MIC39100-1.65BU

Product Overview

Category

The MIC39100-1.65BU belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• Voltage Output: 1.65V
• Package Type: TO-263-5 (D2PAK)
• Input Voltage Range: 2.7V to 16V
• Dropout Voltage: 350mV at 1A
• Maximum Output Current: 1A
• Line Regulation: ±0.05%
• Load Regulation: ±0.05%
• Operating Temperature Range: -40°C to +125°C

Package and Quantity

The MIC39100-1.65BU is available in a TO-263-5 package, also known as D2PAK. It is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage: 1.65V
• Input Voltage Range: 2.7V to 16V
• Dropout Voltage: 350mV at 1A
• Maximum Output Current: 1A
• Line Regulation: ±0.05%
• Load Regulation: ±0.05%
• Quiescent Current: 120µA
• Ripple Rejection: 70dB
• Shutdown Current: 0.1µA
• Thermal Shutdown Protection: Yes
• Short Circuit Protection: Yes
• Overcurrent Protection: Yes

Pin Configuration

The MIC39100-1.65BU has five pins arranged as follows:

```

---

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

• Vout: Output Voltage
• Vin: Input Voltage
• GND: Ground
• EN: Enable Pin (Active High)
• NC: No Connection

Functional Features

1. Voltage Regulation: The MIC39100-1.65BU provides a stable output voltage of 1.65V, regardless of input voltage fluctuations.
2. Low Dropout Voltage: With a dropout voltage of only 350mV at 1A, this regulator can efficiently operate even when the input voltage is close to the desired output voltage.
3. Wide Input Voltage Range: The device can accept input voltages ranging from 2.7V to 16V, making it suitable for various applications.
4. Thermal Shutdown Protection: The regulator includes built-in thermal shutdown protection, which prevents damage due to excessive heat.
5. Short Circuit and Overcurrent Protection: The MIC39100-1.65BU safeguards against short circuits and overcurrent conditions, ensuring the safety of the connected circuitry.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Low dropout voltage
• Wide input voltage range
• Thermal shutdown protection
• Short circuit and overcurrent protection

Disadvantages

• Limited maximum output current (1A)

Working Principles

The MIC39100-1.65BU is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a constant output voltage of 1.65V. The regulator operates in a continuous mode, providing a stable output voltage even under varying load conditions.

Application Field Plans

The MIC39100-1.65BU finds applications in various electronic systems where a stable 1.65V voltage supply is required. Some potential application fields include:

1. Battery-Powered Devices: Portable electronics such as smartphones, tablets, and wearable devices often require a regulated 1.65V supply for powering specific components.
2. Embedded Systems: Microcontrollers, sensors, and other digital circuits in embedded systems often rely on stable voltage levels for proper operation.
3. Communication Equipment: Wireless routers, modems, and network switches may utilize the MIC39100-1.65BU to ensure a consistent voltage supply to critical components.
4. Automotive Electronics: The regulator can be employed in automotive applications where a reliable 1.65V power source is necessary for various control modules.

Alternative Models

1. LM1117-1.65: A popular alternative with similar specifications and pin configuration.
2. LT1761-1.65: Another option offering comparable performance and features.
3. TPS73601-1.65: An alternative model from Texas Instruments with a different package type.

These alternative models can be considered based on specific requirements and availability.

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