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Product Detailed Parameters
- Description：IC REG LINEAR 3V 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)：3V
- 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
- Grade：-
- Qualification：-
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Overview
The AP7315D-30W5-7 is a low dropout regulator manufactured by Diodes Incorporated, featuring an integrated resistor network for fixed output voltage. It operates within an input voltage range of 1.7V to 5.25V and provides a guaranteed output current of 150mA. The device delivers a fixed 3.0V output with high accuracy and includes an enable pin for power control. It incorporates auto-discharge functionality to rapidly reduce the output voltage when disabled. Packaged in SOT25, it supports operation from -40°C to +85°C.
Feature Summary
- Features high ripple rejection and low output noise suitable for sensitive RF subsystems
- Includes an enable pin allowing precise on/off control and shutdown mode
- Integrates auto-discharge circuitry to quickly remove residual charge upon disable
- Provides high output voltage accuracy across wide temperature ranges
Applications
- Smart Phone/PAD
- RF Supply
- Cameras
- Portable Videos
- Wireless Communication
Procurement Notes
Verify that the specific suffix W5 corresponds to the SOT25 package type required for your PCB layout. Confirm the D suffix indicates the inclusion of the auto-discharge feature, as this affects behavior during shutdown states. Ensure the EN pin is driven correctly to avoid floating conditions. Check RoHS compliance documentation if environmental regulations apply to your manufacturing process.
Selection Notes
Select this component when a fixed 3.0V rail is needed with minimal footprint. The SOT25 package offers a balance between thermal performance and space efficiency. Consider the auto-discharge feature if rapid output voltage decay is necessary after system shutdown. Verify that the input voltage remains within the specified 1.7V to 5.25V range under all operating conditions.
Part Context
This part belongs to the AP7315 family of low dropout regulators designed for low-power handheld communication equipment. The series utilizes CMOS technology to achieve low quiescent current and high PSRR. The AP7315D variant specifically adds output discharge capabilities compared to standard versions, enhancing safety and power management in portable devices.
Replacement Considerations
AP7315-30W5-7 (Non-discharge version)
FAQ
What is the function of the 'D' suffix in the part number?
The 'D' suffix indicates that the regulator includes an internal auto-discharge resistor connected to the output, which rapidly pulls the output voltage down when the enable pin is low.
How does the enable pin operate?
Driving the EN pin high turns the regulator on, while pulling it low activates shutdown mode. The pin must not be left floating to ensure proper operation.
