchronous step-down converters optimized for small solution size and high efficiency. With an input voltage range of 2.5 V to 6.0 V, common battery technologies are supported. The devices focus on high-efficiency step-down conversion over a wide output current range. At medium to heavy loads, the converter operates in PWM mode and automatically enters Power Save Mode operation at light load to maintain high efficiency over the entire load current range.

To address the requirements of system power rails, the internal compensation circuit allows a large selection of external output capacitor values ranging from 10 µF to 150 µF. Together with its DCS-Control architecture, excellent load transient performance and output voltage regulation accuracy are achieved. The devices are available in a 2-mm × 2-mm VSON package.

The TPS62085, TPS62086, and TPS62087 devices are high-frequency synchronous step-down converters optimized for small solution size and high efficiency. With an input voltage range of 2.5 V to 6.0 V, common battery technologies are supported. The devices focus on high-efficiency step-down conversion over a wide output current range. At medium to heavy loads, the converter operates in PWM mode and automatically enters Power Save Mode operation at light load to maintain high efficiency over the entire load current range.

To address the requirements of system power rails, the internal compensation circuit allows a large selection of external output capacitor values ranging from 10 µF to 150 µF. Together with its DCS-Control architecture, excellent load transient performance and output voltage regulation accuracy are achieved. The devices are available in a 2-mm × 2-mm VSON package.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS6208x, 3-A Step-Down Converter With Hiccup Short-Circuit Protection in 2-mm × 2-mm VSON Package datasheet (Rev. C) PDF | HTML 08 Jan 2021
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 06 Dez 2023
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 Dez 2018
Analog Design Journal Understanding 100% mode in low-power DC/DC converters 22 Jun 2018
Analog Design Journal Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold 24 Okt 2017
Analog Design Journal Testing tips for applying external power to supply outputs without an input voltage 24 Okt 2016
Analog Design Journal Understanding frequency variation in the DCS-Control(TM) topology 30 Okt 2015
Application note Basic Calculation of a Buck Converter's Power Stage (Rev. B) 17 Aug 2015
Analog Design Journal Five steps to a great PCB layout for a step-down converter 29 Jan 2015
EVM User's guide User's Guide for TPS62085EVM_169 04 Okt 2013
Analog Design Journal High-efficiency, low-ripple DCS-Control offers seamless PWM/pwr-save transitions 25 Jul 2013
Application note How to Measure the Control Loop of DCS-Control Devices (Rev. A) 09 Aug 2012
Application note Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) 13 Jan 2012
Application note Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs 19 Sep 2011
Analog Design Journal IQ: What it is, what it isn’t, and how to use it 17 Jun 2011

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