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Product Detailed Parameters
- Description：IC REG LINEAR 2.9V 200MA 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)：2.9V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.1V @ 200mA
- Current - Output：200mA
- 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 LD6806CX4/29H,315 is a fixed-output Low-DropOut regulator from the NXP LD6806 series. It provides a nominal output voltage of 2.9 V with an input voltage range of 2.3 V to 5.5 V. The device supports a continuous output current of 200 mA and features a typical dropout voltage of 60 mV at full load. It utilizes a WLCSP4 package with a 0.76 mm x 0.76 mm footprint and 0.4 mm pitch. Key electrical characteristics include a typical quiescent current of 70 µA in active mode and 1.0 µA in shutdown. The unit offers low noise performance with 30 µV RMS output noise and includes integrated thermal protection and current limiting.
Feature Summary
- Ultra-low dropout voltage design for high efficiency
- Low noise operation suitable for sensitive analog interfaces
- High-ohmic (three-state) output when disabled
- Integrated thermal shutdown and overcurrent protection
Applications
- Mobile phone handsets
- Cordless telephones
- Personal digital devices
- Media players
Procurement Notes
Verify the specific suffix '315' against official documentation to confirm reel packaging details or tape-and-reel specifications. Confirm RoHS compliance status and dark green material requirements as stated in the datasheet. Ensure the ordering code matches the exact output voltage variant required for the application circuit.
Selection Notes
Select this component for applications requiring miniaturization due to its small WLCSP4 package size. The high-ohmic output state distinguishes it from the 'P' variants which feature a pull-down transistor. Ensure the external load capacitance meets the minimum stability requirement of 0.7 µF with appropriate ESR characteristics.
Part Context
This part belongs to the LD6806 series of ultra-low-dropout regulators manufactured by NXP Semiconductors. The series is designed for mobile appliances where space constraints and battery lifetime are critical. The 'H' suffix indicates a high-ohmic output state upon disablement, contrasting with the low-ohmic 'P' variants within the same family.
Replacement Considerations
LD6806CX4/29P,315
FAQ
What is the output state of the LD6806CX4/29H when the enable pin is low?
The device enters a high-ohmic (three-state) condition at the output pin when disabled.
Does this regulator require an external capacitor for stability?
Yes, an external load capacitor with a minimum value of 0.7 µF is required to guarantee stable regulator behavior.
