MIC39151-1.65BU TR

Product Overview

Category

The MIC39151-1.65BU TR 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: SOT-23
• Input Voltage Range: 2.5V to 16V
• Dropout Voltage: 120mV at 150mA
• Quiescent Current: 120µA
• Load Regulation: ±0.1%
• Line Regulation: ±0.02%

Package

The MIC39151-1.65BU TR comes in a small-outline transistor (SOT-23) package, which is a surface-mount device package with three pins.

Essence

This voltage regulator is designed to provide a stable output voltage of 1.65V, regardless of variations in input voltage or load conditions.

Packaging/Quantity

The MIC39151-1.65BU TR is typically available in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Output Voltage: 1.65V
• Input Voltage Range: 2.5V to 16V
• Dropout Voltage: 120mV at 150mA
• Quiescent Current: 120µA
• Load Regulation: ±0.1%
• Line Regulation: ±0.02%
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23

Detailed Pin Configuration

The MIC39151-1.65BU TR has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

• Low dropout voltage: The MIC39151-1.65BU TR has a low dropout voltage of 120mV at 150mA, ensuring efficient regulation even with small input-output differentials.
• Low quiescent current: With a quiescent current of only 120µA, this voltage regulator minimizes power consumption in standby or idle modes.
• Excellent load and line regulation: The MIC39151-1.65BU TR provides precise output voltage regulation, maintaining stability under varying load conditions and input voltages.
• Thermal shutdown protection: This feature prevents the device from overheating by shutting down the regulator when the temperature exceeds a safe threshold.

Advantages and Disadvantages

Advantages

• Stable and accurate output voltage regulation.
• Low dropout voltage for efficient operation.
• Low quiescent current for reduced power consumption.
• Compact SOT-23 package for space-constrained applications.
• Thermal shutdown protection for enhanced safety.

Disadvantages

• Limited output voltage options (fixed at 1.65V).
• Not suitable for applications requiring higher output voltages.

Working Principles

The MIC39151-1.65BU TR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage derived from the output. Any difference between the two voltages is amplified and used to adjust the pass transistor, maintaining a constant output voltage.

Detailed Application Field Plans

The MIC39151-1.65BU TR finds applications in various electronic systems where a stable 1.65V voltage supply is required. Some common 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. Sensor circuits: Many sensors operate at 1.65V, and this voltage regulator can provide a stable power source for accurate sensor measurements.
3. Embedded systems: Microcontrollers, digital signal processors, and other embedded systems often require a precise and stable voltage supply, making the MIC39151-1.65BU TR suitable for such applications.

Detailed and Complete Alternative Models

1. LM1117-1.8: A 1.8V fixed voltage regulator with similar characteristics and package type.
2. MCP1700-3302E/TO: A 3.3V fixed voltage regulator in a TO-92 package.
3. LT1761ES5-1.8#TRMPBF: A 1.8V fixed voltage regulator in a SOT-23 package.

These alternative models offer different output voltages while providing similar features and package options as the MIC39151-1.65BU TR.

In conclusion, the MIC39151-1.65BU TR is a voltage regulator that provides a stable 1.65V output voltage. With its low dropout voltage, low quiescent current, and excellent regulation characteristics, it is well-su