Microchip Technology MIC5318-1.3YD5-TR

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series
Packaging Cut Tape (CT) |
Output Configuration Active
Output Type Positive
Number of Regulators Fixed
Voltage - Input (Max) 6V
Voltage - Output (Min/Fixed) 1.3V
Voltage - Output (Max) -
Voltage Dropout (Max) -
Current - Output 300mA
Current - Quiescent (Iq) 150 μA
Current - Supply (Max) -
PSRR 75dB ~ 55dB (1kHz ~ 20kHz)
Control Features Enable
Protection Features Over Current, Over Temperature
Operating Temperature -40°C ~ 125°C
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case SOT-23-5 Thin, TSOT-23-5
Supplier Device Package TSOT-23-5
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MIC5318-1.3YD5-TR from Microchip Technology is a fixed-output low dropout linear regulator delivering a stable 1.3V supply. Capable of sourcing up to 300mA, it features a low 150 μA quiescent current and excellent PSRR of 75dB to 55dB across 1kHz to 20kHz, ensuring clean power for noise-sensitive applications. Housed in a compact TSOT-23-5 package, this LDO is ideal for battery-powered and space-constrained designs.

  • Extended Battery Life: Low 150 μA quiescent current minimizes standby power draw in portable devices.
  • Clean Power Delivery: High PSRR (75dB to 55dB) suppresses input noise, ensuring stable output for sensitive analog and RF circuits.
  • Compact Footprint: TSOT-23-5 package saves board space for miniaturized electronic designs.
  • Reliable Fixed Output: Fixed 1.3V output simplifies design and ensures consistent performance without external resistor networks.

Portable Battery-Powered Devices

The MIC5318's low quiescent current of 150 μA helps extend battery life in portable electronics like wearables and IoT sensors, where standby power consumption is critical.

Noise-Sensitive Analog Circuits

With a PSRR of 75dB to 55dB (1kHz to 20kHz), this regulator effectively filters power supply noise, making it suitable for powering precision analog-to-digital converters and audio codecs.

FPGA and DSP Core Supplies

The fixed 1.3V output and 300mA current capability make it ideal for powering low-voltage digital cores in FPGAs and DSPs that require a stable, clean supply rail.

Wireless Communication Modules

Its high-frequency PSRR performance helps maintain signal integrity in RF transceivers and wireless modules by minimizing supply-induced noise and interference.

Industrial Sensor Interfaces

The small TSOT-23-5 package and reliable performance make it suitable for space-constrained industrial sensor interface circuits requiring a regulated 1.3V rail.

Q: What is the output voltage of the MIC5318-1.3YD5-TR?
A: This LDO provides a fixed output voltage of 1.3V.
Q: What is the maximum output current?
A: The MIC5318 can deliver up to 300mA of output current.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; please refer to the datasheet for this parameter.
Q: What is the dropout voltage?
A: The dropout voltage is not specified in the provided data; please refer to the datasheet for this parameter.
Q: What is the quiescent current?
A: The quiescent current is 150 μA.
Q: What package is this LDO available in?
A: It comes in a TSOT-23-5 package.
Base Product Number : MIC5318-1.3YD5
1.3V 300mA High PSRR LDO Linear Regulator Low Quiescent Current Microchip TSOT-23-5
Q: What is the output voltage of the MIC5318-1.3YD5-TR?
A: This LDO provides a fixed output voltage of 1.3V.
Q: What is the maximum output current?
A: The MIC5318 can deliver up to 300mA of output current.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; please refer to the datasheet for this parameter.
Q: What is the dropout voltage?
A: The dropout voltage is not specified in the provided data; please refer to the datasheet for this parameter.
Q: What is the quiescent current?
A: The quiescent current is 150 μA.
Q: What package is this LDO available in?
A: It comes in a TSOT-23-5 package.