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Product Detailed Parameters
- Description：IC REG LINEAR 1.8V 150MA SOT-25
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：1.8V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.3V @ 150mA
- Current - Output：150mA
- Current - Quiescent (Iq)：80 µA
- Current - Supply (Max)：-
- PSRR：70dB (1kHz)
- Control Features：Enable
- Protection Features：Over Current, Over Temperature
- 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 AP7115-18WG-7 is a fixed-output low dropout linear regulator manufactured by Diodes Incorporated. It provides a stable 1.8V output with a maximum current of 150mA. The device operates within an input voltage range of 2.5V to 5.5V and features a typical quiescent current of 50µA. It includes built-in current limit, thermal shutdown, and short circuit protection. The component is housed in a SOT25-5 surface-mount package.
Feature Summary
- Integrated high-side PMOS pass element for efficient power regulation
- Built-in thermal shutdown and current limit protection circuits
- Low quiescent current consumption suitable for battery-powered applications
- High power supply rejection ratio for noise reduction
Applications
- Wireless communication modules
- GSM/GPRS cellular phones
- Handheld mobile devices
- Battery powered portable electronics
- PC and notebook peripherals
Procurement Notes
Verify the specific ordering suffix 'W' corresponds to the SOT25 package and '-7' indicates tape and reel packaging. Confirm RoHS compliance status as per manufacturer documentation. Ensure the design accounts for the 'Not Recommended for New Design' notice by evaluating the recommended AP7315 alternative if applicable.
Selection Notes
Select this component when a fixed 1.8V rail is required from a 2.5V to 5.5V source. Consider the 150mA output capability and 50µA quiescent current for low-power designs. Verify that the SOT25 package fits the PCB layout constraints. Evaluate the need for the EN pin functionality for system power management.
Part Context
This part belongs to the AP7115 series of low dropout linear regulators. It is designed for portable electronic applications requiring stable voltage regulation from single-cell batteries or USB sources. The series offers various fixed output voltages ranging from 1.0V to 3.5V.
Replacement Considerations
The datasheet explicitly recommends using the AP7315 as a replacement. Verify compatibility regarding output voltage, current rating, and package dimensions before substitution.
