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Product Detailed Parameters
- Description：IC REG LINEAR 2.3V 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)：2.3V
- 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 LD6816CX4/23P,315 is a fixed-output Low DropOut regulator from NXP Semiconductors. It provides a nominal output voltage of 2.3 V with a maximum continuous 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 and includes an integrated pull-down transistor for auto discharge functionality when disabled.
Feature Summary
- Integrated pull-down switching transistor provides a low-ohmic output state in shutdown mode
- Ultra-low dropout voltage characteristic ensures high efficiency under minimal headroom conditions
- Low quiescent current consumption in shutdown mode extends battery life in portable devices
- Built-in over-temperature protection and output current limiter safeguard against fault conditions
Applications
- Analog and digital interfaces requiring lower than standard supply voltages in mobile appliances
- Smart phones and mobile phone handsets
- Cordless telephones
- Digital still cameras
- Portable media players
Procurement Notes
Verify the specific ordering suffix and manufacturer part number against official documentation before procurement. Confirm that the component matches the required RoHS compliance and halogen-free specifications. Ensure the package type aligns with the intended PCB footprint design. Cross-reference the datasheet revision to confirm all electrical characteristics remain consistent with the design requirements.
Selection Notes
Select this component for applications requiring precise 2.3 V regulation with minimal size constraints. The WLCSP4 package is suitable for designs prioritizing component miniaturization. Verify that the external load capacitance meets the minimum stability requirements specified in the datasheet. Consider the thermal resistance characteristics if operating near the upper ambient temperature limits.
Part Context
This component belongs to the LD6816 series of ultra-low dropout regulators manufactured by NXP Semiconductors. The series offers various fixed output voltages ranging from 1.2 V to 3.6 V. All devices in the family share similar electrical characteristics and are designed for portable applications requiring efficient power management in small form factors.
Replacement Considerations
LD6816CX4/23H
FAQ
What is the behavior of the output pin when the enable signal is low?
The LD6816CX4/23P contains a pull-down switching transistor that provides a low-ohmic output state when disabled.
Does the device require an external capacitor for stability?
Yes, the device requires an external load capacitance of at least 0.7 µF to guarantee stable regulator behavior.
