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Product Detailed Parameters
- Description：IC REG LINEAR 1.2V 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)：1.2V
- 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：4-XDFN Exposed Pad
- Supplier Device Package：X2-DFN1010-4
Download product information
Overview
The AP7315D-12FS4-7B is a low dropout regulator manufactured by Diodes Incorporated, featuring an integrated auto-discharge circuit. It provides a fixed 1.2V output with ±1% accuracy and supports up to 150mA of guaranteed output current. The device operates within a wide input voltage range of 1.7V to 5.25V and achieves a ripple rejection of 75dB at 1kHz. It utilizes an X2-DFN1010-4 package for compact PCB layouts.
Feature Summary
- Integrated resistor network delivers precise fixed output voltages.
- Built-in discharge mechanism ensures rapid shutdown when disabled.
- CMOS process technology enables low quiescent current consumption.
- Includes enable control pin for power management.
Applications
- Smart Phone/PAD
- RF Supply
- Cameras
- Portable Videos
- Wireless Adapters
Procurement Notes
Verify the specific ordering suffix FS4-7B corresponds to the X2-DFN1010-4 package and tape & reel quantity of 10000 units. Confirm that the 'D' designation indicates the inclusion of the internal auto-discharge feature, as this distinguishes it from non-discharge variants. Ensure compatibility with RoHS 3 standards before finalizing procurement orders.
Selection Notes
Select this component for applications requiring a small footprint and fast output discharge. The X2-DFN1010-4 package is suitable for dense PCB layouts. Consider the 1.2V fixed output and 150mA current capability against load requirements. Verify that the input voltage range accommodates the system's supply variations while maintaining stability.
Part Context
This part belongs to the AP7315 series of low dropout regulators designed for low power handheld communication equipment. The series offers various fixed output voltages and packages, including SOT23 and SOT25. The AP7315D variant specifically incorporates an auto-discharge feature to improve system safety during shutdown states.
Replacement Considerations
AP7315-12FS4-7B (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 activates shutdown mode.
How does the D suffix affect operation?
The D suffix indicates the presence of an internal auto-discharge resistor that rapidly bleeds charge from the output capacitor when the device is disabled.
