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ADP2503ACPZ-4.2-R7
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ADP2503ACPZ-4.2-R7

  • Category:Step-down DC/DC conversion
  • Product Name:600 mA/1000 mA, 2.5 MHz buck-boost DC-DC converter
  • Manufacturers:ADI
  • Production Batch Number:14+
  • Encapsulation:10 ld LFCSP
  • Stock Status:There is stock
  • Stock Quantity:3000
  • Minimum order quantity: 1
  • Details:Click here to find pdf information on the ADP2503ACPZ-4.2-R7
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  • Product introduction

Product details

ADP2503/ADP2504 are high efficiency, low quiescent current boosts/Step-down DC-DC converter, can operate with an input voltage above, below, or equal to the regulated output voltage. Built-in power switches and synchronous rectifiers minimize external component count and maximize efficiency. At high load currents, the ADP2503/ADP2504 use a current mode, fixed frequency pulse-width modulation (PWM) control scheme for excellent stability and transient response. To ensure maximum battery life in portable applications, the ADP2503/ADP2504 have a selectable power-saving pulse-trip mode that reduces the switching frequency at light loads, saving power. For wireless and other low-noise applications where interference can occur with variable frequency pulse trip mode, the logic control input signal can force fixed-frequency pulse-width modulation (PWM) operation under various load conditions.

The ADP2503/ADP2504 have an input voltage range of 2.3 V~5.5 V, which makes them ideal for single-cell Li+/Li-polymer batteries as well as multi-cell alkaline/nickel-metal hydride (NiMH) batteries where their output voltages are within the battery voltage range. The ADP2503/ADP2504 have a fixed output voltage range of 2.8 V~5 V. Internal compensation minimizes external component count.

During logic-controlled shutdown, the input and output are separated and the input source current is less than 1μA. Other key features include: undervoltage lockout, which prevents deep battery discharge; Soft start prevents input current overshoot at startup.

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  • Wireless phones
  • Small hard drive power supply
  • Digital camera/portable audio player
  • USB powered devices
  • Advantages and features

    • Quiescent current: 38 μA typical
    • A 1.5 μH inductor is supported at 2.5 MHz
    • Input voltage: 2.3 V to 5.5 V
    • Fixed output voltage: 2.8 V to 5.0 V
    • For more features, please refer to the data sheet
  • andADP2503ACPZ-4.2-R7Related ICs are:


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