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Product Detailed Parameters
- Description：IC REG LINEAR 1.3V 150MA 4-WLCSP
- Series：-
- Mfr：NXP USA Inc.
- Package：Bulk
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：1.3V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.075V @ 150mA
- Current - Output：150mA
- Current - Quiescent (Iq)：100 µA
- Current - Supply (Max)：250 µA
- PSRR：55dB (1kHz)
- Control Features：Enable
- Protection Features：Over Current, Over Temperature, Transient Voltage
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：4-XFBGA, WLCSP
- Supplier Device Package：4-WLCSP (0.76x0.76)
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Overview
The LD6816CX4/13P,315 is a fixed-output Low DropOut regulator from NXP Semiconductors. It provides a nominal output voltage of 1.3 V with a maximum continuous output current of 150 mA and peak capability up to 300 mA. The device operates within an input voltage range of 2.3 V to 5.5 V. Key electrical characteristics include a typical dropout voltage of 45 mV at full load, a quiescent current of 70 µA, and an RMS output noise of 30 µV across the 10 Hz to 100 kHz frequency band. It features integrated over-temperature protection, output current limiting, and ESD protection rated at ±10 kV HBM.
Feature Summary
- Ultra-low dropout performance ensures high efficiency and minimized power consumption during operation.
- Low noise architecture maintains stable power delivery for sensitive analog and digital interfaces.
- Integrated auto-discharge function rapidly pulls down the output voltage when disabled.
- Built-in thermal shutdown and current limiting protect the device under fault conditions.
Applications
- Smart phones and mobile phone handsets
- Cordless telephones
- Digital still cameras
- Portable media players
Procurement Notes
Verify the specific suffix '315' against official manufacturer documentation to confirm reel packaging specifications. Ensure compatibility with RoHS and halogen-free requirements. Confirm availability status as distribution channels may vary. Validate that the WLCSP package dimensions match the target PCB footprint design constraints.
Selection Notes
Select this component for applications requiring precise 1.3 V regulation in space-constrained designs. The pull-down transistor enables rapid discharge, suitable for systems needing quick power cycling. Verify that the external capacitor meets the minimum capacitance and ESR requirements to ensure stability across the operating temperature range.
Part Context
This part belongs to the LD6816 series of ultra-low dropout regulators manufactured by NXP Semiconductors. The series utilizes monolithic silicon technology and is designed for portable applications requiring component miniaturization. The CX4 designation indicates a Wafer-Level Chip-Scale Package (WLCSP) with a 0.4 mm pitch.
Replacement Considerations
Consult the official datasheet for alternative type numbers within the LD6816 family. Verify pinout compatibility and output voltage tolerance before substituting with other variants such as the LD6816CX4/xxH or LD6816CX4/CxxP series.
