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Product Detailed Parameters
- Description：IC REG LINEAR 3V 150MA SOT-353
- 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)：3V
- 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：5-TSSOP, SC-70-5, SOT-353
- Supplier Device Package：SOT-353
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Overview
The AP7115-30SEG-7 is a fixed-output low dropout linear regulator manufactured by Diodes Incorporated. It provides a 3.0V output with a maximum current of 150mA and operates within an input voltage range of 2.5V to 5.5V. The device features a typical quiescent current of 50µA and includes built-in current limit, thermal shutdown, and short circuit protection. It is housed in a SOT353 package.
Feature Summary
- Integrated shutdown control via the EN pin for power management
- Built-in thermal shutdown and current limit protection circuits
- Low dropout voltage operation suitable for battery-powered applications
Applications
- Wireless communication devices
- GSM/GPRS cellular phones
- Handheld mobile devices
- Battery powered devices
- PC and notebook peripherals
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance and lead-free status against current regulatory standards. Ensure proper handling procedures are followed during storage and assembly to maintain device integrity.
Selection Notes
Select this component for designs requiring a fixed 3.0V rail from a 2.5V to 5.5V source. Consider the SOT353 package constraints and thermal dissipation requirements. Evaluate the need for external capacitors based on load transient response specifications.
Part Context
This part belongs to the AP7115 series of 150mA low dropout linear regulators. It is designed for portable electronics where low quiescent current and small form factor are critical. The series offers various fixed output voltages and packaging options.
Replacement Considerations
The datasheet explicitly states that the AP7115 is not recommended for new design and recommends using the AP7315 as a replacement.
FAQ
What is the function of the EN pin?
The EN pin serves as the chip enable control. Pulling it low shuts down the device, while driving it high turns it on.
How does the device handle over-temperature conditions?
The AP7115 includes thermal shutdown protection that turns off the pass element when the junction temperature exceeds +155°C.
