AP7333-25SAG-7

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

The AP7333-25SAG-7 is a fixed-output low dropout linear regulator manufactured by Diodes Incorporated. It provides a stable 2.5V output with a maximum continuous load current of 300mA. The device operates within an input voltage range of 2V to 6V and maintains a typical quiescent current of 65µA across the full load spectrum. It features a typical dropout voltage of 300mV at 300mA and offers a power supply rejection ratio (PSRR) of 65dB at 100Hz. The unit is housed in a SOT-23-3 surface-mount package, supports an ambient operating temperature from -40°C to +85°C, and includes built-in overcurrent, short-circuit, and thermal shutdown protections.

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

• Very low quiescent current consumption for efficient battery-powered applications
• Fast transient response capability supporting rapid load changes
• Integrated protection against overcurrent, short circuits, and overheating
• Stable operation utilizing small ceramic output capacitors

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

• XDSL Routers
• Wireless LAN Cards
• Battery Powered Equipments

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

Verify the specific part number suffix against official manufacturer documentation to confirm pinout compatibility and packaging type. Ensure that the ordering information matches the required output voltage and package style. Confirm compliance with relevant environmental directives such as RoHS standards before finalizing procurement orders.

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

Select this component when a fixed 2.5V rail is required with minimal ground current draw. Verify that the input voltage remains within the specified 2V to 6V range. Ensure the application load does not exceed the 300mA limit and that adequate thermal dissipation is maintained within the operating temperature constraints.

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

This device belongs to the AP7333 series of low dropout regulators designed for portable electronics. The series offers multiple fixed output voltages ranging from 1.0V to 3.3V. All variants share similar electrical characteristics, including low quiescent current and fast transient response, while differing primarily in their regulated output voltage levels.

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

Compatible substitutes include other AP7333 variants with different fixed output voltages, such as AP7333-18SAG-7 or AP7333-33SAG-7, provided the system design accommodates the alternative voltage level.

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

What is the minimum capacitance required for stable operation?

The device requires a minimum of 1µF ceramic capacitor on both the input and output pins for stability.

How does the device handle short circuit conditions?

Short circuit protection triggers when the output voltage drops below 200mV, clamping the current to approximately 100mA to prevent damage.