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Product Detailed Parameters
- Description：IC REG LINEAR 3.3V 200MA 4-WLCSP
- Series：-
- Mfr：NXP USA Inc.
- Package：Tape & Reel (TR),Bulk
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：3.3V
- 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 LD6806CX4/33H,315 is a fixed-output Low-DropOut regulator from the NXP LD6806 series. It provides a nominal output voltage of 3.3 V with a maximum continuous output current of 200 mA. The device operates within an input voltage range of 2.3 V to 5.5 V and features a typical dropout voltage of 60 mV at full load. Packaged in a WLCSP4 wafer level chip-size package with a 0.4 mm pitch, it supports an ambient operating temperature range of -40 °C to +85 °C and a junction temperature up to +125 °C.
Feature Summary
- Ultra-low dropout performance for high efficiency
- Low noise operation suitable for sensitive analog circuits
- High-ohmic (three-state) output when disabled
- Integrated thermal protection and current limiting
Applications
- Mobile phone handsets
- Cordless telephones
- Personal digital devices
- Media players
Procurement Notes
Verify the specific suffix '315' against official documentation, as standard datasheets list ordering options by output voltage and package type without this specific trailing code. Confirm RoHS compliance status and moisture sensitivity level requirements for your manufacturing process. Ensure the high-ohmic output state aligns with system shutdown requirements.
Selection Notes
Select this component for designs requiring minimal board space due to its WLCSP4 footprint. It is appropriate for applications needing a stable 3.3 V rail from varying input sources between 2.3 V and 5.5 V. Consider the low quiescent current in shutdown mode for battery-powered systems. Verify that the external capacitor ESR meets stability requirements.
Part Context
This part belongs to the LD6806 series of ultra-low-dropout regulators manufactured by NXP Semiconductors. The series includes variants with different output voltages and package types, including SOT886 and SOT753. The CX4 designation indicates the Wafer Level Chip-Size Package variant, which offers the smallest physical profile among the available options.
Replacement Considerations
Direct substitutes include other LD6806 series parts with identical 3.3 V output but different packages, such as LD6806F/33H or LD6806TD/33H. Cross-vendor replacements require matching the 200 mA current rating, 2.3–5.5 V input range, and low-noise specifications.
