S-1701W2521-U5T1G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Accuracy, Low Quiescent Current
• Package: SOT-23-5
• Essence: Regulates input voltage to a stable output voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 30µA
• Load Regulation: ±0.5%
• Line Regulation: ±0.3%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1701W2521-U5T1G has a total of five pins: 1. VIN: Input voltage pin 2. GND: Ground pin 3. EN: Enable pin for turning the regulator on/off 4. VOUT: Output voltage pin 5. BYP: Bypass capacitor connection pin

Functional Features

• Low dropout voltage ensures efficient regulation even with small voltage differentials between input and output.
• High accuracy provides precise output voltage control.
• Low quiescent current minimizes power consumption when the regulator is in standby mode.
• Built-in overcurrent and thermal protection safeguards the IC and connected components.

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Small package size (SOT-23-5) enables space-saving integration into compact electronic devices.
• Excellent load and line regulation ensure stable output voltage under varying conditions.
• Low quiescent current extends battery life in portable applications.

Disadvantages

• Limited output current capability (100mA) may not be sufficient for high-power applications.
• Dropout voltage of 200mV may cause a slight voltage drop across the regulator.

Working Principles

The S-1701W2521-U5T1G is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage derived from the output. The pass transistor adjusts its resistance to maintain a stable output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

The S-1701W2521-U5T1G is commonly used in various electronic devices requiring regulated power supply, such as: - Battery-powered devices: Portable audio players, handheld gaming consoles, and smartphones. - Industrial equipment: Sensors, control systems, and communication modules. - Automotive electronics: Infotainment systems, navigation units, and engine control units.

Detailed and Complete Alternative Models

1. S-1701W2521-U5T1U: Similar specifications but with an adjustable output voltage feature.
2. S-1701W2521-U5T2G: Higher output current capability (200mA) with slightly increased dropout voltage.
3. S-1701W2521-U5T3G: Lower quiescent current (10µA) for ultra-low power applications.

These alternative models provide flexibility and cater to specific requirements within the same product family.

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