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Product Detailed Parameters
- Description：IC REG LINEAR 1.6V 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)：1.6V
- 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 LD6836CX4/16H,315 is a fixed-output Low DropOut regulator from the NXP LD6836 series. It provides a nominal output voltage of 1.6 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 a 0.4 mm pitch and dimensions of 0.76 mm x 0.76 mm x 0.47 mm. In disabled mode, this variant maintains a high-ohmic state at the output pin.
Feature Summary
- Ultra-low dropout performance with a typical voltage drop of 90 mV at 300 mA output current.
- Integrated pull-down switching transistor for auto discharge function in P variants; H variants maintain high-ohmic state when disabled.
- Low quiescent current in shutdown mode, typically 0.1 µA.
- High power supply rejection ratio of 55 dB at 1 kHz.
Applications
- Analog and digital interfaces requiring lower than standard supply voltages in mobile appliances
- Smartphones and mobile phone handsets
- Cordless telephones
- Digital still cameras
- Portable media players
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm package type and output configuration. Ensure compatibility with required input voltage ranges and load capacitance values for stability. Confirm RoHS compliance and halogen-free status if required by design specifications.
Selection Notes
Select this component for applications requiring miniaturization due to its small WLCSP footprint. Consider the high-ohmic output state when designing circuits that require isolation during shutdown. Verify thermal dissipation requirements based on the junction-to-ambient thermal resistance for the specific PCB layout.
Part Context
This part belongs to the LD6836 series of ultra-low dropout regulators manufactured using monolithic silicon technology. The series includes various packages such as WLCSP4 and SOT753, offering fixed output voltages between 1.2 V and 3.6 V. The CX4 designation specifically indicates the Wafer-Level Chip-Scale Package format.
Replacement Considerations
LD6836CX4/16P,315: Same output voltage but with pull-down auto-discharge function instead of high-ohmic state.
FAQ
What is the output state of the LD6836CX4/16H when disabled?
In disabled mode, the LD6836x/xxH devices show a high-ohmic state at the output pin.
What is the typical RMS output noise voltage for this regulator?
The typical RMS output noise voltage is 30 µV at frequencies between 10 Hz and 100 kHz.
