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Product Detailed Parameters
- Description：IC REG LINEAR 2.9V 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)：2.9V
- 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 LD6816CX4/29H,315 is a fixed-output Low Dropout Regulator (LDO) from NXP Semiconductors with a nominal output voltage of 2.9 V. It operates within an input voltage range of 2.3 V to 5.5 V and provides a maximum output current of 150 mA. The device features a typical dropout voltage of 45 mV at full load and maintains low quiescent current in shutdown mode. It utilizes a WLCSP4 package with a 0.4 mm pitch.
Feature Summary
- High-ohmic (three-state) output state when disabled
- Integrated over-temperature protection and output current limiter
- Low noise performance with integrated ESD protection
- RoHS compliant and halogen-free construction
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. Ensure compatibility with the required PCB footprint for the WLCSP4 package. Confirm that the high-ohmic output behavior aligns with system requirements during power-down states.
Selection Notes
Select this component for applications requiring precise 2.9 V regulation with minimal voltage drop under load. The high-ohmic output feature distinguishes it from pull-down variants, making it suitable for bus-sharing scenarios where a high-impedance state is necessary upon disablement.
Part Context
This part belongs to the LD6816 series of ultra-low dropout regulators designed for portable electronics. The 'H' suffix specifically denotes the high-ohmic output configuration, differentiating it from 'P' or 'CxxP' versions which include auto-discharge functions. It is manufactured using monolithic silicon technology.
Replacement Considerations
LD6816CX4/29P,315
FAQ
What is the output state of the LD6816CX4/29H when disabled?
When disabled, the LD6816CX4/29H exhibits a high-ohmic (three-state) output state.
Does this regulator include an auto-discharge function?
No, the LD6816CX4/29H does not have an auto-discharge function; only the 'P' and 'CxxP' variants contain a pull-down switching transistor for this purpose.
