TPS61086

AKTIV

18,5 V, 2 A, 2 MHz, DC/DC-Aufwärtswandler

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Datenblatt

document-pdfAcrobat TPS61086 18.5-V PFM – PWM Step-Up DC – DC Converter With 2.0-A Switch datasheet (Rev. B) (Englisch) PDF | HTML

TPS61086

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

Rating

Catalog

Topology

Boost

Vin (max) (V)

6

Vin (min) (V)

2.3

Vout (max) (V)

18.5

Vout (min) (V)

2.8

Switch current limit (typ) (A)

2.6

Features

Enable, Light-load efficiency, Nonsynchronous, Power good

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.00007

Duty cycle (max) (%)

90

Rating

Catalog

Topology

Boost

Vin (max) (V)

6

Vin (min) (V)

2.3

Vout (max) (V)

18.5

Vout (min) (V)

2.8

Switch current limit (typ) (A)

2.6

Features

Enable, Light-load efficiency, Nonsynchronous, Power good

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.00007

Duty cycle (max) (%)

90

VSON (DRC)

10

9 mm² (3 mm × 3 mm)

2.3-V to 6.0-V Input Voltage Range
18.5-V Boost Converter With 2.0-A Switch Current
1.2-MHz Switching Frequency
Power Save Mode for Improved Efficiency at Low-
Output Power or Forced PWM
Adjustable Soft-Start
Thermal Shutdown
Undervoltage Lockout
10-Pin VSON Package

2.3-V to 6.0-V Input Voltage Range
18.5-V Boost Converter With 2.0-A Switch Current
1.2-MHz Switching Frequency
Power Save Mode for Improved Efficiency at Low-
Output Power or Forced PWM
Adjustable Soft-Start
Thermal Shutdown
Undervoltage Lockout
10-Pin VSON Package

The TPS61086 device is a high-frequency, high-efficiency DC-to-DC converter with an integrated 2.0-A, 0.13-Ω power switch capable of providing an output voltage up to 18.5 V. The implemented boost converter is based on a fixed frequency of 1.2-MHz, pulse-width-modulation (PWM) controller that allows the use of small external inductors and capacitors and provides fast transient response.

At light-load, the device can operate in Power Save Mode with pulse-frequency-modulation (PFM) to improve the efficiency while keeping a low-output voltage ripple. For very noise-sensitive applications, the device can be forced to PWM Mode operation over the entire load range by pulling the MODE pin high. The external compensation allows optimizing the application for specific conditions. A capacitor connected to the soft-start pin minimizes inrush current at start-up.

The TPS61086 device is a high-frequency, high-efficiency DC-to-DC converter with an integrated 2.0-A, 0.13-Ω power switch capable of providing an output voltage up to 18.5 V. The implemented boost converter is based on a fixed frequency of 1.2-MHz, pulse-width-modulation (PWM) controller that allows the use of small external inductors and capacitors and provides fast transient response.

At light-load, the device can operate in Power Save Mode with pulse-frequency-modulation (PFM) to improve the efficiency while keeping a low-output voltage ripple. For very noise-sensitive applications, the device can be forced to PWM Mode operation over the entire load range by pulling the MODE pin high. The external compensation allows optimizing the application for specific conditions. A capacitor connected to the soft-start pin minimizes inrush current at start-up.

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Technische Dokumentation

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Top-Dokumentation	Typ	Titel	Format-Optionen	Datum
*	Datenblatt	TPS61086 18.5-V PFM – PWM Step-Up DC – DC Converter With 2.0-A Switch datasheet (Rev. B)	PDF \| HTML	16.07.2015
	Anwendungshinweis	QFN and SON PCB Attachment (Rev. C)	PDF \| HTML	06.12.2023
	Anwendungshinweis	Basic Calculation of a Boost Converter's Power Stage (Rev. D)	PDF \| HTML	28.10.2022
	Anwendungshinweis	Using External Bias to Broaden Input Voltage Range of Boost Converters	PDF \| HTML	08.11.2021
	Anwendungshinweis	Negative Input to Negative Output Step-Up Converter Design Using TPS61086	PDF \| HTML	23.07.2021
	Anwendungshinweis	Performing Accurate PFM Mode Efficiency Measurements (Rev. A)		11.12.2018
	Anwendungshinweis	Charging Supercapacitor Banks from USB Type C Port With Boost Converter		17.07.2018
	Anwendungshinweis	AN-2020 Thermal Design By Insight, Not Hindsight (Rev. C)		23.04.2013
	Anwendungshinweis	Low Cost 1W Isolated Power Supply Solution with TPS61085		26.06.2012
	Analog Design Journal	Design considerations for a resistive feedback divider in a DC/DC converter		26.04.2012
	Anwendungshinweis	Understanding the Absolute Maximum Ratings of the SW Node (Rev. A)		13.01.2012
	Analog Design Journal	IQ: What it is, what it isn’t, and how to use it		17.06.2011
	Anwendungshinweis	Minimizing Ringing at the Switch Node of a Boost Converter		15.09.2006

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

TPS61086EVM-526 — Evaluierungsmodul TPS61086EVM-526

The TPS61086EVM-526 evaluation module is a fully assembled and tested circuit for evaluating the TPS61086 step-up DC/DC converter. The EVM operates from a 2.3V to 6V input voltage. It generates an output voltage of 12V with a switch current of 2A minimum.

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