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Product attributes Property Value
Manufacturer MCC (Micro Commercial Components)
Product Series
Packaging Bulk |
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 30V
Voltage - Output (Min/Fixed) 3.3V
Voltage - Output (Max) -
Voltage Dropout (Max) 1.4V @ 1A
Current - Output 1A
Current - Quiescent (Iq) 5 mA
Current - Supply (Max) -
PSRR 60dB ~ 62dB (120Hz ~ 1kHz)
Control Features -
Protection Features Over Temperature
Operating Temperature -20°C ~ 125°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case TO-261-4, TO-261AA
Supplier Device Package SOT-223

The MCT1117C-3.3-TP is a fixed 3.3V low dropout linear regulator rated for 1A output current. In a SOT-223 package, it features a dropout voltage of 1.4V at full load and a quiescent current of 5mA. With PSRR of 60-62dB, it provides clean, stable power for 3.3V digital and analog systems.

  • Industry-Standard 3.3V: Perfect for modern digital ICs and modules.
  • 1A Output Current: Handles demanding loads without thermal issues.
  • Low Dropout Voltage: 1.4V dropout allows operation from 5V rails with margin.
  • Excellent Noise Rejection: 60-62dB PSRR for sensitive RF and analog circuits.

Microcontroller Power Supply

The 3.3V rail is the standard for most modern MCUs. The MCT1117C-3.3-TP provides a stable 3.3V output with 1A capability, supporting the MCU and its peripherals.

Wireless Modules and IoT

Wi-Fi, Bluetooth, and LoRa modules require clean 3.3V power. This LDO's 60-62dB PSRR ensures reliable wireless performance by minimizing supply noise.

FPGA and CPLD Core Logic

Many FPGAs and CPLDs operate at 3.3V for I/O banks. The 1A output can power multiple I/O standards and auxiliary circuits.

Sensor Conditioning Circuits

Analog sensors and their signal conditioning circuits benefit from the low-noise output of this regulator, improving measurement accuracy.

Embedded Systems

Raspberry Pi HATs and other embedded add-ons can use this LDO to generate a local 3.3V rail from a 5V supply, ensuring consistent operation.

LED Display Drivers

LED matrix displays with 3.3V logic can be powered efficiently, with the 1A current handling multiple driver ICs.

Q: What is the output voltage of the MCT1117C-3.3-TP?
A: The fixed output voltage is 3.3V.
Q: What is the maximum output current?
A: It can deliver up to 1A of continuous output current.
Q: What is the input voltage range?
A: The input voltage must be at least 1.4V above the output (dropout); typical operation is from 4.7V up to 15V.
Q: What is the dropout voltage?
A: The dropout voltage is 1.4V at a 1A load.
Q: What is the quiescent current?
A: The quiescent current is typically 5mA.
Q: What package is available?
A: It comes in the SOT-223 surface-mount package.
Base Product Number : MCT1117C-3.3
1A 3.3V Fixed Output LDO Linear Regulator Low Dropout MCC SOT-223
Q: What is the output voltage of the MCT1117C-3.3-TP?
A: The fixed output voltage is 3.3V.
Q: What is the maximum output current?
A: It can deliver up to 1A of continuous output current.
Q: What is the input voltage range?
A: The input voltage must be at least 1.4V above the output (dropout); typical operation is from 4.7V up to 15V.
Q: What is the dropout voltage?
A: The dropout voltage is 1.4V at a 1A load.
Q: What is the quiescent current?
A: The quiescent current is typically 5mA.
Q: What package is available?
A: It comes in the SOT-223 surface-mount package.