AP7384-33SA-7

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The AP7384-33SA-7 is a positive fixed-output low dropout regulator from Diodes Incorporated, providing a stable 3.3V output with a maximum current capacity of 50mA. It supports an input voltage range from 3.3V to 40V and features a typical dropout voltage of 500mV at full load. The device incorporates thermal shutdown and short-circuit protection mechanisms. It operates within a junction temperature range of -40°C to +125°C and utilizes a compact SOT-23 surface-mount package.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Wide input voltage range supporting up to 40V for flexible power supply integration
• Ultra-low quiescent ground current for efficient battery-powered applications
• Integrated thermal shutdown and short-circuit protection for enhanced reliability
• Compatible with low ESR ceramic capacitors for simplified circuit design

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• E-meters
• Battery-powered equipment
• Laptop, palmtops, and notebook computers
• Portable information appliances

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific ordering suffix 'SA' corresponds to the SOT-23 package configuration required for your PCB layout. Confirm that the '-7' packing suffix aligns with tape-and-reel handling capabilities in your assembly line. Ensure component authenticity through authorized distribution channels to maintain compliance with RoHS and REACH standards specified by the manufacturer.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this regulator when a wide input voltage range up to 40V is required alongside a fixed 3.3V output. Consider its 50mA current limit and 500mV dropout voltage for applications where input-to-output differential may be minimal. Evaluate the SOT-23 footprint against available board space constraints and verify thermal management requirements based on expected ambient temperatures and load currents.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This component belongs to the AP7384 series of ultra-low dropout regulators designed for USB and portable devices. The series offers multiple fixed voltage options including 2.8V, 3.3V, 5V, and 7V. It is manufactured by Diodes Incorporated and is part of their PMIC portfolio, specifically targeting space-saving applications requiring high accuracy and low ground current consumption.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

The datasheet explicitly states that the AP7384 series is not recommended for new designs and advises using the AP7375 as a replacement.