Overview
The NCP1117DT33T5 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. It is available in a fixed output voltage of 3.3 V and is packaged in a TO-252-3 (DPAK) surface mount package. The device features internal protection mechanisms such as output current limiting, safe operating area compensation, and thermal shutdown, ensuring reliable operation under various conditions.
Key Specifications
| Characteristic | Value | Unit |
|---|---|---|
| Input Voltage - Max | 20 | V |
| Output Voltage - Fixed | 3.3 | V |
| Dropout Voltage - Max | 1.2 | V |
| Output Current - Max | 1 A | A |
| Tolerance | ±1% | % |
| Operating Temperature Range | 0°C to 125°C | °C |
| Regulator Topology | Fixed | |
| Quiescent Current | 6 mA | mA |
| No. of Outputs | Single | |
| Output Noise | 0.003 V | V |
| Load Regulation | 4.3 mV | mV |
| Current Limit | 1.5 A | A |
| Line Regulation | 0.8 mV | mV |
| Package Style | TO-252-3 (DPAK) | |
| Mounting Method | Surface Mount |
Key Features
- Output Current in Excess of 1.0 A
- 1.2 V Maximum Dropout Voltage at 800 mA Over Temperature
- Fixed Output Voltage of 3.3 V
- Adjustable Output Voltage Option (in the series, not this specific model)
- No Minimum Load Requirement for Fixed Voltage Output Devices
- Reference/Output Voltage Trimmed to ±1.0%
- Current Limit, Safe Operating Area Compensation, and Thermal Shutdown Protection
- Operation to 20 V Input
- AEC-Q100 Qualified and PPAP Capable for Automotive and Other Applications Requiring Unique Site and Control Change Requirements
- Pb-Free Devices
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 NCP1117DT33T5?
The maximum output current is 1.0 A.
- What is the maximum dropout voltage of the NCP1117DT33T5?
The maximum dropout voltage is 1.2 V at 800 mA over temperature.
- What is the fixed output voltage of the NCP1117DT33T5?
The fixed output voltage is 3.3 V.
- Does the NCP1117DT33T5 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 NCP1117DT33T5?
The internal protection features include output current limiting, safe operating area compensation, and thermal shutdown.
- What is the maximum input voltage the NCP1117DT33T5 can handle?
The maximum input voltage is 20 V.
- In what package is the NCP1117DT33T5 available?
The device is available in a TO-252-3 (DPAK) surface mount package.
- Is the NCP1117DT33T5 qualified for automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements.
- What is the operating temperature range of the NCP1117DT33T5?
The operating temperature range is from 0°C to 125°C.
- Is the NCP1117DT33T5 a Pb-Free device?
Yes, it is a Pb-Free device.
