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Datasheet Texas Instruments LMZ21700SILR

Datasheet Texas Instruments LMZ21700SILR

ManufacturerTexas Instruments
Part NumberLMZ21700SILR

SIMPLE SWITCHER® 3V to 17V, 650mA High Density Nano Module 8-uSiP -40 to 125


  • Download » Datasheet, PDF, 2.0 Mb, Revision: C, 11-01-2014
    LMZ21700 650 mA SIMPLE SWITCHER® Nano Module with 17V Maximum Input Voltage (Rev. C)


Family: LMZ21700


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


Package QTY30003000300030003000
Device MarkingD974851700 7485 D91700TXN7204EC


Approx. Price (US$)1.55 | 1ku
Operating Temperature Range(C)-40 to 125
Package Size: mm2:W x L (PKG)See datasheet (QFM)
See datasheet (uSiP)
Package TypeMicroSiP (LGA)
Regulated Outputs(#)1
Soft StartAdjustable
Special FeaturesEMI Tested
Light Load Efficiency
Power Good
Switching Frequency(Max)(kHz)2500
Switching Frequency(Min)(kHz)1250
Switching Frequency(Typ)(kHz)2000

Eco Plan

Pb FreeYes

Design Kits & Evaluation Modules

  • Evaluation Modules & Boards: LMZ21700EVM
    LMZ21700 650mA SIMPLE SWITCHER® Nano Module Evaluation Board
    Lifecycle Status: Active (Recommended for new designs)

Application Notes

  • Download » Application Notes, PDF, 298 Kb, Revision: A, 04-23-2013
    AN-2169 LMZ10501 and LMZ10500 SIMPLE SWITCHER Nano Module (Rev. A)
    The LMZ10501 and LMZ10500 SIMPLE SWITCHER nano modules are easy-to-use DC-DC solutionsoptimized for space-constrained applications. The LMZ10501 is capable of driving up to 1A load withexcellent power conversion efficiency, line and load regulation. The LMZ10500 is a 650mA version moduleand is pin-to-pin compatible with the LMZ10501.
  • Download » Application Notes, PDF, 409 Kb, 08-19-2007
    Understanding and Applying Current-Mode Control Theory
  • Download » Application Notes, PDF, 742 Kb, Revision: B, 05-03-2004
    AN-643 EMI/RFI Board Design (Rev. B)
    Application Note 643 EMI/RFI Board Design
  • Download » Application Notes, PDF, 82 Kb, Revision: C, 04-23-2013
    AN-1149 Layout Guidelines for Switching Power Supplies (Rev. C)
    When designing a high frequency switching regulated power supply, layout is very important. Using agood layout can solve many problems associated with these types of supplies. The problems due to a badlayout are often seen at high current levels and are usually more obvious at large input to output voltagedifferentials. Some of the main problems are loss of regulation at high output current
  • Download » Application Notes, PDF, 2.7 Mb, Revision: A, 04-23-2013
    AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A)
    This application report shows how to measure the critical points of a bode plot with only an audiogenerator (or simple signal generator) and an oscilloscope. The method is explained in an easy to followstep-by-step manner so that a power supply designer can start performing these measurements in a shortamount of time.
  • Download » Application Notes, PDF, 9.2 Mb, Revision: B, 04-23-2013
    AN-1520 A Guide to Board Layout for Best Thermal Resistance for Exposed Packages (Rev. B)
    This thermal application report provides guidelines for the optimal board layout to achieve the best thermalresistance for exposed packages. The thermal resistance between junction-to-ambient (θJA) is highlydependent on the PCB (Printed Circuit Board) design factors. This becomes more critical for packageshaving very low thermal resistance between junction-to-case, such as exposed pad TSSOP
  • Download » Application Notes, PDF, 3.6 Mb, Revision: A, 04-23-2013
    AN-2155 Layout Tips for EMI Reduction in DC/ DC Converters (Rev. A)
    This application note will explore how the layout of your DC/DC power supply can significantly affect theamount of EMI that it produces. It will discuss several variations of a layout, analyze the results, andprovide answers to some common EMI questions such whether or not to use a shielded inductor.
  • Download » Application Notes, PDF, 373 Kb, Revision: C, 04-23-2013
    AN-1229 SIMPLE SWITCHER PCB Layout Guidelines (Rev. C)
    This application report provides SIMPLE SWITCHER™ PCB layout guidelines.
  • Download » Application Notes, PDF, 2.5 Mb, Revision: C, 04-24-2013
    AN-2162 Simple Success With Conducted EMI From DC-DC Converters (Rev. C)
    Electromagnetic Interference (EMI) is an unwanted effect between two electrical systems as a result ofeither electromagnetic radiation or electromagnetic conduction. EMI is the major adverse effect caused bythe application of switch-mode power supplies (SMPS). In switching power supplies, EMI noise isunavoidable due to the switching actions of the semiconductor devices and resulting disconti
  • Download » Application Notes, PDF, 201 Kb, Revision: C, 04-19-2016
    Semiconductor and IC Package Thermal Metrics (Rev. C)
  • Download » Application Notes, PDF, 219 Kb, 09-19-2005
    Input and Output Capacitor Selection

Moldel Line

Series: LMZ21700 (2)

Manufacturer's Classification

  • Semiconductors > Power Management > Power Modules > Non-Isolated Module > Step-Down (Buck) Module
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