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Product Detailed Parameters
- Description：IC REG LINEAR 1.5V X2-DFN10104
- 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：4-XDFN Exposed Pad
- Supplier Device Package：X2-DFN1010-4
Download product information
Overview
The AP7315D-15FS4-7B is a fixed-output low dropout regulator manufactured by Diodes Incorporated. It provides a 1.5V output with a maximum current of 150mA and operates within an input voltage range of 1.7V to 5.25V. The device features ±1% output voltage accuracy, 75dB ripple rejection at 1kHz, and 60µVrms output noise from 10Hz to 100kHz. Quiescent current is 35µA at no load. It includes an enable pin and built-in auto-discharge functionality. The component is housed in an X2-DFN1010-4 package.
Feature Summary
- Integrated resistor network for precise fixed output voltage delivery
- Built-in auto-discharge mechanism to rapidly reduce output voltage upon shutdown
- CMOS process technology enabling low power consumption and high efficiency
- On-chip protection against short circuits and thermal overload
Applications
- Smart Phone/PAD
- RF Supply
- Cameras
- Portable Videos
- Wireless Communication
Procurement Notes
Verify the specific ordering suffix FS4-7B to confirm the X2-DFN1010-4 package and tape-and-reel packaging quantity. Ensure the 'D' designation matches the requirement for the integrated output discharge feature. Confirm RoHS compliance and halogen-free status if environmental regulations apply to the target assembly.
Selection Notes
Select this part when a compact footprint is required alongside low quiescent current operation. The 1.5V fixed output suits digital logic or sensor rails. Verify that the 150mA continuous output capability meets peak load demands. Consider the 1.7V minimum input voltage constraint relative to the available supply rail.
Part Context
This component belongs to the AP7315 family of low dropout regulators designed for handheld communication equipment. The series offers various fixed output voltages ranging from 1.1V to 3.3V. The 'D' variant specifically incorporates an internal discharge path, distinguishing it from standard versions that leave the output floating during disable states.
Replacement Considerations
AP7315-15FS4-7B (Non-discharge version)
FAQ
What is the function of the EN pin?
The EN pin controls the regulator state; driving it high enables the output, while pulling it low disables the regulator.
How does the D suffix affect operation?
The D suffix indicates the presence of an internal auto-discharge circuit that actively pulls down the output voltage when the device is disabled.
