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AIC1550

Features: 95% Efficiency or up 800mA Guaranteed Output Current. Adjustable Output Voltage from 0.75V to VIN of a range from +2.5V to 6.5V. Very Low Quiescent Current: 35mA (Typ.). Fixed- 500KHz or Adjustable Frequency Synchronous PWM Operation. Synchronizable external Switching Frequency...

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SeekIC No. : 004279010 Detail

AIC1550: Features: 95% Efficiency or up 800mA Guaranteed Output Current. Adjustable Output Voltage from 0.75V to VIN of a range from +2.5V to 6.5V. Very Low Quiescent Current: 35mA (Typ.). Fixed- 500...

AIC1550 Data Sheet

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Part Number:
AIC1550
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

  • 95% Efficiency or up
  • 800mA Guaranteed Output Current.
  • Adjustable Output Voltage from 0.75V to VIN of a range from +2.5V to 6.5V.
  • Very Low Quiescent Current: 35mA (Typ.).
  • Fixed- 500KHz or Adjustable Frequency Synchronous PWM Operation.
  • Synchronizable external Switching Frequency up to 1MHz.
  • Accurate Reference: 0.75V (¡Ó2%).
  • 100% Duty Cycle in Dropout.
  • Low Profile 8-Pin MSOP Package.





    • Application

  • PDAs.
  • Digital Still Cameras.
  • Handy-Terminals.
  • Cellular Phones.
  • CPU I/O Supplies.
  • Cordless Phones.
  • Notebook Chipset Supplies.
  • Battery-Operated Devices (4 NiMH/ NiCd or 1 Li-ion Cells).





    • Pinout

    Connection Diagram




    Specifications

    VIN, BP, SHDN, SYNC/MODE, RT to GND.................... -0.3 to +7V
    BP to VIN ...................................-0.3 to 0.3V
    LX to GND ...............................-0.3 ~ (VIN+0.3V)
    FB to GND ............................... -0.3 ~ (VBP+0.3V)
    Operating Temperature Range ...................... -40°C ~ 85°C
    Junction Temperatrue ...............................125°C
    Storage Temperature Range ......................- 65°C ~ 150°C
    Lead Temperature (Soldering. 10 sec)....................... 260°C

    Absolute Maximum Ratings are those values beyond which the life of a device may be Impaired.




    Description

    The AIC1550 is a low-noise pulse-width-modulated (PWM) DC-DC step-down converter. It powers logic circuits in PDAs and small wireless systems such as cellular phones, handy-terminals.

    The device features an internal synchronous rectifier for high conversion efficiency. Excellent noise characteristics and fixed-frequency operation provide easy post-filtering. The AIC1550 is ideally suited for Li-ion battery applications. It is also suitable for +3V or +5V fixed input applications. The device can operate in either one of the following four modes.






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