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Product Detailed Parameters
- Description：IC REG LINEAR 3.3V 150MA 4-WLCSP
- Series：-
- Mfr：NXP USA Inc.
- Package：Tape & Reel (TR),Bulk
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：3.3V
- 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 LD6816CX4/33P,315 is a fixed-output Low DropOut regulator from NXP Semiconductors. It provides a nominal output voltage of 3.3 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 a 0.4 mm pitch.
Feature Summary
- Includes an integrated pull-down switching transistor that ensures a low-ohmic output state when disabled, providing an auto discharge function for rapid shutdown.
- Features ultra-low noise performance with a typical RMS output noise voltage of 30 µV across the 10 Hz to 100 kHz frequency band.
- Incorporates comprehensive protection mechanisms including over-temperature shutdown and output current limiting to safeguard circuit operation.
Applications
- Analog and digital interfaces requiring lower than standard supply voltages in mobile appliances
- Smart phones, mobile phone handsets, and cordless telephones
- Digital still cameras, mobile internet devices, personal navigation devices, and portable media players
Procurement Notes
Verify the specific suffix '315' against official manufacturer documentation to confirm reel packaging specifications. Ensure compatibility with RoHS compliance standards and lead-free manufacturing processes required for your assembly line. Confirm availability status as distribution channels may vary.
Selection Notes
Select this component for designs prioritizing minimal footprint through its WLCSP4 package. It is suitable for applications demanding low quiescent current and high power supply rejection ratio. Ensure external capacitors meet the minimum capacitance requirements for stability.
Part Context
This part belongs to the LD6816 series of ultra-low dropout regulators designed for portable electronics. The series offers various fixed output voltages between 1.2 V and 3.6 V. The 'P' designation indicates the inclusion of the auto-discharge feature, distinguishing it from the 'H' variant which maintains a high-ohmic state.
Replacement Considerations
Consult official NXP documentation for verified substitute part numbers. Cross-referencing requires matching output voltage, current rating, package type, and functional characteristics such as the auto-discharge capability.
