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MIC5233-1.8YM5-TRVAO

MCHPMIC5233-1.8YM5-TRVAO

Microchip Technology
LDO Voltage Regulators High Vin, Low Iq Regulator
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Overview

The MIC5233-1.8YM5-TRVAO is a high input voltage, low dropout regulator designed for automotive and industrial applications. It provides a fixed 1.8V output with a maximum input voltage of 36V, making it suitable for systems powered by 12V or 24V batteries. This AEC-Q100 qualified device features a very low quiescent current of 18uA and a shutdown current of less than 1uA.

Why Choose This Part

The regulator is robust against harsh electrical environments, featuring integrated reverse battery and reverse leakage protection. Its ultra-low ground current extends battery life in standby modes, while its compatibility with ceramic capacitors allows for compact PCB layouts.

Applications

Automotive ECU Power
Supplying clean 1.8V logic power to microcontrollers and sensors directly from the vehicle battery rail.
Industrial Sensors
Powering 4-20mA loop-powered transmitters and high-voltage field sensors where low power consumption is critical.
Battery-Powered Tools
Regulating voltage in handheld devices that require high surge protection and reverse battery safety.

Key Specifications

Output Type Fixed
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Control Features Enable
Current - Output 100mA
Protection Features Over Current, Over Temperature, Reverse Polarity
Number of Regulators 1
Output Configuration Positive
Operating Temperature -40degC ~ 125degC (TJ)
Voltage - Input (Max) 36V
Voltage Dropout (Max) 0.45V @ 100mA
Current - Supply (Max) 2 mA
Supplier Device Package SOT-23-5
Current - Quiescent (Iq) 35 uA
Voltage - Output (Min/Fixed) 1.8V

Getting Started

To implement this LDO, place a 2.2uF or larger ceramic capacitor on the output for stability and ensure the input capacitor is rated for at least 36V. Connect the EN pin to the input voltage for continuous operation or to a logic-level signal for power sequencing.

Categories

Power Management > LDO Voltage Regulators