AP7370-12WR-7

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

The AP7370-12WR-7 is a positive fixed-output low dropout regulator from Diodes Incorporated, providing a nominal 1.2V output with a maximum current capacity of 300mA. It operates within an input voltage range of 3.2V to 18V and features a typical dropout voltage of 250mV at 300mA load. The device is housed in a space-saving SOT-25 (WR) surface-mount package. Designed for high accuracy, it includes integrated thermal shutdown, short-circuit protection, and reverse current blocking capabilities.

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

• Ultra-low quiescent ground current for extended battery life
• Integrated reverse current protection prevents backflow
• Robust protection against thermal overload and short circuits
• Compatible with standard low ESR ceramic capacitors

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

• Battery-powered portable equipment
• Laptop and notebook computer power systems
• Portable information appliances
• Precision metering instruments

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

This component is officially designated as Not Recommended for New Design by the manufacturer. Procurement should be limited to existing inventory or maintenance upgrades only. Verify that the specific WR suffix corresponds to the required SOT-25 pinout configuration before integration into any legacy hardware.

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

Select this part only when utilizing existing designs requiring a 1.2V rail with wide input tolerance. Evaluate the 300mA output limit against peak load requirements. Consider the SOT-25 footprint constraints and ensure adequate thermal dissipation for the operating junction temperature range.

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

The AP7370 series represents a family of wide-input voltage regulators designed for portable electronics. This specific model utilizes the WR variant of the SOT-25 package, which differs in pin assignment from other SOT-25 versions like W5 or WW. It serves as a compact solution for applications demanding stable voltage regulation under varying supply conditions.

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

Diodes Incorporated recommends using the AP7375 series as a direct replacement for new designs. Verify that the substitute part number matches the required output voltage and physical package dimensions.