AP7354-185FS4-7

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

The AP7354-185FS4-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated, delivering a precise 1.85V output with a maximum guaranteed load current of 150mA. It operates within an input voltage range of 2.0V to 5.5V and maintains high accuracy with ±1% tolerance at +25°C. The device features ultra-low quiescent current of 0.25µA and standby current of 0.02µA. Packaged in the compact X2-DFN1010-4 (Type B) format, it includes an enable pin for power management and supports operation from -40°C to +85°C.

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

• Ultra-low quiescent and standby currents designed to extend battery life in portable applications
• Integrated enable control pin allowing precise power switching and shutdown capabilities
• High output voltage accuracy ensuring stable regulation across varying line and load conditions
• Robust protection mechanisms including ESD protection exceeding JESD 22 standards

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

• Wearable electronics requiring extended battery endurance
• Sensor modules for Internet-of-Things (IoT) devices
• Wireless communication modules
• Battery-operated handheld devices

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

Verify the specific package type matches the design requirements, as the AP7354 series is available in multiple form factors. Confirm that the ordering suffix corresponds exactly to the desired output voltage and packaging configuration. Ensure compliance with RoHS and lead-free specifications if required by the target market regulations. Cross-reference the datasheet revision to confirm all electrical characteristics align with the current production version.

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

Select this component when a fixed 1.85V rail is needed with minimal static power consumption. The X2-DFN1010-4 package offers a small footprint suitable for dense PCB layouts. Verify that the input voltage remains above the dropout threshold for the expected load current. Consider the thermal resistance of the chosen package if operating near maximum current limits or elevated temperatures.

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

This part belongs to the AP7354 family of ultra-low quiescent current LDOs from Diodes Incorporated. The family provides various fixed output voltages ranging from 1.1V to 4.5V. The 'FS4' suffix specifically denotes the X2-DFN1010-4 (Type B) package variant. Other variants in the series include SOT23 and SOT25 packages, catering to different space and thermal constraints.

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

AP7354D-185FS4-7 serves as a direct substitute featuring built-in output discharge capability.