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AP1603 - STEP-UP DC/DC CONVERTER

Description

The AP1603 is a high efficiency step-up DC-DC converter for applications using as few as a single NiMH or Li-Ion battery cells.

Only four external components are required to deliver a fixed output voltage of 3.3V.

The AP1603 starts up from less than 0.9V input with 1mA load.

Features

  • A Guaranteed Start-Up from less than 0.9 V.
  • High Efficiency.
  • Low Quiescent Current.
  • Less Number of External Components needed.
  • Low Ripple and Low Noise.
  • Space Saving Lead Free Package: SOT26.
  • Available in Green molding.
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2).
  • Halogen and Antimony Free. “Green” Device (Note 3).

📥 Download Datasheet

Datasheet preview – AP1603

Datasheet Details

Part number AP1603
Manufacturer DIODES Incorporated
File Size 293.93 KB
Description STEP-UP DC/DC CONVERTER
Datasheet download datasheet AP1603 Datasheet
Additional preview pages of the AP1603 datasheet.

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Full PDF Text Transcription

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AP1603 STEP-UP DC-DC CONVERTER Description The AP1603 is a high efficiency step-up DC-DC converter for applications using as few as a single NiMH or Li-Ion battery cells. Only four external components are required to deliver a fixed output voltage of 3.3V. The AP1603 starts up from less than 0.9V input with 1mA load. Pulse Frequency Modulation scheme brings optimized performance for applications with light output loading and low input voltages. The output ripple and noise are lower compared with the circuits operating in PSM mode. Pin Assignments ( Top View ) FB 1 6 SHDN GND 2 AP1603 5 OUT The PFM control circuit operating in 150kHz (max.) switching rate results in smaller passive components.
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