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Product Detailed Parameters
- Description：IC REG LINEAR 1.8V 200MA 5-TSOP
- 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)：1.8V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.13V @ 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：SC-74A, SOT-753
- Supplier Device Package：5-TSOP
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Overview
The LD6806TD/18P,125 is a fixed-output Low-DropOut regulator from the NXP LD6806 series. It provides a nominal output voltage of 1.8 V with a maximum continuous output current of 200 mA and peak currents up to 300 mA. The device operates within an input voltage range of 2.3 V to 5.5 V. It features ultra-low dropout characteristics, low quiescent current in shutdown mode, and integrated thermal protection and current limiting. The component is housed in a TSOP5 (SOT753) surface-mounted package.
Feature Summary
- Low-ohmic output stage when disabled via internal pull-down switching transistor
- Integrated temperature watchdog for thermal protection
- Built-in current limiter for overload protection
- High ESD protection capability
Applications
- Analog and digital interfaces requiring lower than standard supply voltage
- Mobile phone handsets
- Cordless telephones
- Personal digital devices
Procurement Notes
Verify that the specific suffix '125' corresponds to the requested packaging configuration as defined by NXP documentation. Confirm the device variant matches the low-ohmic output requirement ('P' suffix) rather than the high-ohmic state ('H' suffix). Ensure compatibility with the SOT753 footprint during procurement planning.
Selection Notes
Select this component for applications requiring precise 1.8 V regulation from a 2.3 V to 5.5 V source. The LD6806TD/18P is suitable where space constraints favor the TSOP5 package over WLCSP or XSON6 options. Consider the low-ohmic shutdown behavior if the application requires the output to be actively pulled low when disabled.
Part Context
This part belongs to the LD6806 series of ultra low-dropout regulators designed for miniaturization. The series includes variants with different output voltages and packages, such as WLCSP4 and SOT886. The 'TD' designation indicates the TSOP5 plastic surface-mounted package, while the '/18' specifies the 1.8 V fixed output voltage.
Replacement Considerations
Other members of the LD6806 family may serve as substitutes if pin compatibility and output voltage requirements align. Verify package dimensions and electrical characteristics against the datasheet before substitution.
