Datasheet Texas Instruments TPS61040

ManufacturerTexas Instruments
SeriesTPS61040
Datasheet Texas Instruments TPS61040

28-V, 400-mA Switch Boost Converter in SOT-23 for LCD and White LED Applications

Datasheets

TPS6104x Low-Power DC-DC Boost Converter in SOT-23 and WSON Packages datasheet
PDF, 1.2 Mb, Revision: I, File published: Dec 13, 2016
Extract from the document

Prices

Status

TPS61040DBVRTPS61040DBVRG4TPS61040DDCRTPS61040DDCTTPS61040DRVRTPS61040DRVTTPS61040DRVTG4
Lifecycle StatusActive (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)
Manufacture's Sample AvailabilityNoYesNoYesNoYesYes

Packaging

TPS61040DBVRTPS61040DBVRG4TPS61040DDCRTPS61040DDCTTPS61040DRVRTPS61040DRVTTPS61040DRVTG4
N1234567
Pin5555666
Package TypeDBVDBVDDCDDCDRVDRVDRV
Industry STD TermSOT-23SOT-23SOT-23-THINSOT-23-THINWSONWSONWSON
JEDEC CodeR-PDSO-GR-PDSO-GR-PDSO-GR-PDSO-GS-PDSO-NS-PDSO-NS-PDSO-N
Package QTY3000300030002503000250250
CarrierLARGE T&RLARGE T&RLARGE T&RSMALL T&RLARGE T&RSMALL T&RSMALL T&R
Device MarkingPHOIPHOIQXKQXKCCLCCLCCL
Width (mm)1.61.61.61.6222
Length (mm)2.92.92.92.9222
Thickness (mm)1.21.2.87.87.75.75.75
Pitch (mm).95.95.95.95.65.65.65
Max Height (mm)1.451.451.11.1.8.8.8
Mechanical DataDownloadDownloadDownloadDownloadDownloadDownloadDownload

Parametrics

Parameters / ModelsTPS61040DBVR
TPS61040DBVR
TPS61040DBVRG4
TPS61040DBVRG4
TPS61040DDCR
TPS61040DDCR
TPS61040DDCT
TPS61040DDCT
TPS61040DRVR
TPS61040DRVR
TPS61040DRVT
TPS61040DRVT
TPS61040DRVTG4
TPS61040DRVTG4
Duty Cycle(Max), %88888888888888
Iq(Typ), mA0.0280.0280.0280.0280.0280.0280.028
Operating Temperature Range, C-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85
Package GroupSOT-23SOT-23SOT-23-THINSOT-23-THINWSONWSONWSON
RatingCatalogCatalogCatalogCatalogCatalogCatalogCatalog
Special FeaturesEnableEnableEnableEnableEnableEnableEnable
Switch Current Limit(Min), A0.3250.3250.3250.3250.3250.3250.325
Switch Current Limit(Typ), A0.40.40.40.40.40.40.4
Switching Frequency(Max), kHz1000100010001000100010001000
TypeConverterConverterConverterConverterConverterConverterConverter
Vin(Max), V6666666
Vin(Min), V1.81.81.81.81.81.81.8
Vout(Max), V28282828282828
Vout(Min), V1.81.81.81.81.81.81.8

Eco Plan

TPS61040DBVRTPS61040DBVRG4TPS61040DDCRTPS61040DDCTTPS61040DRVRTPS61040DRVTTPS61040DRVTG4
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Application Notes

