APW707A

Features: · Low Start-up Voltage 0.9V· Fixed 300kHZ Operating Frequency· Built-In Internal Soft Start Circuit· Low Operating Current· 3.3V and 5V (±2.5%) Fixed (APW7077) or Adjustable Output Voltage (APW7077A)· High Efficiency Up to 88% at 400mA Output Current· High Output Current Up to 1A· Compac...

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SeekIC No. : 004287671 Detail

APW707A: Features: · Low Start-up Voltage 0.9V· Fixed 300kHZ Operating Frequency· Built-In Internal Soft Start Circuit· Low Operating Current· 3.3V and 5V (±2.5%) Fixed (APW7077) or Adjustable Output Voltage...

floor Price/Ceiling Price

Part Number:
APW707A
Supply Ability:
5000

Price Break

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

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268 Transactions

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Upload time: 2024/11/21

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Product Details

Description



Features:

· Low Start-up Voltage 0.9V
· Fixed 300kHZ Operating Frequency
· Built-In Internal Soft Start Circuit
· Low Operating Current
· 3.3V and 5V (±2.5%) Fixed (APW7077) or Adjustable Output Voltage (APW7077A)
· High Efficiency Up to 88% at 400mA Output Current
· High Output Current Up to 1A
· Compact Package: SOT-23-5
· Lead Free Available (RoHS Compliant)



Application

· Cellular and Portable Phones
· Portable Audio
· Camcorders and Digital Still Camera
· Hand-held Instrument
· PDAs



Pinout

  Connection Diagram


Description

The APW7077/A series are multi- function PWM step-up DC-DC converter with an adaptive voltage mode controller and higher efficiency application from one to four cells battery packs. The APW7077/A series are set PWM operating mode, voltage-mode to follow portable application. And built-in driver pin, EXT pin, for connecting to an external transistor or MOSFET during light load, the device will automatically skip switching cycles to maintain high efficiency.

The APW7077/A series consists of PWM controller, reference voltage, phase compensation, oscillator, soft-start, driver block. It will provide to operate suitable voltage without external compensation circuit. The APW7077/A series have fixed voltage and adjustable voltage version from a wide input voltage ranges 0.7V to 5.5V for step-up DC-DC converter. The start-up is guaranteed at 1V and the device is operating down to 0.7V. And providing up to 300mA loading current. Besides, low quiescent current (switch-off) is guaranteed.




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