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Product Detailed Parameters
- Description：IC REG LINEAR 1.2V 150MA SOT-25
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：5.25V
- Voltage - Output (Min/Fixed)：1.2V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.64V @ 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 AP7315-12W5-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated. It provides a nominal output voltage of 1.2V with a guaranteed maximum output current of 150mA. The device operates within an input voltage range of 1.7V to 5.25V and features high power supply rejection ratio (PSRR) of 75dB at 1kHz, alongside low output noise of 60µVrms from 10Hz to 100kHz. Quiescent current is specified as low as 35µA. It includes an enable pin for power control and short-circuit protection. The component is housed in a SOT25 package.
Feature Summary
- CMOS-based architecture providing high output voltage accuracy and low on-resistance
- Integrated enable input allowing precise power management and shutdown control
- High ripple rejection and low output noise suitable for sensitive RF applications
- Built-in short circuit protection to safeguard against overcurrent conditions
Applications
- Smart Phone/PAD
- RF Supply
- Cameras
- Portable Videos
- Wireless Communication
Procurement Notes
Verify the specific ordering suffix 'W5' corresponds to the SOT25 package configuration required for your PCB layout. Confirm that the 'Blank' discharge option matches your system's power-down requirements, as 'D' variants include auto-discharge. Ensure compliance with RoHS and Halogen-free specifications if mandated by your design standards. Cross-reference the datasheet revision DS38352 Rev. 2 - 2 for the most current electrical characteristics.
Selection Notes
Select this component when a stable 1.2V rail is needed with minimal footprint in portable devices. The SOT25 package offers a balance between thermal dissipation and board space efficiency compared to smaller packages. Consider the 150mA current limit for load requirements; higher currents may require alternative regulators. Verify input voltage stability to ensure operation remains within the 1.7V minimum threshold during all operating conditions.
Part Context
This part belongs to the AP7315 series of low dropout regulators designed for low power handheld communication equipment. The series utilizes a CMOS process to achieve low quiescent current and high PSRR. The AP7315 family is available in multiple output voltages ranging from 1.1V to 3.3V and various packages including X2-DFN1010-4, SOT23, and SOT25 to accommodate different density and thermal needs.
Replacement Considerations
AP7315-12SA-7: Identical electrical specifications but packaged in SOT23 instead of SOT25.
FAQ
What is the function of the EN pin?
The EN pin is an enable input used to turn the regulator on or off. Driving it high enables the regulator, while pulling it low puts the device into shutdown mode. It must not be left floating.
Does the AP7315-12W5-7 have an internal discharge resistor?
No, the standard AP7315 variant does not include an auto-discharge feature. If output discharge upon shutdown is required, the AP7315D-12W5-7 variant should be selected.
