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Product Detailed Parameters
- Description：IC REG LINEAR 1.8V 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)：1.8V
- 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/18H,125 is a fixed-output Low Dropout regulator (LDO) from the NXP LD6836 series. It provides a nominal output voltage of 1.8 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 utilizes a small SOT753 surface-mounted plastic package. Key electrical characteristics include a typical quiescent current of 70 µA in active mode and 0.1 µA in shutdown mode. The component includes integrated over-temperature protection and output current limiting.
Feature Summary
- Ultra-low dropout performance with high efficiency under varying load conditions
- Low noise operation suitable for sensitive analog and digital interfaces
- High-ohmic output state when disabled to minimize power consumption
- Integrated electrostatic discharge protection up to 10 kV Human Body Model
Applications
- Analog and digital interfaces in mobile appliances requiring lower supply voltages
- Smartphones and mobile phone handsets
- Cordless telephones
- Digital still cameras
- Portable media players
Procurement Notes
Verify the specific ordering suffix against official NXP documentation to confirm the exact output voltage and package variant. Ensure compatibility with the required PCB footprint for the SOT753 package. Confirm that the high-ohmic output behavior aligns with system requirements during disabled states. Check for RoHS compliance status if environmental regulations apply to the target assembly.
Selection Notes
Select this component when a stable 1.8 V rail is needed from a 2.3 V to 5.5 V source with moderate current demands. Consider the low quiescent current for battery-powered applications where standby power is critical. Evaluate the thermal resistance characteristics relative to the PCB layout to ensure junction temperatures remain within limits under continuous load. Verify that the external capacitor ESR meets stability requirements.
Part Context
This part belongs to the LD6836 series of ultra-low dropout regulators manufactured by NXP Semiconductors. The series offers various fixed output voltages ranging from 1.2 V to 3.6 V. Devices are available in WLCSP4 and SOT753 packages. The 'H' suffix indicates a high-ohmic output state in disable mode, distinguishing it from 'P' variants which feature an auto-discharge pull-down transistor.
Replacement Considerations
Consult the official datasheet for other LD6836TD variants with different output voltages or package types. Verify pinout compatibility before substituting with other LDO families.
