Overview
The NCP1117DT12G is a low-dropout positive voltage regulator from onsemi, designed to provide high current output with excellent voltage regulation. This device is part of the NCP1117 series, which includes fixed and adjustable output voltage options. The NCP1117DT12G specifically offers a fixed output voltage of 12 V, making it suitable for a variety of consumer and industrial applications. It features a maximum dropout voltage of 1.2 V at 800 mA over temperature, ensuring efficient operation even under high current conditions.
Key Specifications
| Characteristic | Symbol | Min | Max | Unit | |
|---|---|---|---|---|---|
| Output Voltage | Vout | 11.4 | 12 | 12.6 | V |
| Output Current | Iout | - | - | 1.0 | A |
| Maximum Dropout Voltage | Vdropout | - | 1.2 | - | V at 800 mA |
| Quiescent Current | Iq | - | - | 10 | mA |
| Ripple Rejection | RR | - | - | 57 | dB |
| Operating Ambient Temperature Range | TA | 0 | - | 125 | °C |
| Storage Temperature Range | Tstg | -65 | - | 150 | °C |
| Maximum Die Junction Temperature Range | TJ | -55 | - | 150 | °C |
Key Features
- Output current in excess of 1.0 A
- Maximum dropout voltage of 1.2 V at 800 mA over temperature
- Fixed output voltage of 12 V with no minimum load requirement
- 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 specific versions
- Switching power supply post-regulation
- Hard drive controllers
- Battery chargers
Q & A
- What is the maximum output current of the NCP1117DT12G?
The NCP1117DT12G can provide an output current in excess of 1.0 A.
- What is the maximum dropout voltage of the NCP1117DT12G?
The maximum dropout voltage is 1.2 V at 800 mA over temperature.
- What is the fixed output voltage of the NCP1117DT12G?
The fixed output voltage is 12 V.
- Does the NCP1117DT12G require a minimum load to maintain regulation?
No, the NCP1117DT12G does not require a minimum load to maintain regulation.
- What are the internal protection features of the NCP1117DT12G?
The internal protection features include output current limiting, safe operating area compensation, and thermal shutdown.
- What is the maximum input voltage for the NCP1117DT12G?
The maximum input voltage is 20 V.
- Is the NCP1117DT12G suitable for automotive applications?
- What are the typical applications of the NCP1117DT12G?
Typical applications include consumer and industrial equipment point of regulation, switching power supply post-regulation, hard drive controllers, and battery chargers.
- What is the operating ambient temperature range of the NCP1117DT12G?
The operating ambient temperature range is from 0°C to 125°C.
- Is the NCP1117DT12G Pb-Free?
