MIC4830YMM

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current, Adjustable Output
• Package: 8-Pin MSOP (Mini Small Outline Package)
• Essence: Regulates voltage to provide a stable output
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Dropout Voltage: 200mV at 150mA
• Maximum Output Current: 500mA
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 75µA typical
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC4830YMM has the following pin configuration:

```

---

| | --| EN OUT |-- Pin 1: Enable (EN) --| GND FB |-- Pin 2: Ground (GND) --| VIN NC |-- Pin 3: Input Voltage (VIN) --| NC NC |-- Pin 4: Not Connected (NC) --| NC NC |-- Pin 5: Not Connected (NC) --| NC NC |-- Pin 6: Not Connected (NC) --| NC NC |-- Pin 7: Not Connected (NC) --| VOUT NC |-- Pin 8: Output Voltage (VOUT) |___________| ```

Functional Features

• Low dropout voltage for efficient regulation
• High current capability for powering various loads
• Adjustable output voltage for flexibility
• Enable pin for easy on/off control
• Thermal shutdown protection to prevent overheating
• Short-circuit current limiting for added safety

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion - High current capability allows for powering demanding loads - Adjustable output voltage provides flexibility in different applications - Enable pin simplifies control of the regulator - Thermal shutdown and short-circuit protection enhance reliability

Disadvantages: - Limited maximum output current compared to some other regulators - Requires external components for proper operation

Working Principles

The MIC4830YMM is a voltage regulator that maintains a stable output voltage regardless of variations in the input voltage or load conditions. It utilizes a feedback mechanism to continuously adjust its internal circuitry, ensuring the desired output voltage is maintained.

When the input voltage (VIN) is applied, the regulator compares it with the reference voltage and adjusts the internal circuitry accordingly. The regulated output voltage (VOUT) is then provided through the output pin.

The enable pin (EN) allows for easy on/off control of the regulator. When the EN pin is high, the regulator operates normally, while pulling it low shuts down the regulator, reducing power consumption.

Detailed Application Field Plans

The MIC4830YMM is suitable for various applications that require a stable and adjustable voltage supply. Some potential application fields include:

1. Battery-Powered Devices: Provides regulated voltage for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial Automation: Used in control systems, sensors, and actuators to ensure stable power supply.
3. Automotive Electronics: Regulates voltage for automotive applications like infotainment systems, lighting, and motor control.
4. Communication Systems: Powers RF modules, transceivers, and base stations, maintaining a constant voltage for reliable communication.
5. Medical Equipment: Provides regulated voltage for medical devices, ensuring accurate and safe operation.

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with a wide input voltage range and high current capability.
2. LT1084: Low dropout voltage regulator with adjustable output and excellent line/load regulation.
3. LM1117: Fixed output voltage regulator available in various voltage options, suitable for low-power applications.
4. MAX603: Ultra-low quiescent current voltage regulator with low dropout voltage and adjustable output.
5. TPS7A47: High-current, low-noise voltage regulator with adjustable output and thermal shutdown protection.

These alternative models offer similar functionality to the MIC4830YMM and can be considered based on specific application requirements.

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