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Product Detailed Parameters
- Description：IC REG LINEAR 1.2V 150MA SOT-25
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：1.2V
- 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 AP7115-12WG-7 is a fixed-output linear regulator manufactured by Diodes Incorporated, providing a stable 1.2V output at up to 150mA. It operates within an input voltage range of 2.5V to 5.5V and features a typical dropout voltage of 200mV at full load. The device maintains ±2% output voltage accuracy with a low quiescent current of approximately 50µA. Integrated protections include current limiting, thermal shutdown, and short-circuit protection. It is housed in a lead-free SOT-25 package.
Feature Summary
- Includes integrated current-limit, thermal-shutdown, and short-circuit protection circuits for enhanced reliability.
- Features a dedicated chip enable (EN) pin that allows for precise power management and system shutdown control.
- Utilizes a band-gap bypass (BP) pin to reduce output voltage noise when connected to a capacitor.
Applications
- Wireless communication modules
- GSM/GPRS cellular phones
- Handheld mobile devices
- Battery powered devices
Procurement Notes
Verify the component datasheet revision and ordering suffixes carefully before procurement. Confirm that the specific package variant matches the required PCB footprint. Ensure compliance with environmental directives such as RoHS and REACH requirements. Check for any product change notifications regarding material updates or manufacturing location changes prior to finalizing orders.
Selection Notes
Select this component for applications requiring a fixed 1.2V rail from a 2.5V to 5.5V supply source. Consider the 150mA maximum output current and 200mV dropout voltage for battery-powered designs. Evaluate the need for the shutdown feature and ensure appropriate input/output capacitors are used for stability. Verify thermal dissipation capabilities based on the expected ambient temperature and load conditions.
Part Context
The AP7115 series belongs to Diodes Incorporated's portfolio of low dropout linear regulators designed for portable electronics. This specific model provides a fixed 1.2V output in a compact SOT-25 package. The series is characterized by low quiescent current and high power supply rejection ratio, making it suitable for noise-sensitive wireless and mobile applications.
Replacement Considerations
The datasheet explicitly states that the AP7115 is not recommended for new design and recommends using the AP7315 instead. Designers should evaluate the AP7315 series as a direct replacement for updated projects.
