DS1856B-050+ - English Editing Encyclopedia Entry

Product Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High precision, low dropout voltage
Package: SOT-23
Essence: Integrated voltage regulator
Packaging/Quantity: Tape and Reel / 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 1.2V to 3.3V
• Dropout Voltage: 150mV at 100mA
• Output Current: 150mA
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The DS1856B-050+ features a standard SOT-23 package with 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

• High precision voltage regulation.
• Low dropout voltage for efficient power conversion.
• Wide input voltage range for versatile applications.
• Excellent line and load regulation for stable output voltage.
• Low quiescent current for power-saving operation.
• Compact SOT-23 package for space-constrained designs.

Advantages and Disadvantages

Advantages: - High precision voltage regulation ensures accurate output. - Low dropout voltage minimizes power dissipation. - Wide input voltage range allows compatibility with various power sources. - Excellent line and load regulation provides stable output under different conditions. - Low quiescent current reduces power consumption during standby.

Disadvantages: - Limited output current of 150mA may not be suitable for high-power applications. - SOT-23 package may require additional thermal management for dissipating heat.

Working Principles

The DS1856B-050+ is an integrated voltage regulator that utilizes a feedback control mechanism to maintain a stable output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusting the pass transistor accordingly. This ensures that the output voltage remains constant even when the input voltage or load conditions change.

Detailed Application Field Plans

The DS1856B-050+ is commonly used in various electronic devices and systems, including:

1. Portable consumer electronics: Smartphones, tablets, portable media players.
2. Battery-powered devices: Wearable devices, wireless sensors, IoT devices.
3. Industrial equipment: Test and measurement instruments, control systems.
4. Automotive electronics: Infotainment systems, navigation devices, lighting controls.
5. Medical devices: Patient monitoring systems, diagnostic equipment.

Detailed and Complete Alternative Models

1. LM1117-3.3: Low dropout voltage regulator with a fixed output voltage of 3.3V.
2. LT1763-5: High precision, low dropout voltage regulator with adjustable output voltage.
3. MCP1700-3302E: Low quiescent current, low dropout voltage regulator with fixed output voltage of 3.3V.
4. TPS79933: Ultra-low quiescent current, low dropout voltage regulator with fixed output voltage of 3.3V.

These alternative models offer similar functionality and can be considered as substitutes for the DS1856B-050+ based on specific requirements and design constraints.

In conclusion, the DS1856B-050+ is a high precision voltage regulator with low dropout voltage, making it suitable for a wide range of applications. Its compact size and excellent performance characteristics make it a popular choice among designers.