TL4051B12QDCKR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: Precision, Low Dropout, Adjustable Output
• Package: SC-70 (SOT-323)
• Essence: TL4051B12QDCKR is a precision voltage reference IC that provides a stable and accurate output voltage.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Output Voltage: Adjustable from 1.225V to 10V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 2.7V to 16V
• Quiescent Current: 60µA typical
• Dropout Voltage: 200mV typical at 1mA load current

Pin Configuration

The TL4051B12QDCKR IC has the following pin configuration:

____ VDD --| |-- GND --| |-- ADJ ------

• VDD: Power supply input
• GND: Ground reference
• ADJ: Output voltage adjustment pin

Functional Features

• Provides a precise and stable output voltage reference
• Adjustable output voltage allows flexibility in various applications
• Low dropout voltage enables operation in low-power scenarios
• Excellent initial accuracy and temperature coefficient ensure reliable performance across different operating conditions
• Low quiescent current minimizes power consumption

Advantages

• High precision and stability for accurate voltage references
• Wide operating temperature range for versatile applications
• Adjustable output voltage offers flexibility in circuit design
• Low dropout voltage enables efficient power management
• Small package size (SC-70) allows for space-saving designs

Disadvantages

• Limited output voltage range (1.225V to 10V)
• Requires an external resistor for output voltage adjustment

Working Principles

The TL4051B12QDCKR operates based on the bandgap reference principle. It utilizes a precision voltage divider network and a temperature-compensated current source to generate a stable reference voltage. The output voltage can be adjusted by connecting an external resistor between the ADJ pin and ground.

Application Field Plans

The TL4051B12QDCKR is commonly used in various applications that require a precise and stable voltage reference. Some of the typical application fields include:

1. Power management circuits
2. Analog-to-digital converters (ADCs)
3. Digital-to-analog converters (DACs)
4. Voltage regulators
5. Battery charging circuits
6. Sensor interfaces
7. Precision instrumentation

Alternative Models

Here are some alternative models that can be considered as substitutes for the TL4051B12QDCKR:

1. LM4040CIM3-4.1/NOPB
2. MAX603CPA+
3. REF3030AIDBZT
4. LT1461AIS8-5#PBF
5. MCP1501T-29E/OT

These alternatives offer similar functionality and performance characteristics, providing options for different design requirements.

In conclusion, the TL4051B12QDCKR is a precision voltage reference IC with adjustable output voltage, low dropout, and excellent accuracy. Its compact package and wide operating temperature range make it suitable for various applications in power management, data conversion, and precision instrumentation.