AP7341-12FS4-7

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

The AP7341-12FS4-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated, providing a nominal output voltage of 1.2V with a maximum guaranteed output current of 300mA. It operates within an input voltage range of 1.7V to 5.25V and features high ripple rejection of 75dB at 1kHz alongside low output noise of 60µVrms from 10Hz to 100kHz. The device incorporates an enable pin for power management, maintains quiescent current as low as 35µA, and utilizes an X2-DFN1010-4 package.

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

• Integrated enable control circuitry allows the regulator to be turned on or off via the EN pin, facilitating system power management.
• CMOS-based architecture delivers high output voltage accuracy and low on-resistance for efficient power delivery.
• Built-in short-circuit protection clamps output current during fault conditions to prevent thermal damage.

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

• Smart Phone/Pad
• RF Supply
• Cameras
• Portable Video
• Wireless Communication

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

Verify that the specific part number matches the required output voltage and package configuration before procurement. Confirm compliance with RoHS and halogen-free requirements if environmental standards are mandated. Ensure the ordering suffix corresponds to the desired tape and reel packaging quantity. Cross-reference datasheet revision numbers to guarantee alignment with latest electrical characteristics.

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

Select this component when a stable 1.2V rail is required for sensitive analog or RF circuits in portable devices. Consider the low dropout performance and high PSRR for applications demanding clean power from fluctuating sources. Evaluate the small footprint against available PCB space constraints. Verify that the load current does not exceed the 300mA limit under all operating temperature conditions.

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

This device belongs to the AP7341 series of low dropout regulators designed for low power handheld communication equipment. The series offers various fixed output voltages ranging from 1.1V to 3.3V within the same compact X2-DFN1010-4 package. It is engineered for dense PCB layouts while maintaining high efficiency and stability across wide input voltage ranges.

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

AP7341D-12FS4-7