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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
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Overview
The AP7315-11SA-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated, providing an output voltage of 1.1V with a maximum guaranteed output 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 incorporates high ripple rejection of 75dB at 1kHz and low output noise of 60µVrms from 10Hz to 100kHz. Packaged in SOT23 (SA), it includes an enable pin for power control and supports operation across temperatures 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 and low output noise suitable for sensitive RF and audio subsystems
- Built-in short circuit protection and thermal shutdown for enhanced reliability
Applications
- Smartphones and tablet devices
- RF power supply circuits
- Portable video players
- Wireless communication adapters
- Camera modules
Procurement Notes
Verify the specific suffix SA confirms the SOT23 package type and the '11' indicates the 1.1V fixed output. Confirm the '-7' suffix corresponds to tape and reel packaging quantities. Ensure compliance requirements such as RoHS and halogen-free status are validated against the latest datasheet revision DS38352 Rev. 2-2 before finalizing procurement orders.
Selection Notes
Select this component when a stable 1.1V rail is required for low-power handheld applications. The SOT23 package offers a compact footprint for dense PCB layouts. Consider the 150mA current limit and 35µA quiescent current for battery-operated designs. Verify that the input voltage remains above the dropout threshold for the expected load conditions.
Part Context
This part belongs to the AP7315 family of low dropout regulators designed for portable electronics. The series provides various fixed output voltages ranging from 1.1V to 3.3V. The AP7315-11SA-7 specifically utilizes the SOT23 package variant, distinguishing it from other package options like X2-DFN1010-4 or SOT25 available within the same product line.
Replacement Considerations
Direct substitutes include other AP7315 variants with different output voltages if system design allows adjustment. For identical specifications but different packages, consider AP7315-11W5-7 (SOT25) or AP7315-11FS4-7B (X2-DFN1010-4). Cross-vendor replacements require matching electrical parameters and pinout compatibility.
