Micrel Inc. MIC5232-1.8YD5

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Product attributes Property Value
Manufacturer Micrel Inc.
Product Series
Packaging Bulk |
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 7V
Voltage - Output (Min/Fixed) 1.8V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.3V @ 10mA
Current - Output 10mA
Current - Quiescent (Iq) 3 µA
Current - Supply (Max) -
PSRR 55dB ~ 35dB (10Hz ~ 1kHz)
Control Features Enable
Protection Features Reverse Polarity
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

The MIC5232-1.8YD5 is a fixed 1.8V low dropout linear regulator designed for ultra-low power applications. With a maximum output of 10mA and a quiescent current of only 3µA, it excels in battery-powered and always-on circuits. The TSOT-23-5 package ensures a small footprint.

  • Ultra-Low Quiescent Current: 3µA quiescent current dramatically extends battery life in standby and always-on applications.
  • Low Dropout: 0.3V dropout at 10mA allows operation from nearly depleted batteries.
  • Precise 1.8V Output: Fixed output ideal for modern low-voltage digital ICs.
  • Small Package: TSOT-23-5 is suitable for space-constrained portable designs.

Always-On Memory Backup

The ultra-low 3µA quiescent current makes it perfect for keeping SRAM or RTC circuits powered in standby mode without draining the battery.

Energy Harvesting Systems

For micro-power energy harvesters, the 10mA output and low dropout enable efficient regulation of tiny harvested voltages.

Portable Medical Monitors

Low power consumption extends battery life in glucose monitors or pulse oximeters that require continuous operation.

IoT Sleep-Mode Circuits

In wireless sensor nodes, the 3µA quiescent current preserves battery during sleep intervals while maintaining a stable 1.8V rail.

Coin-Cell Powered Devices

The low dropout and minimal current draw are ideal for devices powered by small coin cells, maximizing usable capacity.

Automotive Standby Electronics

TSOT-23-5 package and low leakage suit automotive modules that need to stay powered while the vehicle is off.

Q: What is the output voltage of the MIC5232-1.8YD5?
A: The fixed output voltage is 1.8V.
Q: What is the maximum output current?
A: It provides up to 10mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; please refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.3V at 10mA.
Q: What is the quiescent current?
A: The quiescent current is extremely low at 3µA.
Q: What package is available?
A: It is available in a TSOT-23-5 package.
Base Product Number : MIC5232-1.8
1.8V 10mA LDO Linear Regulator Micrel TSOT-23-5 Ultra-Low Quiescent
Q: What is the output voltage of the MIC5232-1.8YD5?
A: The fixed output voltage is 1.8V.
Q: What is the maximum output current?
A: It provides up to 10mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; please refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.3V at 10mA.
Q: What is the quiescent current?
A: The quiescent current is extremely low at 3µA.
Q: What package is available?
A: It is available in a TSOT-23-5 package.