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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技術ソリューションにおける S-1172B21-U5T1G の適用に関連する 10 件の一般的な質問と回答をリストします。
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.