Datasheet Texas Instruments LM22670QTJ-ADJ/NOPB

ManufacturerTexas Instruments
SeriesLM22670-Q1
Part NumberLM22670QTJ-ADJ/NOPB
Datasheet Texas Instruments LM22670QTJ-ADJ/NOPB

3A SIMPLE SWITCHER, Step-Down Voltage Regulator with Synchronization or Adjustable Switching Freq 7-TO-263 -40 to 125

Datasheets

LM22670/-Q1 42-V, 3-A SIMPLE SWITCHERВ®, Step-Down Voltage Regulator With Features datasheet
PDF, 1.6 Mb, Revision: P, File published: Oct 28, 2014
Extract from the document

Prices

Status

Lifecycle StatusActive (Recommended for new designs)
Manufacture's Sample AvailabilityNo

Packaging

Pin77
Package TypeNDRNDR
Industry STD TermTO-263TO-263
JEDEC CodeR-MSFM-LR-MSFM-L
Package QTY10001000
CarrierLARGE T&RLARGE T&R
Device MarkingQTJ-ADJLM22670
Width (mm)9.859.85
Length (mm)10.1610.16
Thickness (mm)22
Pitch (mm)1.271.27
Max Height (mm)2.252.25
Mechanical DataDownloadDownload

Parametrics

Control ModeVoltage Mode
Duty Cycle(Max)90 %
Iout(Max)3 A
Iq(Typ)3.4 mA
Operating Temperature Range-40 to 125 C
Package GroupTO-263
RatingAutomotive
Regulated Outputs1
Special FeaturesEnable
Switching Frequency(Max)1000 kHz
Switching Frequency(Min)200 kHz
TypeConverter
Vin(Max)42 V
Vin(Min)4.5 V
Vout(Max)37 V
Vout(Min)1.285 V

Eco Plan

RoHSCompliant

Design Kits & Evaluation Modules

  • Evaluation Modules & Boards: LM22670INVEVAL
    LM22670 Inverting Output Regulator w/ Freq Adj or Synch. up to 1MHz, and Precision Enable EVM
    Lifecycle Status: Active (Recommended for new designs)
  • Evaluation Modules & Boards: LM22670EVAL
    LM22670 3A SIMPLE SWITCHER regulator w/ Freq Adj or Synch and Precision Enable EVM
    Lifecycle Status: Active (Recommended for new designs)

Application Notes

  • AN-1533 Overvoltage Protection Circuit for Automotive Load Dump (Rev. B)
    PDF, 83 Kb, Revision: B, File published: May 6, 2013
    This application report discusses an over voltage protection circuit for automotive load dump.
  • AN-1197 Selecting Inductors for Buck Converters (Rev. B)
    PDF, 558 Kb, Revision: B, File published: Apr 23, 2013
    This application report provides design information to help select an off-the-shelf inductor for anycontinuous-mode buck converter application.
  • AN-1797 TO-263 THIN Package (Rev. A)
    PDF, 2.3 Mb, Revision: A, File published: Apr 24, 2013
    This application note describes the TO–263 THIN Package.
  • AN-2020 Thermal Design By Insight, Not Hindsight (Rev. C)
    PDF, 568 Kb, Revision: C, File published: Apr 23, 2013
    This application report provides an in-depth discussion of thermal design.
  • SIMPLE SWITCHER Regulators Take Over Automotive Applications (Rev. A)
    PDF, 72 Kb, Revision: A, File published: Apr 23, 2013
    Power management applications, typically located on the front line of the automotive electronics system,can be subject to wide input operating voltage extremes resulting from load-dump and cold-crankingconditions. Careful selection of the power management electronics can provide added margin andprotection to the automotive electronics system. The simplest design is provided by a power manage
  • Low EMI Layout Made SIMPLE With LM43600/1/2/3 and LM46000/1/2 (Rev. A)
    PDF, 512 Kb, Revision: A, File published: Sep 12, 2014
    Printed Circuit Board (PCB) layout for Switched Mode Power Supplies (SMPS) is critical to achieve proper converter operation good thermal performance and excellent radiated EMI performance. Optimized board layout for low radiated EMI is made very simple by the package and pin arrangement of the SIMPLE SWITCHER Synchronous Buck Converter family LM4360x and LM4600x
  • AN-1246 Stresses in Wide Input DC-DC Converters (Rev. C)
    PDF, 427 Kb, Revision: C, File published: Apr 23, 2013
    This application note discusses stresses in wide input DC-DC converters.

Model Line

Manufacturer's Classification

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

Other Names:

LM22670QTJADJ/NOPB, LM22670QTJ ADJ/NOPB