MIC9130BM

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: SOP-8

Essence: The MIC9130BM is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The MIC9130BM is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 3.6V
• Dropout Voltage: 200mV at 300mA
• Quiescent Current: 75µA
• Output Current: Up to 500mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MIC9130BM has the following pin configuration:

```

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| | --| Vout Vin|-- --| GND EN |-- --| FB NC |-- |___________| ```

• Vout: Output voltage pin
• Vin: Input voltage pin
• GND: Ground pin
• EN: Enable pin
• FB: Feedback pin
• NC: No connection pin

Functional Features

• High Efficiency: The MIC9130BM offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of only 200mV at 300mA, the MIC9130BM can maintain a stable output even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be adjusted within the range of 1.2V to 3.6V, providing flexibility for various applications.
• Overcurrent Protection: The MIC9130BM incorporates overcurrent protection to prevent damage to the IC and connected devices in case of excessive current flow.
• Thermal Shutdown Protection: To prevent overheating, the MIC9130BM includes thermal shutdown protection, which shuts down the regulator temporarily if the temperature exceeds a certain threshold.

Advantages and Disadvantages

Advantages: - High efficiency - Adjustable output voltage - Overcurrent and thermal protection

Disadvantages: - Limited output current capacity (up to 500mA)

Working Principles

The MIC9130BM is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the feedback voltage (FB) with a reference voltage to adjust the pass transistor's resistance and maintain a stable output voltage. The enable pin (EN) controls the regulator's operation, allowing it to be turned on or off as needed.

Detailed Application Field Plans

The MIC9130BM can be used in various applications, including but not limited to: 1. Battery-powered devices: Provides a stable voltage supply for portable electronic devices such as smartphones, tablets, and wearable devices. 2. IoT devices: Ensures a reliable power source for Internet of Things (IoT) devices, enabling them to operate consistently. 3. Industrial equipment: Used in industrial automation systems, control panels, and sensors to maintain stable voltage levels. 4. Automotive electronics: Suitable for automotive applications, including infotainment systems, navigation devices, and lighting control modules.

Detailed and Complete Alternative Models

1. LM1117: A popular voltage regulator IC with similar characteristics and package options.
2. LT1763: Offers adjustable output voltage and low dropout voltage, suitable for demanding applications.
3. TPS7A47: Provides high efficiency and low noise performance, ideal for sensitive analog circuits.

These alternative models offer similar functionality and can be considered as substitutes for the MIC9130BM in various applications.

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