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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series
Packaging Cut Tape (CT) | Tape & Reel (TR)
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 13.2V
Voltage - Output (Min/Fixed) 2.7V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.35V @ 200mA
Current - Output 200mA
Current - Quiescent (Iq) 90 µA
Current - Supply (Max) 100 µA
PSRR 55dB ~ 50dB (120Hz ~ 10kHz)
Control Features Enable
Protection Features Over Current, Over Temperature
Operating Temperature -40°C ~ 125°C
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 5-TSSOP, SC-70-5, SOT-353
Supplier Device Package SOT-323-5
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LDK220C27R from STMicroelectronics is a 200mA low dropout linear regulator with a fixed 2.7V output. It features a low dropout of 0.35V at full load and a quiescent current of 90 µA, balancing performance and efficiency. The SOT-323-5 package is suitable for compact industrial and consumer applications.

  • Low dropout (0.35V @ 200mA) enables operation from 3V rails.
  • Moderate quiescent current (90 µA) for battery-powered devices.
  • 55dB PSRR (120Hz-10kHz) reduces supply noise.
  • Compact SOT-323-5 package for space-constrained PCBs.

Automotive Body Electronics

Stable 2.7V output for CAN transceivers and sensor interfaces, with 200mA for moderate loads.

Industrial Sensors

Low dropout (0.35V) allows operation from 3V rails, powering pressure and temperature sensors.

Consumer Electronics

Provides clean 2.7V for IR remote receivers and LED drivers in TVs and set-top boxes.

Battery Management Systems

90 µA quiescent current supports always-on monitoring circuits in battery packs.

Portable Instruments

The SOT-323-5 package and 200mA output suit handheld multimeters and calibration tools.

Q: What is the output voltage?
A: Fixed 2.7V output.
Q: What is the maximum current?
A: 200mA.
Q: What is the input voltage range?
A: Not specified in provided data; refer to the datasheet.
Q: What is the dropout voltage?
A: 0.35V at 200mA.
Q: What is the quiescent current?
A: 90 µA.
Q: What package is available?
A: SOT-323-5.
Base Product Number : LDK220C27
2.7V 200mA Industrial LDO Linear Regulator Low Dropout SOT-323-5 STMicroelectronics
Q: What is the output voltage?
A: Fixed 2.7V output.
Q: What is the maximum current?
A: 200mA.
Q: What is the input voltage range?
A: Not specified in provided data; refer to the datasheet.
Q: What is the dropout voltage?
A: 0.35V at 200mA.
Q: What is the quiescent current?
A: 90 µA.
Q: What package is available?
A: SOT-323-5.