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Product Detailed Parameters
- Description：IC REG LINEAR 3V 300MA 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)：3V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.16V @ 300mA
- Current - Output：300mA
- 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 LD6836CX4/30P,315 is a fixed-output Low DropOut regulator from the NXP LD6836 series. It provides a nominal output voltage of 3.0 V with a maximum output current rating of 300 mA. The device operates within an input voltage range of 2.3 V to 5.5 V and features a typical dropout voltage of 90 mV at full load. It utilizes a WLCSP4 package with a 0.4 mm pitch.
Feature Summary
- Integrated pull-down switching transistor for low-ohmic output state in disabled mode
- Ultra-low noise performance with typical RMS output noise of 30 µV
- High power supply rejection ratio of 55 dB at 1 kHz
- Built-in over-temperature protection and output current limiter
Applications
- Analog and digital interfaces requiring lower than standard supply voltages in mobile appliances
- Smartphones 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 the WLCSP4 footprint and check RoHS compliance status. Confirm availability through authorized distributors as lead times may vary.
Selection Notes
Select this component when a compact form factor is required for portable electronics. The pull-down feature distinguishes it from high-ohmic variants, making it suitable for applications needing rapid discharge upon shutdown. Verify that the 3.0 V output aligns with the target circuit requirements.
Part Context
This part belongs to the LD6836 series of ultra-low dropout regulators designed for miniaturization. The series includes various packages such as WLCSP4 and SOT753, offering fixed output voltages between 1.2 V and 3.6 V. The CX4 designation indicates the Wafer-Level Chip-Scale Package variant.
Replacement Considerations
LD6836CX4/30H (High-ohmic output variant)
FAQ
What is the difference between the P and H suffixes in the LD6836 series?
The 'P' suffix indicates a pull-down switching transistor providing a low-ohmic output state when disabled, while the 'H' suffix indicates a high-ohmic (3-state) output state.
Does the LD6836CX4/30P require external capacitors for stability?
Yes, the device requires external input and load capacitors with a minimum value of 0.7 µF and an ESR between 5 mΩ and 500 mΩ to guarantee stable operation.
