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Product Detailed Parameters
- Description：IC REG LINEAR 2.3V 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)：2.3V
- 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 LD6836CX4/23H,315 is a fixed-output Low DropOut regulator from the NXP LD6836 series. It provides a nominal output voltage of 2.3 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 dimensions of 0.76 mm x 0.76 mm x 0.47 mm and a 0.4 mm pitch. In disabled mode, the 'H' suffix indicates a high-ohmic (3-state) output state.
Feature Summary
- Ultra low dropout performance with a typical voltage drop of 90 mV at 300 mA output current.
- Low quiescent current in shutdown mode, typically 0.1 µA.
- Integrated over-temperature protection and output current limiter for enhanced reliability.
- High-ohmic output state when disabled, suitable for bus sharing applications.
Applications
- Analog and digital interfaces requiring lower supply voltages in mobile appliances
- Smartphones and mobile phone handsets
- Cordless telephones
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm the package type and output behavior. Ensure compatibility with required PCB layout guidelines for thermal dissipation and stability. Confirm that the high-ohmic disabled state aligns with system design requirements rather than auto-discharge functionality.
Selection Notes
Select this component for portable designs prioritizing miniaturization due to its WLCSP4 footprint. Verify that the 2.3 V fixed output matches the target circuit rail requirements. Consider the 300 mA current capability and ensure external capacitors meet the minimum ESR specifications for stable operation across the operating temperature range.
Part Context
This part belongs to the LD6836 series of ultra-low dropout regulators manufactured by NXP Semiconductors. The series includes variants in WLCSP4 and SOT753 packages with various fixed output voltages ranging from 1.2 V to 3.6 V. The CX4 designation specifically identifies the Wafer-Level Chip-Scale Package variant designed for space-constrained applications.
Replacement Considerations
LD6836CX4/23P,315
FAQ
What is the output state of the LD6836CX4/23H when disabled?
When disabled, the LD6836CX4/23H exhibits a high-ohmic (3-state) output state at the output pin.
Does the LD6836CX4/23H include an auto discharge function?
No, the LD6836CX4/23H does not contain a pull-down switching transistor for auto discharge; this feature is available in the 'P' suffix variants.
