Datasheet Texas Instruments TPS61221DCKT — Datenblatt

Hersteller	Texas Instruments
Serie	TPS61221
Artikelnummer	TPS61221DCKT

Winziger Boost-Wandler mit niedriger Eingangsspannung 6-SC70 -40 bis 85

Datenblätter

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PDF, 1.6 Mb, Revision: B, Datei veröffentlicht: Nov 11, 2014

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Preise

Status

Lifecycle Status	Active (Recommended for new designs)
Manufacture's Sample Availability	Yes

Verpackung

Pin	6
Package Type	DCK
Industry STD Term	SOT-SC70
JEDEC Code	R-PDSO-G
Package QTY	250
Carrier	SMALL T&R
Device Marking	CKS
Width (mm)	1.25
Length (mm)	2
Thickness (mm)	.9
Pitch (mm)	.65
Max Height (mm)	1.1
Mechanical Data	Herunterladen

Parameter

Duty Cycle(Max)	90 %
Iq(Typ)	0.005 mA
Operating Temperature Range	-40 to 85 C
Package Group	SC70
Rating	Catalog
Regulated Outputs	1
Special Features	Enable,Light Load Efficiency
Switch Current Limit(Min)	0.2 A
Switch Current Limit(Typ)	0.4 A
Switching Frequency(Max)	2000 kHz
Switching Frequency(Min)	500 kHz
Type	Converter
Vin(Max)	5.5 V
Vin(Min)	0.7 V
Vout(Max)	3.3 V
Vout(Min)	3.3 V

Öko-Plan

RoHS

Compliant

Design Kits und Evaluierungsmodule

Evaluation Modules & Boards: TPS61220EVM-319
TPS61220EVM-319 Evaluation Module
Lifecycle Status: Active (Recommended for new designs)
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Anwendungshinweise

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Stellaris DCDC Converter Reference Design
PDF, 169 Kb, Datei veröffentlicht: Aug 3, 2009
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2Q 2011 Issue Analog Applications Journal
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Accurately measuring efficiency of ultralow-IQ devices
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Automated Frequency Response Analyzer
PDF, 939 Kb, Datei veröffentlicht: Oct 9, 2013
This application report discusses a new method of doing stability Analysis testing by using basic labequipment, while not requiring any specific instruments.
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Five Steps to a Good PCB Layout of the Boost Converter
PDF, 701 Kb, Datei veröffentlicht: May 3, 2016
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Minimizing Ringing at the Switch Node of a Boost Converter
PDF, 201 Kb, Datei veröffentlicht: Sep 15, 2006
The application report explains how to use proper board layout and/or a snubber to reduce high-frequency ringing at the switch node of a boost converter.
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Design considerations for a resistive feedback divider in a DC/DC converter
PDF, 393 Kb, Datei veröffentlicht: Apr 26, 2012
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Basic Calculation of a Boost Converter's Power Stage (Rev. C)
PDF, 186 Kb, Revision: C, Datei veröffentlicht: Jan 8, 2014
This application note gives the equations to calculate the power stage of a boost converter built with an IC with integrated switch and operating in continuous conduction mode. It is not intended to give details on the functionality of a boost converter (see Reference 1) or how to compensate a converter. See the references at the end of this document if more detail is needed.
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Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. A)
PDF, 1.1 Mb, Revision: A, Datei veröffentlicht: May 11, 2015
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Extending the Soft Start Time Without a Soft Start Pin (Rev. B)
PDF, 387 Kb, Revision: B, Datei veröffentlicht: Jun 15, 2017
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IQ: What it is what it isn’t and how to use it
PDF, 198 Kb, Datei veröffentlicht: Jun 17, 2011
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Performing Accurate PFM Mode Efficiency Measurements (Rev. A)
PDF, 418 Kb, Revision: A, Datei veröffentlicht: Dec 11, 2018
When performing measurements on DC-DC converters using pulse frequency modulation(PFM)or any power save mode proper care must be taken to ensure that the measurements are accurate. An accurate PFM mode efficiency measurement is critical for systems which require high efficiency at low loads such as in smart home systems tablets wearables and metering.

Modellreihe

Serie: TPS61221 (2)

TPS61221DCKR TPS61221DCKT

Herstellerklassifikation

Semiconductors > Power Management > Non-isolated DC/DC Switching Regulator > Step-Up (Boost) > Boost Converter (Integrated Switch)