AP738x Wide Input Voltage Micropower LDO Regulators

10 June, 2019

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Diodes’ AP738x regulators maximize system run time with extremely low quiescent current

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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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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