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Product Detailed Parameters
- Description：IC REG LINEAR 1.5V 150MA SOT23-3
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：5.25V
- Voltage - Output (Min/Fixed)：1.5V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.49V @ 150mA
- Current - Output：150mA
- Current - Quiescent (Iq)：60 µA
- Current - Supply (Max)：100 µA
- PSRR：75dB (1kHz)
- Control Features：-
- Protection Features：Over Current
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
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Overview
The AP7315-15SR-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated, providing a stable 1.5V output with a maximum current of 150mA. It operates within an input voltage range of 1.7V to 5.25V and features a quiescent current as low as 35µA. The device includes an enable pin for power control and offers high ripple rejection of 75dB at 1kHz alongside low output noise of 60µVrms. Packaged in the SOT23 format (suffix SR), it supports operation from -40°C to +85°C.
Feature Summary
- CMOS-based architecture delivering high output voltage accuracy and low on-resistance
- Integrated enable input allowing precise power management and shutdown capabilities
- High ripple rejection ratio combined with minimal output noise for sensitive applications
- Built-in short circuit protection to safeguard against overcurrent conditions
Applications
- Smartphones and tablet devices
- RF supply circuits
- Portable video players
- Wireless communication adapters
Procurement Notes
Verify the specific ordering suffix 'SR' corresponds to the required SOT23 package variant during procurement. Confirm that the fixed 1.5V output aligns with system requirements. Ensure compatibility with standard surface mount assembly processes. Check for RoHS compliance documentation if environmental regulations apply to the final product deployment.
Selection Notes
Select this component when a compact solution is needed for low-power handheld electronics requiring stable 1.5V rails. The SOT23 package suits space-constrained PCB layouts. Consider the 150mA current limit for peripheral power needs. Evaluate the low quiescent current benefit for battery-operated systems extending operational life.
Part Context
This part belongs to the AP7315 series of low dropout regulators designed for portable consumer electronics. The series utilizes CMOS technology to achieve high performance in small packages like SOT23 and X2-DFN1010-4. It targets markets demanding efficient power management with minimal footprint for modern mobile devices.
Replacement Considerations
Consult official manufacturer documentation for qualified substitute part numbers. Verify pinout compatibility and electrical specifications before replacing components in existing designs.
