AP7353-33FS4-7

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

The AP7353-33FS4-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated. It provides a nominal output voltage of 3.3V with a maximum guaranteed output current of 250mA. The device operates within an input voltage range of 2.0V to 5.5V and features high power supply rejection ratio (PSRR) performance, achieving 90dB at 1kHz and 70dB at 10kHz under specified load conditions. Output noise is maintained at 10µVrms from 10Hz to 100kHz. Quiescent current is typically 18µA, while standby current drops to 0.1µA when disabled. The unit utilizes the X2-DFN1010-4 package.

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

• Integrated enable pin for precise power management control
• High ripple rejection capability across varying frequencies
• Ultra-low output noise suitable for sensitive analog circuits
• Built-in short-circuit protection and thermal shutdown

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

• Smartphones and tablets
• RF power supplies
• Cameras
• Portable video devices
• Wireless communication equipment

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

Verify that the specific part number matches the required package type and output voltage configuration. Confirm compliance with RoHS directives and environmental standards before procurement. Ensure proper handling procedures are followed due to moisture sensitivity classification. Validate supplier authenticity through authorized distribution channels.

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

Select this component for applications requiring stable voltage regulation with minimal footprint. Consider the X2-DFN1010-4 package for dense PCB layouts. Evaluate thermal dissipation requirements based on ambient temperature and load conditions. Ensure adequate input and output capacitance is utilized for stability.

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

This component belongs to the AP7353 series of low dropout regulators designed for handheld and wearable electronics. The series offers various fixed output voltages and packaging options to accommodate different design constraints. It is engineered for battery-powered systems requiring efficient power management.

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

AP7353D-33FS4-7 serves as a direct substitute featuring integrated output discharge capabilities.