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Product Detailed Parameters
- Description：IC REG LINEAR 2.5V 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)：2.5V
- 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 LD6816CX4/25P,315 is a fixed-output Low DropOut regulator from NXP Semiconductors. It provides a nominal output voltage of 2.5 V with a maximum output current rating of 150 mA. The device operates within an input voltage range of 2.3 V to 5.5 V and features a typical dropout voltage of 45 mV at full load. It utilizes a WLCSP4 package with dimensions of 0.76 mm x 0.76 mm and a 0.4 mm pitch. The component includes an integrated pull-down switching transistor for auto discharge functionality.
Feature Summary
- Ultra-low dropout performance with minimal voltage loss under load
- Integrated auto discharge function via pull-down transistor in disabled mode
- Low noise operation suitable for sensitive analog and digital interfaces
- Built-in over-temperature protection and output current limiting
Applications
- Smart phones and mobile phone handsets
- Cordless telephones
- Digital still cameras
- Portable media players
Procurement Notes
Verify the specific suffix '315' against official 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 WLCSP4 package footprint matches the target PCB design constraints.
Selection Notes
Select this component when a compact form factor is required for portable electronics. The 2.5 V fixed output suits systems needing precise voltage regulation without external resistors. The low quiescent current in shutdown mode aids battery life extension. Verify that the 150 mA current capability meets the peak load demands of the application circuit.
Part Context
This part belongs to the LD6816 series of ultra-low dropout regulators designed for miniaturization. The series offers various fixed output voltages between 1.2 V and 3.6 V. The 'P' designation indicates the inclusion of an auto discharge feature, distinguishing it from the 'H' variant which maintains a high-ohmic state when disabled.
Replacement Considerations
LD6816CX4/25H: Identical electrical characteristics but lacks the auto discharge pull-down transistor, maintaining a high-ohmic output state when disabled.
