Datasheet Linear Technology LT3689EUD#TRPBF

ManufacturerLinear Technology
SeriesLT3689
Part NumberLT3689EUD#TRPBF

700mA Step-Down Regulator with Power-On Reset and Watchdog Timer

Datasheets

Datasheet LT3689, LT3689-5
PDF, 986 Kb, Language: en, File uploaded: Sep 19, 2017, Pages: 34
700mA Step-Down Regulator with Power-On Reset and Watchdog Timer
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Prices

Packaging

Package3x3 QFN-16
Package CodeUD
Package Index05-08-1691

Parametrics

ArchitectureConstant Frequency Current Mode
Demo BoardsDC1312A
Design ToolsLTspice File
Export Controlno
FeaturesBurst Mode, Resistor Set Frequency, External Synchronization, Watchdog Timer
Frequency2200 kHz
Frequency Adjust Range350kHz - 2.2MHz
Frequency Sync Range350kHz - 2.2MHz
Integrated Inductorno
Ishutdown0.01 µA
Isupply0.05 mA
Max Phases1
Monolithicyes
Number of Outputs1
Operating Temperature Range0 to 85 °C
Output Current0.7 A
Over Voltage Protection60 V
Polyphaseno
Switch Current1.55 A
Synchronousno
TopologyBuck
Vin Max38 V
Vin Min3.4 V
Vout Max34.2 V
Vout Maximum0.9Vin
Vout Min0.8 V
Vref Accuracy Over Temp1.5 %

Eco Plan

RoHSCompliant

Other Options

LT3689-5 LT3689-5

Articles

  • Industrial/Automotive Step-Down Regulator Accepts 3.6V to 36V and Includes Power-On Reset and Watchdog Timer in 3mm × 3mm QFN &mdash LT Journal
    PDF, 218 Kb, File published: Mar 1, 2009
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Model Line

Manufacturer's Classification

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck | High Input Voltage Buck
  • Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators

Other Names:

LT3689EUDTRPBF, LT3689EUD TRPBF