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Product Detailed Parameters
- Description：IC REG LINEAR 3V 150MA SOT23R
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：-
- Protection Features：Over Current, Over Temperature, Short Circuit
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT23R
Download product information
Overview
The AP7313-30SRG-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 maintains a typical quiescent current of 65µA across the full load spectrum. It features a typical dropout voltage of 150mV at 150mA and offers a power supply rejection ratio of 65dB at 100Hz. The component is housed in a SOT-23R package, supports an ambient operating temperature from -40°C to +85°C, and includes built-in current limit, short circuit, and thermal shutdown protections.
Feature Summary
- Ultra-fast start-up time of approximately 80µs enables rapid transitions between active and standby modes.
- Stable operation is maintained using low ESR ceramic capacitors as small as 1µF for both input and output stages.
- Integrated protection mechanisms include current limiting, thermal shutdown, and short-circuit protection to prevent damage during fault conditions.
Applications
- Battery powered devices
- Portable Devices
- Notebook and Desktop Computers and Peripherals
- CD-ROM, DVD and LAN Cards
Procurement Notes
Verify that the specific ordering suffix matches the required package type and environmental compliance standards. Confirm the output voltage code corresponds to the exact system requirement. Ensure the supplier source is authorized to guarantee product authenticity and adherence to RoHS directives. Cross-reference the datasheet revision date against manufacturing lot codes to ensure consistency with design specifications.
Selection Notes
Select this component when a fixed 3.0V rail is required with minimal ground current consumption. The wide input voltage range accommodates single-cell battery applications. Verify that the PCB layout allows for close placement of bypass capacitors to maintain stability. Consider the thermal resistance characteristics if high ambient temperatures or continuous maximum loads are expected in the final enclosure design.
Part Context
This part belongs to the AP7313 series of low dropout regulators designed for portable electronics. The series offers various fixed output voltages ranging from 1.0V to 3.3V. The SRG suffix indicates the SOT-23R package variant with Green molding compound and tape-and-reel packaging. It serves as a compact power management solution for space-constrained mobile and peripheral hardware designs.
Replacement Considerations
AP7313-30SAG-7 (SOT-23 package)
FAQ
What is the minimum capacitance required for stable operation?
The device requires a minimum of 1µF ceramic capacitor on both the input and output pins to ensure stability and proper transient response.
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 to protect the regulator from overheating.
