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Product Detailed Parameters
- Description：IC REG LINEAR 3V 150MA SOT-25
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：6V
- Voltage - Output (Min/Fixed)：3V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.3V @ 150mA
- Current - Output：150mA
- Current - Quiescent (Iq)：75 µA
- Current - Supply (Max)：85 µA
- PSRR：65dB (100Hz)
- Control Features：Enable
- Protection Features：Over Current, Over Temperature, Short Circuit
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-25
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Overview
The AP7311-30WG-7 is a fixed-output low dropout linear regulator manufactured by Diodes Incorporated. It provides a stable 3.0V output with a maximum load current of 150mA. The device operates within an input voltage range of 2V to 6V and features a typical quiescent current of 65µA at full load. It includes an enable pin for power control, offering fast start-up times of approximately 80µs. The regulator maintains stability with low ESR ceramic capacitors as small as 1µF. Built-in protections include current limiting, short-circuit protection, and thermal shutdown.
Feature Summary
- Integrated enable pin allows active high logic control for power management
- Fast transient response capability supports rapid load changes without significant voltage deviation
- Operates stably with minimal external capacitance using standard ceramic components
- Includes internal circuitry for current limiting, short-circuit protection, and thermal shutdown
Applications
- Battery powered devices
- Portable devices
- Notebook and desktop computers and peripherals
- CD-ROM, DVD and LAN cards
Procurement Notes
Verify the specific suffix WG-7 confirms the SOT25 package, Green molding compound, and Tape & Reel packaging format. Confirm the '30' designation corresponds to the fixed 3.0V output voltage option. Ensure compliance requirements match project specifications regarding RoHS directives and lead-free finish standards before finalizing procurement orders.
Selection Notes
Select this component when a fixed 3.0V rail is required from a 2V to 6V source. It is suitable for applications needing low ground current consumption and fast startup times. Ensure the PCB layout accommodates the SOT25 footprint and that input/output capacitors meet the recommended 1µF minimum value for stability under varying load conditions.
Part Context
This part belongs to the AP7311 series of low dropout regulators designed for portable electronics. The series offers both adjustable and fixed output options in a compact SOT25 package. The AP7311-30 variant specifically targets applications requiring a precise 3.0V supply with efficient power management characteristics suitable for battery-operated systems.
Replacement Considerations
AP7311-33WG-7 (Fixed 3.3V Output)
FAQ
What is the reference voltage used for the adjustable version?
The internal reference voltage for the adjustable version is 0.4V.
How does the device handle short-circuit conditions?
Short-circuit protection triggers when the output voltage drops below 200mV, clamping the output current to approximately 50mA.
