MIC1832NY

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Voltage Regulator
• Package: SOT-23-5
• Essence: Voltage regulator with low dropout voltage and high output current capability
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 3.6V
• Dropout Voltage: 200mV at 150mA
• Output Current: Up to 150mA
• Quiescent Current: 75µA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

MIC1832NY is a 5-pin device with the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. BYP: Bypass Capacitor Connection
5. VOUT: Output Voltage

Functional Features

• Low dropout voltage ensures stable output even with low input voltage.
• High output current capability allows for powering various components.
• Enable pin provides control over the regulator's operation.
• Bypass capacitor connection improves stability and reduces noise.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - High output current capability enables versatile applications. - Enable pin offers flexibility in controlling the regulator. - Small package size (SOT-23-5) allows for space-saving designs.

Disadvantages: - Limited output current compared to higher-rated regulators. - Not suitable for applications requiring very low quiescent current.

Working Principles

MIC1832NY is a low dropout voltage regulator that maintains a stable output voltage even when the input voltage is close to or slightly lower than the desired output voltage. It achieves this by utilizing a PNP pass transistor in conjunction with an error amplifier and feedback circuitry. The enable pin allows for turning the regulator on or off as needed, conserving power when not in use. The bypass capacitor connection further enhances stability and reduces noise.

Detailed Application Field Plans

The MIC1832NY is commonly used in various applications where a stable and regulated power supply is required. Some of the typical application fields include:

1. Battery-powered devices: Portable electronics, handheld instruments, and wireless communication devices benefit from the low dropout voltage and high output current capability of the MIC1832NY.
2. Automotive electronics: The regulator's wide input voltage range and temperature range make it suitable for automotive applications such as infotainment systems, lighting controls, and sensors.
3. Industrial equipment: Control systems, motor drives, and instrumentation devices can utilize the MIC1832NY for reliable power management.
4. IoT devices: With its small package size and low quiescent current, the regulator is well-suited for powering IoT devices like sensors, smart home devices, and wearable technology.

Detailed and Complete Alternative Models

• MIC1830: Similar to MIC1832NY but with a fixed output voltage of 3.3V.
• MIC1831: Adjustable output voltage version with a wider input voltage range.
• MIC1833: Higher output current capability (up to 300mA) while maintaining low dropout voltage.
• MIC1834: Dual output voltage regulator with independent enable pins.

These alternative models provide options based on specific requirements and offer flexibility in design choices.

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