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Product Detailed Parameters
- Description：IC REG LINEAR 3.6V 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)：3.6V
- 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 LD6836CX4/36H is a fixed-output Low Dropout regulator (LDO) from the NXP LD6836 series, providing a nominal output voltage of 3.6 V with a maximum output current rating of 300 mA. It 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. The device utilizes a WLCSP4 package measuring 0.76 mm x 0.76 mm with a 0.4 mm pitch. It includes high-ohmic output state when disabled, over-temperature protection, output current limiting, and integrated ESD protection up to 10 kV HBM.
Feature Summary
- Ultra-low dropout performance ensuring efficiency maximization and lower power consumption
- Low noise operation suitable for sensitive analog and digital interfaces
- Integrated pull-down switching transistor absent; provides high-ohmic state in shutdown mode
- Compact wafer-level chip-scale packaging ideal for component miniaturization
Applications
- Mobile appliances requiring lower than standard supply voltages
- Smartphones and mobile phone handsets
- Cordless telephones
- Digital still cameras
- Portable media players
Procurement Notes
Verify the specific suffix 'H' confirms the high-ohmic output state configuration rather than the pull-down variant. Confirm the package type matches the required WLCSP4 footprint dimensions. Ensure compatibility with the intended operating temperature range and input voltage specifications before integration into the design.
Selection Notes
Select this component when a stable 3.6 V rail is required for portable electronics with strict space constraints. The high-ohmic disable feature is critical if the downstream circuit requires a high-impedance state during shutdown. Verify that the external capacitor requirements meet the minimum ESR and capacitance values for stability.
Part Context
This part belongs to the LD6836 series of ultra-low dropout regulators designed for portable applications. The series offers various fixed output voltages and package options, including SOT753 and WLCSP formats. The CX4 designation specifically indicates the wafer-level chip-scale package variant optimized for miniaturization in handheld devices.
Replacement Considerations
LD6836CX4/36P
FAQ
What is the output state of the LD6836CX4/36H when the enable pin is low?
When disabled, the LD6836CX4/36H exhibits a high-ohmic state at the output pin.
Does the LD6836CX4/36H include an auto discharge function?
No, the 'H' suffix indicates a high-ohmic output state. The auto discharge function is available only in the 'P' suffix variants.
