AP738x Wide Input Voltage Micropower LDO Regulator

By Diodes Incorporated 73

AP738x Wide Input Voltage Micropower LDO Regulator

Diodes’ AP7383 and AP7384 regulators feature ultra-low quiescent current (micropower), wide input voltage range (AP7383 up to 30 V, AP7384 up to 40 V), and low dropout (LDO). This, combined with their high accuracy (1% tolerance), makes them ideal for use in various USB and portable devices.

The AP7383 is available in 1.8 V, 3.0 V, 3.3 V, 3.6 V, 4.15 V, 4.4 V, and 5.0 V fixed output voltage versions. All variants are available in the space-saving SOT25 (with and without enable) and SOT89 (without enable) packages in green molding and are RoHS compliant.

The AP7484 is available in 2.8 V, 3.3 V, 5 V, and 7 V fixed output voltage version.

All variants are available in the space-saving SOT23, SOT89, and TO92 packages in green molding and are RoHS compliant.

Features
  • Wide input voltage: 3.5 V to 30 V for AP7383 and 3.5 V to 40 V for AP7384
    • Covers 5 V, 9 V, and 12 V power rails
  • Wide output voltage: 1.8 V to 5 V for AP7383 and 2.8 V to 7 V for AP7384
    • Covers standard I/O voltage levels
  • Low quiescent current at 1.8 µA for AP7383 and 2.5 µA for AP7384
    • Extends battery life in battery operated products
    • Minimizes standby power in low-power systems
  • Two pinouts in SOT25 and SOT89 for AP7383; SOT23, SOT89, and TO92 for AP7384
    • Matches industry standard footprints
    • Enable function extends battery life even further
  • 1.0% output accuracy at room temperature
    • Maintains accuracy under all conditions
  • Built-in overtemperature protection (OTP) function
    • Protects system from overtemperature conditions
Applications
  • Battery-powered equipment
  • Tablets
  • Ruggedized PCs
  • Notebook computers
  • Portable information appliances
  • Meters

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