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Product Detailed Parameters
- Description：IC REG LINEAR 1.5V 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)：1.5V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- 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 AP7313-15SRG-7 is a fixed-output low dropout linear regulator manufactured by Diodes Incorporated. It provides a stable 1.5V output with a maximum continuous load current of 150mA. The device operates within an input voltage range of 2V to 6V and maintains stability using only a 1µF ceramic output capacitor. Key electrical parameters include a typical quiescent current of 65µA, a dropout voltage of 150mV at full load, and a power supply rejection ratio (PSRR) of 65dB at 100Hz. It features fast start-up time and excellent transient response.
Feature Summary
- Integrated thermal shutdown and current limit protection mechanisms safeguard the device against fault conditions.
- Fast transient response capability ensures stable voltage delivery during rapid load changes from standby to active modes.
- Ultra-fast start-up time allows immediate power availability without compromising low ground current consumption.
- Operates stably with small-value low ESR ceramic capacitors, facilitating compact printed circuit board layouts.
Applications
- Battery powered portable devices
- Notebook and desktop computer peripherals
- CD-ROM, DVD, and LAN cards
Procurement Notes
Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status and package marking codes match official datasheet specifications. Ensure proper handling procedures are followed for surface-mount components. Review application notes regarding PCB layout requirements for optimal performance.
Selection Notes
Select this regulator when a fixed 1.5V rail is required for low-power portable electronics. Consider its low quiescent current for battery life extension in handheld applications. Evaluate thermal dissipation capabilities based on ambient temperature and enclosure constraints. Verify compatibility with system load transient profiles requiring fast recovery times.
Part Context
This component belongs to the AP7313 family of low dropout regulators designed for space-constrained portable applications. The series offers various fixed output voltages ranging from 1.0V to 3.3V. It utilizes a CMOS process technology to achieve high efficiency and low noise characteristics suitable for sensitive analog and digital circuits.
Replacement Considerations
AP7313-15SA-7
FAQ
What type of output capacitor is recommended for stability?
A 1µF ceramic capacitor with low equivalent series resistance (ESR) is recommended. The device remains stable with capacitance values between 1µF and 4.7µF.
How does the device protect itself from overheating?
Thermal shutdown protection disables the output when the junction temperature reaches approximately +140°C. The output re-enables automatically when the temperature drops to approximately +125°C.
Is a minimum load current required for regulation?
No minimum load is required. The device remains stable and regulated even under no-load conditions.
