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ADP1612:  650 kHz /1.3 MHz Step-Up PWM DC-to-DC Switching Converter with 1.4 A Current Limit

Product Details


The ADP1612/ADP1613 are step-up dc-to-dc switching con-verters with an integrated power switch capable of providing an output voltage as high as 20 V. With a package height of less than 1.1 mm, the ADP1612/ADP1613 are optimal for space-constrained applications such as portable devices or thin film transistor (TFT) liquid crystal displays (LCDs).

The ADP1612/ADP1613 operate in current mode pulse-width modulation (PWM) with up to 94% efficiency. Adjustable soft start prevents inrush currents when the part is enabled. The pin-selectable switching frequency and PWM current-mode architecture allow for excellent transient response, easy noise filtering, and the use of small, cost-saving external inductors and capacitors. Other key features include undervoltage lockout (UVLO), thermal shutdown (TSD), and logic controlled enable.

The ADP1612/ADP1613 are available in the lead-free 8-lead MSOP.

Applications
  • TFT LCD bias supplies
  • Portable applications
  • Industrial/instrumentation equipment
  • FEATURES and BENEFITS

    • Current limit
      1.4 A
    • Minimum input voltage
      1.8 V
    • Pin-selectable 650 kHz or 1.3 MHz PWM frequency
    • Adjustable output voltage up to 20 V
    • Adjustable soft start
    • Undervoltage lockout
    • Thermal shutdown
    • 8-lead MSOP

    Circuit Diagram for ADP1612

    Documentation

    Title Content Type File Type
    ADP1612/ADP1613: 650 kHz /1.3 MHz Step-Up PWM DC-to-DC Switching Converters Data Sheet (Rev D, 11/2012) (pdf, 1495 kB) Data Sheets PDF
    AN-1126: More Boost with Less Stress: the SEPIC Multiplied Boost Converter  (pdf, 330 kB) Application Notes PDF
    AN-1141: Powering a Dual Supply Precision ADC with Switching Regulators  (pdf, 640 kB) Application Notes PDF
    AN-1132: How to Apply DC-to-DC Step-Up (Boost) Regulators  (pdf, 242 kB) Application Notes PDF
    AN-1106: An Improved Topology for Creating Split Rails from a Single Input Voltage  (pdf, 328 kB) Application Notes PDF
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    Design Tools,Models,Drivers & Software

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    Microsoft Excel download tool from ADIsimPower to generate a power supply design complete with a schematic, bill of materials, and performance specifications.
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    Evaluation Kits & Symbols & Footprints

    Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

    Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

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    Price, packaging, availability

    Price Table Help

    The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

    ADP1612 Evaluation Hardware
    Model Description Price RoHS View PCN/ PDN Check Inventory/
    Purchase/Sample
    ADP1612-5-EVALZ Status: Production Evaluation Board $60.00 Yes -

    Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.

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