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Product Detailed Parameters
- Description：IC REG LINEAR 2.2V 150MA SOT23-3
- 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：-
- Protection Features：Over Current
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
Download product information
Overview
The AP7315-22SR-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated, providing a nominal output voltage of 2.2V with a maximum guaranteed output current of 150mA. It operates within an input voltage range of 1.7V to 5.25V and features a quiescent current as low as 35µA. The device achieves high ripple rejection of 75dB at 1kHz and maintains low output noise of 60µVrms from 10Hz to 100kHz. Packaged in SOT23 (SR), it supports an operating ambient temperature range from -40°C to +85°C.
Feature Summary
- Integrated enable pin for precise power management control
- High ripple rejection ratio ensuring stable performance under noisy conditions
- Low output noise characteristics suitable for sensitive analog circuits
- Built-in short circuit protection to safeguard against overcurrent events
Applications
- Smart Phone/PAD
- RF Supply
- Cameras
- Portable Videos
- Wireless Communication
Procurement Notes
Verify the specific suffix SR indicates the SOT23 package configuration when sourcing replacements. Confirm that the non-discharge variant matches system requirements regarding output capacitor discharge behavior after shutdown. Ensure compliance with RoHS directives if environmental regulations apply to the final assembly process.
Selection Notes
Select this component for applications requiring a compact footprint and low standby current consumption. The SOT23 package facilitates dense PCB layouts compared to larger alternatives. Consider the 2.2V fixed output specifically for powering components requiring this exact rail without external adjustment resistors.
Part Context
This part belongs to the AP7315 series of low dropout regulators designed for handheld communication equipment. The series offers various fixed output voltages ranging from 1.1V to 3.3V. It utilizes a CMOS process to achieve low on-resistance and high power supply rejection ratios across different load conditions.
Replacement Considerations
AP7315-22SA-7
FAQ
Does the AP7315-22SR-7 include an internal discharge resistor?
No, the standard AP7315-22SR-7 does not feature an auto-discharge function. For versions with built-in discharge, the 'D' suffix must be included in the part number.
What is the minimum recommended input voltage for this regulator?
The minimum recommended input voltage is 1.7V, although proper regulation requires VIN to remain above VOUT plus the dropout voltage.
