Overview
The NCV1117DT25RKG is a low-dropout positive voltage regulator from onsemi, part of the NCP1117 series. This device 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 a DPAK package and is AEC-Q100 qualified, making it suitable for automotive and other applications requiring unique site and control change requirements.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Current | - | - | 1.0 A | A |
| Maximum Dropout Voltage | - | - | 1.2 V | V |
| Output Voltage | 2.4 V | 2.5 V | 2.6 V | V |
| Input Voltage Range | - | - | 20 V | V |
| Quiescent Current | - | 5.2 mA | 10 mA | mA |
| Ripple Rejection | 62 dB | 64 dB | 66 dB | dB |
| Operating Ambient Temperature Range | -40°C | - | 125°C | °C |
| Package Type | - | - | DPAK | - |
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 2.5 V with no minimum load requirement
- Adjustable output voltage option available in other variants of the series
- Reference/output voltage trimmed to ±1.0% accuracy
- Current limit, safe operating area compensation, and thermal shutdown protection
- Operation up to 20 V input
- AEC-Q100 qualified and PPAP capable for automotive applications
- Pb-Free devices
Applications
- Consumer and industrial equipment point of regulation
- Active SCSI termination for specific voltage versions
- Switching power supply post-regulation
- Hard drive controllers
- Battery chargers
Q & A
- What is the maximum output current of the NCV1117DT25RKG?
The maximum output current is in excess of 1.0 A. - What is the maximum dropout voltage of the NCV1117DT25RKG?
The maximum dropout voltage is 1.2 V at 800 mA over temperature. - What is the fixed output voltage of the NCV1117DT25RKG?
The fixed output voltage is 2.5 V. - Does the NCV1117DT25RKG require a minimum load to maintain regulation?
No, the fixed voltage output devices do not require a minimum load to maintain regulation. - What are the protection features of the NCV1117DT25RKG?
The device features output current limiting, safe operating area compensation, and thermal shutdown protection. - What is the operating ambient temperature range of the NCV1117DT25RKG?
The operating ambient temperature range is from -40°C to 125°C. - Is the NCV1117DT25RKG suitable for automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable. - What package type is the NCV1117DT25RKG available in?
The device is available in a DPAK package. - Is the NCV1117DT25RKG Pb-Free?
Yes, the device is Pb-Free. - How does the adjustable output voltage version of the NCP1117 series work?
The adjustable devices develop and maintain a nominal 1.25 V reference voltage between the output and adjust pins, which can be programmed using external resistors.
