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Product Detailed Parameters
- Description：IC REG LINEAR 2.1V 300MA 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)：2.1V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.2V @ 300mA
- Current - Output：300mA
- 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 LD6836TD/21P,125 is a fixed-output Low DropOut regulator manufactured by NXP Semiconductors. It provides a nominal output voltage of 2.1 V with a maximum output current rating of 300 mA. The device operates within an input voltage range of 2.3 V to 5.5 V and features a typical dropout voltage of 90 mV at full load. It incorporates an active HIGH enable pin and utilizes the SOT753 surface-mounted package.
Feature Summary
- Integrated pull-down switching transistor for auto discharge function in disabled mode
- Low quiescent current consumption during shutdown operation
- Built-in over-temperature protection and output current limiting circuits
- ESD protection rated up to 10 kV Human Body Model
Applications
- Analog and digital interfaces requiring lower supply voltages in mobile appliances
- Digital still cameras and portable media players
- Mobile internet devices and personal navigation systems
Procurement Notes
Verify the specific ordering suffix against official manufacturer documentation to confirm the exact output voltage and package variant. Ensure compatibility with RoHS standards and lead-free requirements before procurement. Cross-reference datasheet revision numbers to validate electrical characteristics and application circuit recommendations.
Selection Notes
Select this component when a stable 2.1 V rail is required from a 2.3 V to 5.5 V source. The SOT753 package suits space-constrained designs. Verify that external capacitors meet minimum ESR specifications for stability. Consider the auto-discharge feature if rapid output voltage decay is necessary upon disable.
Part Context
This part belongs to the LD6836 series of ultra-low dropout regulators designed for portable applications. The series includes variants with high-ohmic outputs (H) and pull-down outputs (P). The TD designation indicates the SOT753 plastic surface-mounted package, distinct from WLCSP options.
Replacement Considerations
LD6836TD/21H,125: Identical electrical performance but lacks the internal pull-down transistor for auto discharge.
