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Product Detailed Parameters
- Description：IC REG LINEAR 3.6V 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)：3.6V
- 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 LD6816CX4/36H,315 is a fixed-output Low Dropout regulator (LDO) from NXP Semiconductors. It provides a nominal output voltage of 3.6 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 over-temperature protection, output current limiting, and integrated ESD protection up to 10 kV Human Body Model. When disabled, the 'H' variant maintains a high-ohmic state at the output pin. The component is housed in a WLCSP4 package measuring 0.76 mm x 0.76 mm.
Feature Summary
- Ultra-low dropout performance for maximizing efficiency in portable applications
- Integrated auto-discharge function available in P variants; H variant offers high-impedance shutdown
- Low noise operation suitable for sensitive analog and digital interfaces
- Built-in thermal and current protection mechanisms
Applications
- Smart phones and mobile phone handsets
- Digital still cameras
- Portable media players
- Personal navigation devices
Procurement Notes
Verify the specific suffix '315' against official documentation to confirm reel specifications or tape-and-reel packaging details. Confirm that the 'H' designation corresponds to the high-ohmic output state required by the circuit design. Ensure compatibility with the WLCSP4 footprint dimensions provided in the datasheet.
Selection Notes
Select this component when a stable 3.6 V supply is needed for low-power mobile circuits. The 'H' suffix indicates a high-impedance output upon disable, which differs from the pull-down functionality found in 'P' versions. Consider the 0.7 µF minimum external capacitance requirement for stability during selection.
Part Context
This part belongs to the LD6816 series of ultra-low dropout regulators manufactured using monolithic silicon technology. The series includes various fixed output voltages ranging from 1.2 V to 3.6 V. The CX4 suffix denotes the WLCSP4 wafer-level chip-scale package format used for miniaturization.
Replacement Considerations
LD6816CX4/36P,315
FAQ
What is the output state of the LD6816CX4/36H when disabled?
The LD6816CX4/36H exhibits a high-ohmic (three-state) output state when the enable pin is deactivated.
Does this device include an auto-discharge function?
No, the 'H' version does not contain a pull-down switching transistor. Auto-discharge is only available in the 'P' and 'CxxP' variants.
