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Product Detailed Parameters
- Description：IC REG LINEAR 1.4V 150MA 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)：1.4V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.075V @ 150mA
- Current - Output：150mA
- Current - Quiescent (Iq)：100 µA
- Current - Supply (Max)：250 µA
- PSRR：55dB (1kHz)
- Control Features：Enable
- Protection Features：Over Current, Over Temperature, Transient Voltage
- 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 LD6816CX4/14H,315 is a fixed-output Low Dropout Regulator (LDO) from the NXP LD6816 series, providing a nominal output voltage of 1.4 V with a maximum output current rating of 150 mA. It operates within an input voltage range of 2.3 V to 5.5 V and features a typical dropout voltage of 45 mV at full load. The device incorporates high-ohmic (three-state) output behavior when disabled. Key electrical characteristics include a typical quiescent current of 70 µA in active mode and 0.1 µA in shutdown mode, alongside a typical power supply rejection ratio of 55 dB at 1 kHz.
Feature Summary
- Ultra-low dropout performance ensuring efficient operation under minimal input-to-output voltage differentials
- High-ohmic output state in disabled mode for effective isolation in multi-rail systems
- Integrated over-temperature protection and output current limiting for enhanced reliability
- Low noise profile suitable for sensitive analog and digital interface applications
Applications
- Smart phones and mobile phone handsets
- Digital still cameras
- Portable media players
- Personal navigation devices
Procurement Notes
Verify the specific suffix '315' against official manufacturer documentation to confirm reel packaging specifications and tape-and-reel dimensions. Ensure compatibility with lead-free assembly processes as the component is RoHS compliant. Confirm that the high-ohmic output variant matches system requirements for disabled states, distinguishing it from pull-down versions.
Selection Notes
Select this component for portable designs requiring miniaturization via the WLCSP package. Verify that the external load capacitance meets the minimum stability requirement of 0.7 µF. Consider the thermal resistance characteristics if operating near the upper ambient temperature limits or under sustained peak loads.
Part Context
This regulator belongs to the LD6816 series of ultra-low dropout regulators designed for space-constrained portable electronics. The series utilizes monolithic silicon technology and offers various output voltages between 1.2 V and 3.6 V. The 'H' designation specifically indicates the high-ohmic output configuration, contrasting with 'P' variants that feature auto-discharge functions.
Replacement Considerations
LD6816CX4/14P,315: Features identical electrical parameters but includes an integrated pull-down transistor for low-ohmic output discharge when disabled.
