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Product Detailed Parameters
- Description：IC REG LINEAR 1.8V 200MA 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)：1.8V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.1V @ 200mA
- Current - Output：200mA
- Current - Quiescent (Iq)：100 µA
- Current - Supply (Max)：250 µA
- PSRR：55dB (1kHz)
- Control Features：Enable
- Protection Features：Over Current, Over Temperature
- 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 LD6806CX4/18P,315 is a fixed-output Low-DropOut regulator from the NXP LD6806 series. It provides a nominal output voltage of 1.8 V with a maximum output current rating of 200 mA. The device operates within an input voltage range of 2.3 V to 5.5 V and features a typical dropout voltage of 60 mV at full load. Packaged in a WLCSP4 wafer-level chip-size package measuring 0.76 mm x 0.76 mm, it includes an active HIGH enable pin. The 'P' suffix indicates a low-ohmic pull-down transistor for the output stage when disabled.
Feature Summary
- Ultra-low dropout voltage ensures high efficiency and minimized power consumption during operation.
- Low noise performance supports sensitive analog and digital interfaces requiring clean supply voltages.
- Integrated thermal protection and current limiter safeguard the device against overload conditions.
- Compact WLCSP4 package facilitates component miniaturization for space-constrained portable designs.
Applications
- Mobile phone handsets
- Cordless telephones
- Personal digital devices
Procurement Notes
Verify the specific ordering suffix and manufacturer part number against official NXP documentation to ensure correct package type and electrical characteristics. Confirm RoHS compliance status and environmental declarations prior to integration. Check for any obsolescence notices or lifecycle changes directly from the manufacturer before finalizing procurement plans.
Selection Notes
Select this component for applications requiring a compact footprint and stable 1.8 V rail. Ensure the external load capacitance meets the minimum stability requirements specified in the datasheet. Verify that the input voltage remains within the 2.3 V to 5.5 V operating range under all expected conditions.
Part Context
This device belongs to the LD6806 series of ultra-low-dropout regulators manufactured by NXP Semiconductors. The series offers various fixed output voltages and package options, including WLCSP, SOT886, and SOT753. The LD6806 family is designed for mobile appliances where battery lifetime and physical size are critical constraints.
Replacement Considerations
Consult the official NXP LD6806 datasheet for compatible variants within the same series. Cross-reference pinouts and electrical specifications carefully when considering alternative manufacturers.
FAQ
What is the behavior of the output pin when the device is disabled?
The LD6806CX4/18P contains a pull-down switching transistor that provides a low-ohmic output state when the device is disabled.
Does the device include overcurrent protection?
Yes, the LD6806 series includes integrated current limiting and thermal protection features.
