S-1172B21-U5T1G

Basic Information Overview

Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: Low Dropout, High Accuracy, Low Quiescent Current
Package: SOT-23-5
Essence: Linear Voltage Regulator
Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

Input Voltage Range: 2.5V to 6.0V
Output Voltage Range: 1.2V to 5.5V
Maximum Output Current: 150mA
Dropout Voltage: 200mV (typical) at 100mA load
Line Regulation: ±0.05% (typical)
Load Regulation: ±0.3% (typical)
Quiescent Current: 30µA (typical)

Detailed Pin Configuration

The S-1172B21-U5T1G has a total of five pins in the SOT-23-5 package: 1. VIN: Input voltage pin 2. GND: Ground pin 3. CE: Chip enable pin 4. VOUT: Output voltage pin 5. NC: No connection pin

Functional Features

Low dropout voltage allows for efficient regulation even with small input-output voltage differentials.
High accuracy ensures precise output voltage regulation.
Low quiescent current minimizes power consumption during standby or idle mode.
Built-in overcurrent protection safeguards the circuit from excessive current flow.

Advantages

Compact SOT-23-5 package enables space-saving designs.
Wide input voltage range provides flexibility in various applications.
Excellent line and load regulation ensure stable output voltage under different operating conditions.
Low quiescent current prolongs battery life in portable devices.

Disadvantages

Limited maximum output current may not be suitable for high-power applications.
Dropout voltage of 200mV may cause a significant power loss in low input voltage scenarios.

Working Principles

The S-1172B21-U5T1G is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The S-1172B21-U5T1G is commonly used in various electronic devices, including: - Battery-powered devices such as smartphones, tablets, and portable media players. - Industrial control systems and automation equipment. - Automotive electronics, including infotainment systems and engine control units. - Consumer electronics like digital cameras, handheld gaming consoles, and wearable devices.

Detailed and Complete Alternative Models

Some alternative models to the S-1172B21-U5T1G include: - S-1172B33-U5T1G: Similar specifications but with an output voltage range of 3.3V to 5.5V. - S-1172B50-U5T1G: Similar specifications but with an output voltage range of 5.0V to 5.5V. - S-1172B12-I6T1G: Similar specifications but in a different package (SOT-89-5).

Note: The above alternatives are just a few examples, and there are several other models available from different manufacturers.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací S-1172B21-U5T1G v technických řešeních

Sure! Here are 10 common questions and answers related to the application of S-1172B21-U5T1G in technical solutions:

Q1: What is S-1172B21-U5T1G? A1: S-1172B21-U5T1G is a specific model number of a voltage regulator IC (integrated circuit) commonly used in technical solutions.

Q2: What is the purpose of S-1172B21-U5T1G? A2: The purpose of S-1172B21-U5T1G is to regulate and stabilize the voltage supply in electronic circuits, ensuring a consistent and reliable power source.

Q3: What is the input voltage range for S-1172B21-U5T1G? A3: The input voltage range for S-1172B21-U5T1G typically varies between 2.0V and 6.0V.

Q4: What is the output voltage range for S-1172B21-U5T1G? A4: The output voltage range for S-1172B21-U5T1G can be adjusted using external components but typically ranges from 1.2V to 5.5V.

Q5: What is the maximum output current of S-1172B21-U5T1G? A5: The maximum output current of S-1172B21-U5T1G is usually around 500mA, which makes it suitable for powering various low to medium power devices.

Q6: Is S-1172B21-U5T1G suitable for battery-powered applications? A6: Yes, S-1172B21-U5T1G is often used in battery-powered applications due to its low dropout voltage and low quiescent current, which helps conserve battery life.

Q7: Can S-1172B21-U5T1G handle thermal overload? A7: Yes, S-1172B21-U5T1G incorporates built-in thermal shutdown protection to prevent damage from excessive heat.

Q8: Does S-1172B21-U5T1G have short-circuit protection? A8: Yes, S-1172B21-U5T1G includes short-circuit protection, which safeguards the IC and the connected circuitry in case of a short circuit.

Q9: Is S-1172B21-U5T1G suitable for automotive applications? A9: Yes, S-1172B21-U5T1G is often used in automotive applications due to its ability to withstand wide temperature ranges and its robust design.

Q10: Are there any recommended external components for S-1172B21-U5T1G? A10: Yes, to optimize performance, it is recommended to use input/output capacitors and resistors as specified in the manufacturer's datasheet for S-1172B21-U5T1G.

Please note that the specific details and specifications may vary depending on the manufacturer and version of the S-1172B21-U5T1G voltage regulator IC.