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Product Detailed Parameters
- Description：IC REG LINEAR 2.2V 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)：2.2V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.38V @ 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
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Overview
The AP7315-22W5-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated, providing a nominal output voltage of 2.2V. It operates within an input voltage range of 1.7V to 5.25V and guarantees an output current of 150mA. The device features high ripple rejection of 75dB at 1kHz and low output noise of 60µVrms from 10Hz to 100kHz. Quiescent current is as low as 35µA. It includes an enable pin for power control and is housed in a SOT25 package.
Feature Summary
- Integrated enable pin allows precise power management by turning the regulator on or off via logic levels.
- CMOS process design ensures low quiescent current consumption suitable for battery-powered applications.
- High ripple rejection and low output noise characteristics support sensitive RF and audio subsystems.
Applications
- Smartphones and tablet devices
- RF power supply circuits
- Portable video players
- Wireless communication adapters
Procurement Notes
Verify the specific ordering suffix W5 corresponds to the SOT25 package configuration required for your PCB layout. Confirm that the non-discharge variant matches your circuit's shutdown requirements. Ensure compatibility with RoHS 3 and halogen-free manufacturing standards before finalizing procurement orders.
Selection Notes
Select this component when a stable 2.2V rail is needed with minimal footprint. The SOT25 package offers a balance between thermal dissipation and board space efficiency compared to smaller alternatives. Consider the enable pin functionality if system-level power sequencing is required.
Part Context
This part belongs to the AP7315 series of low dropout regulators designed for handheld communication equipment. The series utilizes a CMOS process to achieve high accuracy and low noise. The AP7315-22W5-7 specifically denotes the 2.2V output version packaged in SOT25.
Replacement Considerations
AP7315-22SA-7 (SOT23 package)
FAQ
Does the AP7315-22W5-7 include an internal discharge resistor?
No, the standard AP7315 does not include an auto-discharge feature. For versions with built-in discharge, the 'D' suffix must be used in the part number.
What is the recommended capacitor value for stability?
The datasheet recommends using a minimum 0.47µF ceramic capacitor on both the input and output pins to ensure stability and improve transient response.
