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APW7077

Anpec Electronics Coropration
Part Number APW7077
Manufacturer Anpec Electronics Coropration
Description PWM Step-Up DC-DC Converter
Published Nov 17, 2008
Detailed Description APW7077/A Features • Low Start-Up Voltage 0.9V • Fixed 300kHz Operating Frequency • Built-In Internal Soft-Start Circuit...
Datasheet PDF File APW7077 PDF File

APW7077
APW7077

Overview
APW7077/A 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 and Green Devices Available (RoHS Compliant) Applications • Cellular and Portable Phones • Portable Audio • Camcorders and Digital Still Camera • Hand-held Instrument • PDAs PWM Step-Up DC-DC Converter General 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 cycl...


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