AP7351D-08FS4-7B

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

The AP7351D-08FS4-7B is a low dropout regulator with high output voltage accuracy. It includes a voltage reference, error amplifier, current limit circuit and an enable input to turn it on/off. With the integrated resistor network, fixed output voltage versions can be delivered. The device provides an ultra-low quiescent current of 0.5µA typical and standby current of 0.02µA typical. It operates within a wide VIN range from 1.4V to 5.5V and guarantees an output current of 150mA. The output voltage is fixed at 0.8V with ±1% accuracy. Ripple rejection is up to 60dB at 1kHz. It is available in X2-DFN1010-4 (Type B) package.

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

• Ultra-low quiescent current for extended battery life
• Integrated enable pin for power management
• High output voltage accuracy across temperature ranges
• Active output discharge for safe shutdown

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

• Wearable Electronics
• Sensor Module for Internet-Of-Things (IOT)
• Wireless Communication Module
• Battery-Operated Device
• Camera
• Image Sensor

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

Verify the specific ordering suffix FS4-7B corresponds to the X2-DFN1010-4 (Type B) package and tape & reel packaging configuration. Confirm that the 08 designation correctly specifies the 0.8V fixed output voltage variant. Ensure compatibility with the required PCB footprint and thermal dissipation requirements associated with this small outline package type.

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

Select this component when designing low-power handheld or wearable devices requiring precise voltage regulation. The ultra-low quiescent current makes it suitable for applications needing extended battery replacement intervals. Consider the 0.8V fixed output and 150mA capability against load requirements. Verify input voltage stability within the 1.4V to 5.5V range for optimal performance.

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

This part belongs to the AP7351D series of low dropout regulators manufactured by Diodes Incorporated. The series is designed for low-power applications such as handhelds and wearables. It features CMOS process technology providing high PSRR and low output noise. The family offers various fixed output voltages and packages including SOT25 and X2-DFN1010-4.

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

AP7351D-08W5-7