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Product Detailed Parameters
- Description：IC REG LINEAR 2.2V 200MA 5-TSOP
- 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)：2.2V
- 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/22P,125 is a low-dropout regulator (LDO) from the NXP LD6806 series. It provides a fixed nominal output voltage of 2.2 V with a maximum continuous output current rating 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. It utilizes a SOT753 plastic surface-mounted package. The component includes integrated thermal protection and overcurrent limiting circuits.
Feature Summary
- Low-ohmic output state when disabled via internal pull-down switching transistor
- Integrated temperature watchdog for thermal protection
- Overcurrent limiter circuitry for short-circuit protection
- Active HIGH enable pin for power control
Applications
- Analog and digital interfaces requiring lower than standard supply voltage in mobile appliances
- Mobile phone handsets
- Cordless telephones
- Personal digital devices
Procurement Notes
Verify the specific suffix '125' against official documentation as it may indicate tape-and-reel packaging or specific manufacturing lot codes not detailed in the general datasheet. Confirm that the SOT753 package variant matches the required footprint for the target PCB design. Ensure compliance with RoHS and Halogen-free requirements if specified by the end application standards.
Selection Notes
Select this component when a fixed 2.2 V rail is required from a 2.3 V to 5.5 V source. The LD6806TD/22P is suitable for designs needing a low-ohmic discharge path upon shutdown. Consider the SOT753 package dimensions for space-constrained layouts. Verify that the external load capacitance meets the minimum stability requirement of 0.7 µF.
Part Context
This part belongs to the LD6806 series of ultra low-dropout regulators manufactured by NXP Semiconductors. The series offers multiple output voltages ranging from 1.2 V to 3.6 V and is available in WLCSP4, SOT886, and SOT753 packages. The 'P' suffix denotes the low-ohmic output configuration, distinguishing it from the high-ohmic 'H' variants.
Replacement Considerations
Other members of the LD6806 series with different output voltages or package types may serve as functional substitutes if the voltage level is adjusted. Cross-reference with other LDOs offering similar 200 mA ratings and low dropout characteristics if the specific NXP part is unavailable.
