Overview
The NCP1117DT33T5G 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 NCP1117DT33T5G 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.
Key Specifications
| Parameter | 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 | 0.3 to 1.0 | mV |
| Load Regulation | 0.2 to 0.4 | % |
| Quiescent Current | 6.0 | mA |
| Thermal Shutdown Temperature | Approximately 175 | °C |
| Operating Ambient Temperature Range | 0 to +125 | °C |
| Package Type | DPAK (DT Suffix) |
Key Features
- Low dropout voltage of 1.2 V at 800 mA over temperature.
- Fixed output voltage of 3.3 V with no minimum load requirement.
- Internal protection features including output current limiting, safe operating area compensation, and thermal shutdown.
- High accuracy with reference/output voltage trimmed to ±1.0%.
- Operation up to 20 V input voltage.
- Pb-Free and AEC-Q100 qualified for automotive and other demanding applications.
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 NCP1117DT33T5G?
The maximum output current is 1.0 A.
- What is the maximum dropout voltage of the NCP1117DT33T5G?
The maximum dropout voltage is 1.2 V at 800 mA over temperature.
- What is the fixed output voltage of the NCP1117DT33T5G?
The fixed output voltage is 3.3 V.
- Does the NCP1117DT33T5G require a minimum load to maintain regulation?
No, it does not require a minimum load to maintain regulation.
- What are the internal protection features of the NCP1117DT33T5G?
The internal protection features include output current limiting, safe operating area compensation, and thermal shutdown.
- What is the maximum input voltage for the NCP1117DT33T5G?
The maximum input voltage is up to 20 V.
- What is the operating ambient temperature range for the NCP1117DT33T5G?
The operating ambient temperature range is 0 to +125°C.
- Is the NCP1117DT33T5G Pb-Free and AEC-Q100 qualified?
- What package type is the NCP1117DT33T5G available in?
The NCP1117DT33T5G is available in the DPAK (DT Suffix) package.
- What are some common applications of the NCP1117DT33T5G?
Common applications include consumer and industrial equipment point of regulation, switching power supply post-regulation, hard drive controllers, and battery chargers.
