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Product Detailed Parameters
- Description：IC REG LINEAR 1.8V 150MA 4-WLCSP
- Series：LD6816
- Mfr：Nexperia 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)：0.075V @ 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-UFBGA, WLCSP
- Supplier Device Package：4-WLCSP (0.76x0.76)
- Grade：-
- Qualification：-
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Overview
The LD6816CX4/C18P,315 is a positive fixed linear voltage regulator IC manufactured by Nexperia USA Inc. It provides a single output of 1.8V with a maximum load current capability of 150mA. The device is housed in a compact 4-WLCSP package with dimensions of 0.76x0.76 mm. As a Low Dropout (LDO) regulator, it is designed for efficient power management in space-constrained applications requiring stable voltage regulation.
Feature Summary
- Provides a fixed positive output voltage for stable power supply
- Supports up to 150mA load current for low-power circuits
- Utilizes a miniature 4-WLCSP package for board space efficiency
Applications
- Portable electronic devices requiring compact power solutions
- Battery-powered systems needing efficient voltage regulation
- Embedded circuits with strict size constraints
Procurement Notes
Verify the exact part number suffix and manufacturer designation when sourcing. Confirm that the component matches the specified 1.8V output and 150mA rating. Ensure the packaging type corresponds to the 4-WLCSP format. Check for RoHS compliance status if required by your manufacturing standards. Cross-reference with official Nexperia documentation to confirm availability and specifications.
Selection Notes
Select this component when a fixed 1.8V output is required in a minimal footprint. Consider the 150mA current limit for load requirements. Evaluate the WLCSP package suitability for surface-mount assembly processes. Compare dropout voltage characteristics against system input voltage ranges. Ensure thermal performance meets application needs within the small package.
Part Context
This LDO regulator belongs to the family of low-dropout voltage regulators designed for portable electronics. It offers a fixed output option, simplifying design implementation compared to adjustable variants. The technology focuses on providing reliable voltage regulation in ultra-compact packages suitable for modern mobile and wearable devices.
Replacement Considerations
Check for alternative LDOs with identical 1.8V output and similar current ratings. Verify pin compatibility and package dimensions for direct replacement. Ensure electrical characteristics such as dropout voltage and quiescent current are comparable. Consult manufacturer substitution guides for validated alternatives.
