AP7340-285FS4-7

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

The AP7340-285FS4-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated. It provides a nominal output voltage of 2.85V 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% at 25°C, expanding to ±1.5% across the full temperature range. Key electrical specifications include a quiescent current as low as 35µA, ripple rejection of 75dB at 1kHz, and output noise of 60µVrms from 10Hz to 100kHz. The component is housed in an X2-DFN1010-4 package.

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

• Integrated enable pin for power control and shutdown management
• High ripple rejection ratio ensuring stable operation under noisy conditions
• Low output noise characteristics suitable for sensitive analog circuits
• Built-in short circuit protection 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 the specific part number suffix against official Diodes Incorporated documentation to confirm packaging quantity and reel specifications. Ensure compliance with RoHS and halogen-free requirements if mandated by project standards. Confirm availability through authorized distribution channels to avoid counterfeit components. Cross-reference datasheet revision numbers to ensure alignment with current manufacturing parameters.

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

Select this component when a fixed 2.85V rail is required with minimal footprint constraints. The X2-DFN1010-4 package supports dense PCB layouts. Consider the 150mA current limit and dropout voltage characteristics relative to the minimum input voltage. Evaluate the need for the enable function versus tying the pin to VIN for constant operation based on system power sequencing requirements.

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

This device belongs to the AP7340 series of low dropout regulators designed for low-power handheld communication equipment. The series utilizes a CMOS process to achieve high efficiency and low static current consumption. The AP7340-285FS4-7 variant specifically targets applications requiring precise voltage regulation with low noise profiles in compact form factors.

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

AP7340D-285FS4-7: Includes internal auto-discharge feature for faster output voltage decay upon shutdown.