AP7353-18CV4-7

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

The AP7353-18CV4-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated, providing a stable 1.8V output with a maximum current capacity of 250mA. It operates within an input voltage range of 2.0V to 5.5V and features high power supply rejection ratio (PSRR) of 90dB at 1kHz. The device incorporates an enable pin for power management control and utilizes the X1-WLB0707-4 surface-mount package.

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

• Integrated enable pin allows precise power switching between active operation and shutdown modes
• High ripple rejection capability ensures clean power delivery for sensitive analog circuits
• Low quiescent current consumption extends battery life in portable electronic devices
• Built-in short-circuit protection safeguards the component during overload conditions

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

• RF power supplies
• Smartphones and tablets
• Portable media players
• Wireless communication equipment

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

Verify that the specific ordering suffix CV4 corresponds to the X1-WLB0707-4 package type required for your PCB layout. Confirm the non-discharge variant matches your circuit design needs, as discharge versions exist within the same family. Ensure compatibility with RoHS 3 compliance standards before finalizing procurement orders.

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

Select this component when a fixed 1.8V rail is required with minimal footprint constraints. The X1-WLB0707-4 package offers a compact solution compared to larger DFN options. Consider the 250mA current limit and ensure the thermal dissipation capabilities of the chosen board layout can handle the expected load without exceeding junction temperature limits.

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

This part belongs to the AP7353 series of low dropout regulators designed for handheld and wearable applications. The series emphasizes low noise and high PSRR to support demanding RF and camera modules. The CV4 suffix specifically denotes the WLB0707-4 package configuration used in this specific model.

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

AP7353D-18CV4-7 provides identical electrical performance but includes an internal output discharge resistor for faster shutdown times.