Overview
The NCP1117ST15T3G is a low-dropout positive voltage regulator from ON Semiconductor, part of the NCP1117 series. This regulator is capable of providing an output current in excess of 1.0 A with a maximum dropout voltage of 1.2 V at 800 mA over temperature. It is available in both fixed and adjustable output voltage configurations, making it versatile for various applications. The device features internal protection mechanisms such as output current limiting, safe operating area compensation, and thermal shutdown, ensuring reliable operation in diverse environments.
Key Specifications
| Characteristic | Value | Unit |
|---|---|---|
| Output Current | 1.0 A | A |
| Maximum Dropout Voltage | 1.2 V at 800 mA | V |
| Fixed Output Voltages | 1.5 V, 1.8 V, 1.9 V, 2.0 V, 2.5 V, 2.85 V, 3.3 V, 5.0 V, 12 V | V |
| Adjustable Output Voltage Range | 1.25 V to 18.8 V | V |
| Input Voltage (Max) | 20 V | V |
| Output Voltage Accuracy | ±1.0% | % |
| Quiescent Current (Typical) | 3.6 to 6.0 mA (depending on output voltage) | mA |
| Thermal Shutdown | Yes | - |
| Package Types | SOT-223, DPAK | - |
| Operating Ambient Temperature Range | 0 to +125°C (NCP1117), -40 to +125°C (NCP1117I, NCV1117) | °C |
Key Features
- Output current in excess of 1.0 A
- Low dropout voltage of 1.2 V at 800 mA over temperature
- Fixed output voltages of 1.5 V, 1.8 V, 1.9 V, 2.0 V, 2.5 V, 2.85 V, 3.3 V, 5.0 V, and 12 V
- Adjustable output voltage option from 1.25 V to 18.8 V
- No minimum load requirement for fixed voltage output devices
- Reference/output voltage trimmed to ±1.0% accuracy
- Internal protection features including 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 NCP1117ST15T3G?
The maximum output current is in excess of 1.0 A.
- What is the maximum dropout voltage of the NCP1117ST15T3G?
The maximum dropout voltage is 1.2 V at 800 mA over temperature.
- What are the available fixed output voltages for the NCP1117 series?
The fixed output voltages are 1.5 V, 1.8 V, 1.9 V, 2.0 V, 2.5 V, 2.85 V, 3.3 V, 5.0 V, and 12 V.
- Can the output voltage of the NCP1117ST15T3G be adjusted?
- What internal protection features does the NCP1117ST15T3G have?
The device features output current limiting, safe operating area compensation, and thermal shutdown.
- What is the maximum input voltage for the NCP1117ST15T3G?
The maximum input voltage is 20 V.
- What are the typical operating temperature ranges for the NCP1117ST15T3G?
The operating ambient temperature range is 0 to +125°C for the NCP1117 and -40 to +125°C for the NCP1117I and NCV1117.
- Is the NCP1117ST15T3G Pb-Free?
- What are some common applications for the NCP1117ST15T3G?
- Does the NCP1117ST15T3G require external capacitors for stability?
