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Product Detailed Parameters
- Description：IC REG LINEAR 1.1V 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)：1.1V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.64V @ 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
Download product information
Overview
The AP7315-11SR-7 is a low dropout regulator manufactured by Diodes Incorporated, featuring a fixed 1.1V output voltage and SOT23 packaging. It operates within an input voltage range of 1.7V to 5.25V and guarantees a continuous output current of 150mA. The device provides high output voltage accuracy with a tolerance of ±1% at room temperature. It achieves a ripple rejection ratio of 75dB at 1kHz and maintains a low output noise of 60µVrms from 10Hz to 100kHz. Quiescent current is specified as low as 35µA.
Feature Summary
- CMOS-based architecture providing high output voltage accuracy and low on-resistance
- Integrated enable pin for power control and built-in short circuit protection
- Low output noise and high ripple rejection suitable for sensitive subsystems
- RoHS compliant construction without intentionally added lead
Applications
- Smart Phone/PAD
- RF Supply
- Cameras
- Portable Videos
- Wireless Communication
Procurement Notes
Verify the specific ordering suffix SR corresponds to the SOT23 package configuration required for your design. Confirm that the non-discharge variant aligns with your system's shutdown requirements. Ensure component authenticity through authorized distribution channels. Validate compliance with applicable environmental directives before final integration into production hardware.
Selection Notes
Select this component when a stable 1.1V rail is required for low-power portable electronics. The SOT23 package offers a compact footprint for dense PCB layouts. Consider the 150mA current capability against peak load demands. Evaluate the 1.7V minimum input voltage against your battery discharge curve to ensure adequate headroom during operation.
Part Context
This part belongs to the AP7315 series of low dropout regulators designed for handheld communication equipment. The series utilizes a CMOS process to achieve low quiescent current and high power supply rejection ratios. It includes integrated features such as a voltage reference, error amplifier, and current limit circuitry for robust performance in space-constrained applications.
Replacement Considerations
AP7315-11SA-7 (SOT23 Non-Discharge)
FAQ
What is the function of the EN pin?
The EN pin enables or disables the regulator. Driving it high turns the regulator on, while pulling it low activates shutdown mode.
Does this part include an auto-discharge feature?
No, the AP7315-11SR-7 does not include an auto-discharge feature. For versions with output discharge, select parts ending in D.
