AP7375-33W5-7

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

The AP7375-33W5-7 is a wide input voltage range, low quiescent current, low-dropout linear regulator (LDO) manufactured by Diodes Incorporated. It provides a fixed output voltage of 3.3V with a maximum load current capability of 300mA. The device operates within an input voltage range of 3V to 45V and features a typical quiescent current of 2.1µA. It offers high power supply rejection ratio (PSRR) of 85dB at 1kHz and maintains excellent line and load regulation. The component is housed in a SOT25 package.

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

• Features a wide input voltage range supporting up to 45V for flexible power rail compatibility
• Includes an enable pin that accepts up to 45V to control the LDO output state
• Provides integrated short-circuit protection and thermal shutdown to prevent damage during fault conditions
• Delivers fast response times against line voltage and load current transients without overshoot

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

• Battery-powered equipment
• Smoke detectors and sensors
• Microcontroller applications
• Home appliances

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

Verify the specific ordering suffix W5 corresponds to the SOT25 package configuration required for your design. Confirm the RoHS compliance status and lead-free specifications align with your manufacturing standards. Ensure the EN pin functionality matches your system's logic levels for proper enable/disable control. Check for any automotive-grade alternatives if higher reliability standards are necessary for your application environment.

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

Select this component when a wide input voltage range up to 45V is required alongside moderate output current capabilities. The low quiescent current makes it suitable for battery-operated devices where standby power consumption must be minimized. Consider the SOT25 package size constraints and thermal dissipation requirements based on the expected voltage drop and load current. Verify that the fixed 3.3V output meets the target circuit voltage needs without requiring external adjustment resistors.

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

This part belongs to the AP7375 series of ultra-low dropout regulators designed for high-voltage input applications. The series includes various output voltage options and package types such as SOT23, SOT89, and U-DFN2020-6. The AP7375 family is engineered for efficiency in industrial and consumer electronics, offering robust protection features and stable performance across varying load and line conditions.

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

AP7375Q-33WR-7

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

What is the function of the EN pin on the AP7375-33W5-7?

The EN pin allows the user to enable or disable the LDO output. It can accept an input voltage of up to 45V to control the device state.

Does the AP7375-33W5-7 include protection features?

Yes, the device includes integrated short-circuit protection and thermal shutdown functions to prevent damage during overcurrent or excessive temperature conditions.