LT3061IDCB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout Linear Regulator
• Package: DFN-8 (3mm x 3mm)
• Essence: Provides a stable output voltage with low dropout voltage
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 45V
• Output Voltage Range: 1.22V to 20V
• Dropout Voltage: 300mV at 1A Load Current
• Output Current: Up to 1.5A
• Quiescent Current: 40µA
• Line Regulation: ±0.02%
• Load Regulation: ±0.1%
• Ripple Rejection: 70dB at 1kHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3061IDCB has the following pin configuration:

1. VIN: Input Voltage Pin
2. GND: Ground Pin
3. ADJ: Output Voltage Adjustment Pin
4. NC: No Connection
5. NC: No Connection
6. NC: No Connection
7. VOUT: Output Voltage Pin
8. NC: No Connection

Functional Features

• Low dropout voltage allows for efficient regulation even with small input-output differentials.
• Wide input voltage range enables compatibility with various power sources.
• Excellent line and load regulation ensures stable output voltage under varying conditions.
• Low quiescent current minimizes power consumption in standby or low-load scenarios.
• High ripple rejection reduces noise and interference in the output voltage.

Advantages

• Stable output voltage with low dropout voltage.
• Wide input voltage range for versatile applications.
• Compact package size allows for space-saving designs.
• Low quiescent current for improved energy efficiency.
• High ripple rejection ensures clean output voltage.

Disadvantages

• Limited maximum output current of 1.5A may not be sufficient for high-power applications.
• No adjustable current limit feature.
• Higher cost compared to some other voltage regulators in the market.

Working Principles

The LT3061IDCB is a low dropout linear regulator that uses a PNP pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from the output, adjusting the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized through the use of a low resistance pass element.

Detailed Application Field Plans

The LT3061IDCB can be used in various applications, including but not limited to:

1. Battery-powered devices: Provides regulated voltage for portable electronics, ensuring stable operation even as the battery voltage decreases.
2. Industrial equipment: Suitable for powering control systems, sensors, and communication modules in industrial automation applications.
3. Automotive electronics: Can be used in automotive infotainment systems, lighting controls, and other vehicle electronics.
4. Telecommunications: Ideal for powering base stations, routers, and other telecom infrastructure components.
5. Medical devices: Ensures reliable power supply for medical instruments, patient monitoring systems, and diagnostic equipment.

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable Output Voltage Linear Regulator
2. LT1763-3.3: Low Dropout Linear Regulator with Fixed 3.3V Output
3. TPS7A4700: Ultra-Low Noise, High PSRR, Low Dropout Voltage Regulator
4. ADP3339: Low Dropout Linear Regulator with Adjustable Output Voltage
5. MAX6037: Low Dropout Linear Regulator with Fixed 5V Output

These alternative models offer similar functionality and can be considered based on specific requirements and design constraints.

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