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Product Detailed Parameters
- Description：IC REG LINEAR 2.85V 150MA SOT-25
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：5.25V
- Voltage - Output (Min/Fixed)：2.85V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.29V @ 150mA
- Current - Output：150mA
- Current - Quiescent (Iq)：60 µA
- Current - Supply (Max)：100 µA
- PSRR：75dB (1kHz)
- Control Features：Enable
- Protection Features：Over Current
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-25
Download product information
Overview
The AP7315-285W5-7 is a low dropout regulator manufactured by Diodes Incorporated, featuring a fixed output voltage of 2.85V and packaged in SOT25. It supports an input voltage range from 1.7V to 5.25V and guarantees an output current of 150mA. The device provides high output voltage accuracy with a tolerance of ±1% at room temperature. It incorporates a CMOS process architecture that includes a voltage reference, error amplifier, current limit circuit, and an enable input for power control.
Feature Summary
- Integrates an enable pin to actively turn the regulator on or off, allowing for precise power management and shutdown mode control.
- Features built-in short-circuit protection that clamps the output current during fault conditions to prevent device damage.
- Utilizes an integrated resistor network to deliver fixed output voltage versions without requiring external feedback components.
Applications
- Smart Phone/PAD
- RF Supply
- Cameras
- Portable Videos
- Wireless Communication
Procurement Notes
Verify the specific package code W5 corresponds to the SOT25 footprint required for your PCB layout before ordering. Confirm the fixed output voltage matches the system requirement of 2.85V. Ensure the EN pin is properly biased according to the datasheet thresholds to maintain stable operation. Check for compliance with RoHS directives if environmental regulations apply to your manufacturing process.
Selection Notes
Select this component when a fixed 2.85V rail is needed with a maximum load of 150mA. The SOT25 package offers a compact solution suitable for dense layouts. Consider the low quiescent current for battery-powered applications. Verify that the input voltage remains within the 1.7V to 5.25V range under all operating conditions to ensure proper regulation.
Part Context
This part belongs to the AP7315 series of low dropout regulators designed for low power handheld communication equipment. The series is characterized by high PSRR and low output noise, making it suitable for sensitive analog and RF subsystems. It is based on a CMOS process and is available in multiple packages including X2-DFN1010-4, SOT23, and SOT25.
Replacement Considerations
Public confirmed substitute part numbers are not provided in the source material.
FAQ
What is the function of the EN pin?
The EN pin is used to turn the regulator on and off. Driving it high enables the regulator, while pulling it low puts the device into shutdown mode. It must not be left floating.
How does the device handle short circuits?
When the VOUT pin is shorted to ground, short circuit protection triggers and clamps the output current to approximately 60mA to protect the regulator from overheating.
