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Product Detailed Parameters
- Description：IC REG LINEAR 2.7V 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)：2.7V
- 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 LD6816CX4/27P,315 is a fixed-output Low DropOut regulator from the NXP LD6816 series. It provides a nominal output voltage of 2.7 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 incorporates an integrated pull-down switching transistor for auto-discharge functionality when disabled. The component utilizes a WLCSP package with a 0.4 mm pitch.
Feature Summary
- Ultra-low dropout performance ensures high efficiency and minimized power consumption during operation.
- Low noise characteristics provide stable power delivery for sensitive analog and digital interfaces.
- Integrated protection mechanisms include over-temperature shutdown and output current limiting.
- Auto-discharge function actively pulls down the output voltage to a low-ohmic state upon disable.
Applications
- Smart phones and mobile phone handsets
- Cordless telephones
- Digital still cameras
- Mobile internet devices
- Portable media players
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm the package variant and reel specifications. Ensure compatibility with the required PCB footprint dimensions for the WLCSP4 package. Confirm that the selected component meets the necessary environmental compliance standards for the intended deployment region.
Selection Notes
Select this component for applications requiring precise 2.7 V regulation in space-constrained designs. The LD6816CX4/27P is suitable where low quiescent current and minimal output noise are critical. Consider the auto-discharge feature if rapid output voltage decay is required during system shutdown states.
Part Context
This part belongs to the LD6816 series of ultra-low dropout regulators manufactured by NXP Semiconductors. The series is designed for portable appliances requiring component miniaturization. All devices in the family utilize monolithic silicon technology and are available in various fixed output voltages ranging from 1.2 V to 3.6 V.
Replacement Considerations
LD6816CX4/27H
FAQ
What is the behavior of the output pin when the enable signal is low?
The LD6816CX4/27P contains a pull-down switching transistor that provides a low-ohmic output state (auto discharge function) when the device is disabled.
What is the typical RMS output noise voltage specification?
The typical RMS output noise voltage is 30 µV measured over a frequency range of 10 Hz to 100 kHz.
