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Product Detailed Parameters
- Description：IC REG LINEAR 1.2V 200MA SOT23-5
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：1.2V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.2V @ 200mA
- Current - Output：200mA
- Current - Quiescent (Iq)：25 µA
- Current - Supply (Max)：-
- PSRR：95dB (1kHz), 90dB ~ 55dB (100Hz ~ 100kHz)
- Control Features：Enable
- Protection Features：Over Temperature, Short Circuit
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- Grade：-
- Qualification：-
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Overview
The LD56020M120R is a fixed-output linear regulator providing 1.2 V at up to 200 mA from an input range of 1.1 V to 5.5 V. It features ultra-low dropout voltage (max 190 mV at full load) and low quiescent current (typ 18 µA). The device includes logic-controlled shutdown with standby current below 0.1 µA, thermal protection, and output active discharge. It utilizes Flip-Chip4 or SOT23-5L packages for space-constrained designs.
Feature Summary
- Ultra-low noise performance suitable for sensitive RF circuits
- Logic-controlled electronic shutdown for extended battery life
- High accuracy output voltage tolerance across temperature ranges
- Integrated thermal shutdown and short-circuit current foldback
Applications
- Smartphones and tablets
- Image sensors
- VCO and RF modules
Procurement Notes
Verify the specific package variant required, as the LD56020 family is available in both Flip-Chip4 and SOT23-5L configurations. Confirm that the ordering suffix matches the desired physical footprint before finalizing procurement orders to ensure compatibility with existing PCB layouts.
Selection Notes
Select this component for applications requiring minimal board space and high power efficiency under light loads. The Flip-Chip4 package offers the smallest footprint, while the SOT23-5L provides a standard surface-mount option. Ensure input and output capacitors meet the recommended stability criteria specified in the datasheet.
Part Context
This part belongs to the LD56020 series of low-input-voltage, ultra-low-noise LDO regulators manufactured by STMicroelectronics. The series is designed for portable electronics where battery longevity and signal integrity are critical. Other variants in the family offer different fixed output voltages ranging from 0.6 V to 4.0 V.
Replacement Considerations
LD56020J120R
FAQ
What is the maximum dropout voltage for the LD56020M120R?
The maximum dropout voltage is 190 mV when the output current is 200 mA.
How does the enable pin function affect power consumption?
Setting the enable pin low activates the shutdown mode, reducing total current consumption to less than 0.1 µA.
