AP7340-32FS4-7

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

The AP7340-32FS4-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated. It provides a nominal output voltage of 3.2V with a maximum guaranteed output current of 150mA. The device operates within an input voltage range of 1.7V to 5.25V and maintains an output voltage accuracy of ±1% across the full operating temperature range from -40°C to +85°C. Key electrical specifications include a typical ripple rejection ratio of 75dB at 1kHz, a low quiescent current of 35µA, and an output noise voltage of 60µVrms measured between 10Hz and 100kHz.

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

• Integrated enable pin allows for precise power management control and shutdown mode activation
• CMOS-based architecture ensures high line and load transient response with minimal power consumption
• Built-in short circuit protection clamps output current to prevent thermal damage during fault conditions

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

• RF supply circuits in communication modules
• Portable video equipment power regulation
• Wireless adapter power distribution
• Camera module voltage stabilization

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

Verify that the component matches the specific AP7340-32FS4-7 designation to ensure the correct 3.2V fixed output voltage. Confirm the package type is X2-DFN1010-4 and check RoHS compliance status against the latest manufacturer documentation before finalizing procurement orders.

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

Select this regulator when a stable 3.2V rail is required with a maximum load of 150mA. Ensure the input voltage remains within the 1.7V to 5.25V operational window. Consider the low quiescent current for battery-powered designs and verify PCB layout guidelines for the X2-DFN1010-4 package to maintain stability.

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

This component belongs to the AP7340 series of low dropout regulators designed for portable electronics. The series utilizes a CMOS process to achieve high performance in a compact footprint. The AP7340-32FS4-7 variant specifically targets applications requiring a fixed 3.2V output with integrated enable functionality and robust noise rejection capabilities.

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

AP7340D-32FS4-7 serves as a functional substitute within the same family, distinguished by the inclusion of an internal auto-discharge feature on the output pin upon disable.