  • High Voltage Power Supply Using the Highly Integrated TPS61040
    PDF, 72 Kb, File published: Jul 17, 2006
    The TPS61040 is a highly integrated, low-power, boost converter capable of delivering output voltages up to 28 V. Additionally, using a coupled inductor enables the TPS61040 to be used in applications where higher voltages are required - up to 75 V can be achieved.
  • Extending Battery Life With the TPS61040 Low Power DC-DC Boost Converter
    PDF, 65 Kb, File published: Jul 17, 2006
    This document describes application examples and reference designs for the TPS61040 boost converter. The following application example describes how to implement the TPS61040 low-power, dc-dc boost converter to drive white light LEDs. Also provided are design equations for calculating the proper resistor values for a white LED driver that includes provisions for dimming the LED brightness. The ref
  • High Voltage Power Supply Using a Highly Integrated DC/DC Converter (TPS61040)
    PDF, 33 Kb, File published: Jun 19, 2003
    The TPS61040 is a highly integrated, low power, boost converter capable of delivering output voltages up to 28 V. However, using a coupled inductor enables the TPS61040 to be used in applications where higher voltages are required. Output voltages up to 75 V are achieved using this technique.
  • Extending Battery Life with the TPS61040 White Light LED Driver
    PDF, 64 Kb, File published: May 3, 2002
    This application note describes how to extend the battery life of a circuit that uses Texas Instrument's TPS61040 low power dc-dc boost converter for driving white light LEDs. Power loss in the current sense resistor is discussed, and a method for reducing this loss is presented. Design equations are given for calculating the proper resistor values for a white light LED driver that includes prov
  • Improved Overvoltage Protection for the TPS61040/1
    PDF, 78 Kb, File published: Mar 15, 2006
    This application report presents an improved overvoltage protection circuit using a Zener diode for the TPS61040/1.
  • Feedforward Capacitor Makes Boost Converter Fast and Stable
    PDF, 1.0 Mb, File published: Nov 2, 2016
  • White Light LED Driver With Gradual Dimming (Rev. A)
    PDF, 177 Kb, Revision: A, File published: Jan 10, 2007
    Many consumer products using white light LEDs for illumination and backlighting provide gradual LED illumination at turnon and turnoff. This gradual illumination is usually achieved with the aid of a microprocessor that provides PWM dimming control. This circuit uses the Texas Instruments TPS61040 white light LED driver to provide gradual illumination at turnon and turnoff without the use of a mic
  • Single Cell TPS61041 LED Driver
    PDF, 69 Kb, File published: Jun 9, 2003
    This application report shows how to operate the TPS61041 in a constant current LED drive configuration from input voltages less than 1.8 V. Although most applications using this device connect the VIN pin to the boost inductor, L1, as shown in Figure 1, this is not required. Separating the power stage from the control IC, allows the use of input voltages that are both above or below the operating
  • Using the TPS61040 in High Voltage Applications
    PDF, 69 Kb, File published: May 16, 2005
    The TPS61040 is a highly integrated, low-power, boost converter capable of delivering output voltages up to 28 V with input voltages up to 6 V. However, using an external transistor in a cascode configuration enables the TPS61040 to be used in applications where higher input or output voltages are required. Output voltages in the 100s of volts are achievable using this technique.
  • Coupled inductors broaden DC/DC converter usage
    PDF, 140 Kb, File published: Aug 11, 2010
  • High Voltage Power Supply Using the TPS61040
    PDF, 32 Kb, File published: Jul 9, 2002
    The TPS61040 is a highly integrated, low power, boost converter capable of delivering output voltages up to 28 V. The addition of two small diodes and two small capacitors enables the TPS61040 to deliver output voltages up to 50 V.
  • TPS61040 Inverter Design (Rev. A)
    PDF, 56 Kb, Revision: A, File published: Jun 9, 2003
    Although designed to be a positive voltage boost converter, the TPS61040 can be configured as an inverting converter using an OPA348 operational amplifier or equivalent to invert the feedback signal.
  • TPS61042 Dual Li-Ion and Higher Input Voltages
    PDF, 46 Kb, File published: Mar 13, 2003
    This document shows how to operate the TPS61042 from input voltages greater than 6 V. The ability to operate from input voltages greater than 6 V allows the TPS61042 to operate from dual Li-Ion or higher input voltages.
  • 3Q 2010 Issue Analog Applications Journal
    PDF, 1.5 Mb, File published: Aug 11, 2010
  • Design considerations for a resistive feedback divider in a DC/DC converter
    PDF, 393 Kb, File published: Apr 26, 2012
  • Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. A)
    PDF, 1.1 Mb, Revision: A, File published: May 11, 2015
  • Extending the Soft Start Time Without a Soft Start Pin (Rev. B)
    PDF, 387 Kb, Revision: B, File published: Jun 15, 2017
  • IQ: What it is what it isn’t and how to use it
    PDF, 198 Kb, File published: Jun 17, 2011
  • Performing Accurate PFM Mode Efficiency Measurements (Rev. A)
    PDF, 418 Kb, Revision: A, File published: 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.

Model Line

Manufacturer's Classification

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