Overview
The NCP1117DT33 is a low-dropout positive voltage regulator from onsemi, 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. The NCP1117DT33 is specifically configured to provide a fixed output voltage of 3.3 V. It features no minimum load requirement to maintain regulation, making it versatile for various applications. The device includes internal protection features such as output current limiting, safe operating area compensation, and thermal shutdown, ensuring reliable operation under different conditions.
Key Specifications
| Characteristic | Value | Unit |
|---|---|---|
| Output Voltage | 3.3 | V |
| Output Current | 1.0 | A |
| Maximum Dropout Voltage | 1.2 | V (at 800 mA) |
| Input Voltage Range | Up to 20 | V |
| Line Regulation | 0.04 to 0.1 | % |
| Load Regulation | 0.2 to 0.4 | % |
| Quiescent Current | 6.0 | mA |
| Thermal Shutdown | Approximately 175°C | |
| Package Type | DPAK (DT Suffix) | |
| 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
- 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
- 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 NCP1117DT33?
The maximum output current of the NCP1117DT33 is 1.0 A.
- What is the maximum dropout voltage of the NCP1117DT33?
The maximum dropout voltage is 1.2 V at 800 mA over temperature.
- What is the fixed output voltage of the NCP1117DT33?
The fixed output voltage of the NCP1117DT33 is 3.3 V.
- Does the NCP1117DT33 require a minimum load to maintain regulation?
No, the NCP1117DT33 does not require a minimum load to maintain regulation.
- What are the internal protection features of the NCP1117DT33?
The internal protection features include output current limiting, safe operating area compensation, and thermal shutdown.
- What is the maximum input voltage for the NCP1117DT33?
The maximum input voltage for the NCP1117DT33 is up to 20 V.
- What is the operating ambient temperature range for the NCP1117DT33?
The operating ambient temperature range is 0 to +125°C for NCP1117 and -40 to +125°C for NCP1117I and NCV1117.
- Is the NCP1117DT33 suitable for automotive applications?
- What package type is the NCP1117DT33 available in?
The NCP1117DT33 is available in the DPAK (DT Suffix) package.
- What are some common applications of the NCP1117DT33?
Common applications include consumer and industrial equipment point of regulation, active SCSI termination, switching power supply post-regulation, hard drive controllers, and battery chargers.
