Overview
The NCP1117ST25T3G, produced by onsemi, is a low-dropout positive voltage regulator that is part of the NCP1117 series. This series is known for its high current capability, low dropout voltage, and high accuracy. The NCP1117ST25T3G specifically provides a fixed output voltage of 2.5 V and is capable of delivering an output current in excess of 1.0 A. It features internal protection mechanisms such as output current limiting, safe operating area compensation, and thermal shutdown, making it a reliable choice for various consumer and industrial applications.
Key Specifications
| Characteristic | Value | Unit |
|---|---|---|
| Output Voltage | 2.5 V | V |
| Output Current | Up to 1.0 A | A |
| Maximum Dropout Voltage | 1.2 V at 800 mA | V |
| Input Voltage Range | Up to 20 V | V |
| Reference/Output Voltage Accuracy | ±1.0% | % |
| Thermal Shutdown | Yes | - |
| Operating Ambient Temperature Range | 0 to +125°C (NCP1117), -40 to +125°C (NCP1117I, NCV1117) | °C |
| Package Type | SOT-223 (ST Suffix) | - |
Key Features
- Output current in excess of 1.0 A
- Maximum dropout voltage of 1.2 V at 800 mA over temperature
- No minimum load requirement for fixed voltage output devices
- Reference/output voltage trimmed to ±1.0% accuracy
- Internal protection features: output current limiting, safe operating area compensation, and thermal shutdown
- Operation up to 20 V input
- Pb-Free devices
- AEC-Q100 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements
Applications
- Consumer and industrial equipment point of regulation
- Active SCSI termination for the 2.85 V version
- Switching power supply post-regulation
- Hard drive controllers
- Battery chargers
Q & A
- What is the maximum output current of the NCP1117ST25T3G?
The maximum output current is in excess of 1.0 A. - What is the maximum dropout voltage of the NCP1117ST25T3G?
The maximum dropout voltage is 1.2 V at 800 mA over temperature. - What is the input voltage range for the NCP1117ST25T3G?
The input voltage range is up to 20 V. - Does the NCP1117ST25T3G have internal protection features?
Yes, it includes output current limiting, safe operating area compensation, and thermal shutdown. - What is the operating ambient temperature range for the NCP1117ST25T3G?
The operating ambient temperature range is 0 to +125°C for NCP1117 and -40 to +125°C for NCP1117I and NCV1117. - What package type is the NCP1117ST25T3G available in?
The NCP1117ST25T3G is available in the SOT-223 package. - Is the NCP1117ST25T3G Pb-Free?
Yes, the NCP1117ST25T3G is a Pb-Free device. - What are some common applications of the NCP1117ST25T3G?
Common applications include consumer and industrial equipment point of regulation, active SCSI termination, switching power supply post-regulation, hard drive controllers, and battery chargers. - How accurate is the output voltage of the NCP1117ST25T3G?
The reference/output voltage is trimmed to ±1.0% accuracy. - Is the NCP1117ST25T3G AEC-Q100 qualified?
Yes, the NCP1117ST25T3G is AEC-Q100 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements.
