TL4051B12IDBZT

Product Overview

• Category: Integrated Circuit
• Use: Voltage Reference
• Characteristics: Precision, Low Dropout, Micropower
• Package: SOT-23-3
• Essence: TL4051B12IDBZT is a precision voltage reference designed for low-power applications.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Voltage Reference Output: 1.225V
• 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: 45µA (typical)
• Dropout Voltage: 200mV (typical)

Pin Configuration

The TL4051B12IDBZT has a SOT-23-3 package with the following pin configuration:

```

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| | --| V+ | --| | --| OUT| --|____| ```

• V+: Supply Voltage Input
• OUT: Voltage Reference Output

Functional Features

• Provides a stable and precise voltage reference of 1.225V.
• Low dropout voltage allows operation with low supply voltages.
• Offers excellent initial accuracy and temperature stability.
• Low quiescent current makes it suitable for battery-powered devices.
• Fast response time ensures quick settling after load changes.

Advantages

• High precision and stability ensure accurate voltage references.
• Low dropout voltage enables efficient operation in low-power systems.
• Micropower consumption extends battery life in portable devices.
• Small package size allows for space-saving designs.
• Wide operating temperature range makes it suitable for various environments.

Disadvantages

• Limited output voltage options, only providing a fixed 1.225V reference.
• SOT-23-3 package may not be suitable for applications requiring higher power dissipation.

Working Principles

The TL4051B12IDBZT utilizes bandgap voltage reference technology to generate a stable and precise output voltage. It employs a combination of active and passive components to achieve accurate voltage references over a wide temperature range. The internal circuitry compensates for temperature variations, ensuring consistent performance.

Detailed Application Field Plans

The TL4051B12IDBZT is commonly used in the following applications:

1. Battery-powered devices: Provides a stable voltage reference for low-power microcontrollers, sensors, and other battery-operated systems.
2. Precision measurement instruments: Ensures accurate voltage references for analog-to-digital converters, digital multimeters, and other precision measurement equipment.
3. Industrial control systems: Used as a reference voltage source in control circuits, motor drives, and power management modules.
4. Automotive electronics: Provides a reliable voltage reference for automotive sensors, engine control units, and infotainment systems.
5. Portable consumer electronics: Enables precise voltage references in smartphones, tablets, wearables, and other portable devices.

Detailed and Complete Alternative Models

• TL431: Adjustable precision shunt regulator with similar characteristics but adjustable output voltage.
• LM4040: Precision micropower shunt voltage reference available in various output voltages.
• REF5025: High-precision voltage reference with low temperature drift and excellent long-term stability.

These alternative models offer different features and specifications, allowing designers to choose the most suitable voltage reference for their specific application requirements.

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