Overview
The ADP3157JR-REEL is a high-performance, low-dropout (LDO) linear regulator designed by Analog Devices Inc. for use in high-current applications. This regulator is known for its high accuracy, low dropout voltage, and excellent line and load regulation, making it suitable for powering various high-current digital circuits and microcontrollers. The ADP3157JR-REEL is particularly noted for its reliability and protection features, including thermal shutdown, current limiting, and ESD protection.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package | SOIC-16 |
| Input Voltage Range | 12V |
| Output Voltage Range | 1.3V to 3.5V |
| Maximum Output Current | 1.5A |
| Quiescent Current | 45 μA |
| Dropout Voltage | 300 mV at 1.5 A load |
| Output Voltage Tolerance | ±1% |
| Mounting Type | Surface Mount |
Key Features
- High accuracy: ±1% output voltage tolerance
- Low dropout voltage: 300 mV at 1.5 A load
- Excellent line and load regulation
- Fast transient response
- Thermal shutdown and current limiting protection
- ESD protection
- Stable with ceramic output capacitors
- Low quiescent current: 45 μA
- High efficiency and low power consumption
- Compact and easy to use
- Wide output voltage adjustment range
Applications
- Powering high-current digital circuits
- Powering processors and microcontrollers (e.g., Intel Pentium III)
- Powering networking and communication equipment
Q & A
- Q: What is the primary function of the ADP3157JR-REEL?
A: The ADP3157JR-REEL is a high-performance, low-dropout (LDO) linear regulator designed for high-current applications. - Q: What is the input voltage range of the ADP3157JR-REEL?
A: The input voltage range is 12V. - Q: What is the maximum output current of the ADP3157JR-REEL?
A: The maximum output current is 1.5A. - Q: What protection features does the ADP3157JR-REEL have?
A: It includes thermal shutdown, current limiting, and ESD protection. - Q: Is the ADP3157JR-REEL RoHS compliant?
A: No, the ADP3157JR-REEL is not RoHS compliant. - Q: What is the package type of the ADP3157JR-REEL?
A: The package type is SOIC-16. - Q: What are some common applications of the ADP3157JR-REEL?
A: It is used for powering high-current digital circuits, processors, microcontrollers, and networking and communication equipment. - Q: Does the ADP3157JR-REEL have a wide output voltage adjustment range?
A: Yes, the output voltage range is adjustable from 1.3V to 3.5V. - Q: What is the quiescent current of the ADP3157JR-REEL?
A: The quiescent current is 45 μA. - Q: Is the ADP3157JR-REEL still in production?
A: Although some sources indicate it as obsolete, it is still available from various suppliers and not nearing discontinuation according to Analog Devices.
