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Product Detailed Parameters
- Description：IC REG LINEAR 2.8V 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)：2.8V
- 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 LD6816CX4/28H,315 is a fixed-output Low DropOut regulator from the NXP LD6816 series. It provides a nominal output voltage of 2.8 V with a maximum output current rating of 150 mA. The device 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. 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. The component includes over-temperature protection, output current limiting, and integrated ESD protection up to 10 kV HBM.
Feature Summary
- Ultra-low dropout performance with minimal voltage loss at rated current
- High-ohmic (three-state) output state when disabled for power isolation
- Low quiescent current in shutdown mode to conserve energy
- Integrated thermal and overcurrent protection mechanisms
Applications
- Analog and digital interfaces requiring lower than standard supply voltages
- Mobile appliances such as smart phones and cordless telephones
- Digital still cameras and portable media players
- Personal navigation devices and mobile internet devices
Procurement Notes
Verify the specific suffix '315' against official documentation to confirm reel packaging specifications. Confirm RoHS compliance status and environmental declarations prior to integration. Ensure the high-ohmic output variant matches system requirements for disabled states. Validate pinout alignment with the WLCSP4 footprint design.
Selection Notes
Select this component for applications requiring precise 2.8 V regulation in space-constrained designs. The WLCSP4 package supports miniaturization needs for portable electronics. Consider the high-ohmic output behavior if system isolation during shutdown is required. Verify that external capacitor values meet stability requirements for the chosen load conditions.
Part Context
This part belongs to the LD6816 series of ultra-low dropout regulators designed for low noise and high efficiency. The series offers various fixed output voltages between 1.2 V and 3.6 V. The 'H' suffix indicates a high-ohmic output state upon disable, distinguishing it from pull-down variants. All devices are manufactured using monolithic silicon technology.
Replacement Considerations
LD6816CX4/28P: Provides similar electrical characteristics but features a pull-down switching transistor for auto discharge instead of a high-ohmic state.
