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Product Detailed Parameters
- Description：IC REG LINEAR 1.35V 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)：1.35V
- 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
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Overview
The AP7315-135W5-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated, providing a nominal output voltage of 1.35V with a maximum guaranteed output current of 150mA. It operates within an input voltage range of 1.7V to 5.25V and features a typical ripple rejection ratio of 75dB at 1kHz. The device incorporates an enable pin for power control and utilizes a CMOS process architecture. It is housed in a surface-mount SOT25-5 package.
Feature Summary
- Integrated enable input allows for precise power management and shutdown control
- High ripple rejection capability ensures stable performance in noise-sensitive environments
- Low quiescent current design supports extended battery life in portable applications
Applications
- Smartphones and tablet devices
- RF supply circuits
- Portable video players
- Wireless communication adapters
Procurement Notes
Verify the specific ordering suffix W5 corresponds to the required SOT25 package configuration. Confirm that the 1.35V fixed output voltage aligns with the target circuit requirements. Ensure compliance with RoHS directives and lead-free manufacturing standards as specified in the datasheet documentation before finalizing procurement orders.
Selection Notes
Select this component when a stable 1.35V rail is required from a single-cell lithium-ion source or similar low-voltage supply. The SOT25 package offers a compact footprint suitable for dense PCB layouts. Consider the 150mA current limit and dropout characteristics to ensure adequate headroom for the intended load conditions.
Part Context
This part belongs to the AP7315 series of low dropout regulators designed for handheld communication equipment. The series provides various fixed output voltages ranging from 1.1V to 3.3V. The AP7315-135W5-7 specifically denotes the 1.35V output variant packaged in SOT25 format.
Replacement Considerations
AP7315D-135W5-7 (includes output discharge feature)
FAQ
What is the function of the EN pin on the AP7315-135W5-7?
The EN pin serves as an enable input. Driving it high turns the regulator on, while pulling it low activates shutdown mode.
Does the AP7315-135W5-7 include an internal output discharge resistor?
No, the standard AP7315 variant does not include an auto-discharge feature. The AP7315D variant includes this functionality.
