Overview
The NCP1117DT18T5G 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. The NCP1117 series includes fixed output voltages and an adjustable output version, making it versatile for various applications. The device features internal protection mechanisms such as output current limiting, safe operating area compensation, and thermal shutdown, ensuring reliable operation.
Key Specifications
| Characteristic | Value | Unit |
|---|---|---|
| Input Voltage | 20 | V |
| Output Current | 1.0 A | A |
| Maximum Dropout Voltage at 800 mA | 1.2 V | V |
| Fixed Output Voltages | 1.5 V, 1.8 V, 1.9 V, 2.0 V, 2.5 V, 2.85 V, 3.3 V, 5.0 V, 12 V | V |
| Adjustable Output Voltage Range | 1.25 V to 18.8 V | V |
| Reference/Output Voltage Accuracy | ±1.0% | % |
| Quiescent Current (Typical) | 4.2 - 6.0 mA | mA |
| Thermal Shutdown Temperature Range | −40 to +125 °C (NCP1117I and NCV1117) | °C |
| Package Types | SOT-223, DPAK | - |
Key Features
- Output Current in Excess of 1.0 A
- 1.2 V Maximum Dropout Voltage at 800 mA Over Temperature
- Fixed Output Voltages of 1.5 V, 1.8 V, 1.9 V, 2.0 V, 2.5 V, 2.85 V, 3.3 V, 5.0 V, and 12 V
- Adjustable Output Voltage Option from 1.25 V to 18.8 V
- 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
- Pb-Free Devices
Applications
- Consumer and Industrial Equipment Point of Regulation
- Active SCSI Termination for 2.85 V Version
- Switching Power Supply Post Regulation
- Hard Drive Controllers
- Battery Chargers
Q & A
- What is the maximum output current of the NCP1117DT18T5G?
The maximum output current is in excess of 1.0 A.
- What is the maximum dropout voltage at 800 mA?
The maximum dropout voltage at 800 mA is 1.2 V.
- What are the available fixed output voltages for the NCP1117 series?
The fixed output voltages available are 1.5 V, 1.8 V, 1.9 V, 2.0 V, 2.5 V, 2.85 V, 3.3 V, 5.0 V, and 12 V.
- Can the output voltage be adjusted, and if so, what is the range?
Yes, the output voltage can be adjusted from 1.25 V to 18.8 V using two external resistors.
- What protection features are built into the NCP1117 series?
The devices feature output current limiting, safe operating area compensation, and thermal shutdown protection.
- What is the maximum input voltage for the NCP1117 series?
The maximum input voltage is 20 V.
- What are the typical applications for the NCP1117 series?
Typical applications include consumer and industrial equipment point of regulation, active SCSI termination, switching power supply post regulation, hard drive controllers, and battery chargers.
- Are the NCP1117 devices Pb-Free?
Yes, the NCP1117 devices are Pb-Free.
- What are the package types available for the NCP1117 series?
The devices are available in SOT-223 and DPAK packages.
- Is the NCP1117 series qualified for automotive applications?
Yes, the NCV prefix devices are AEC-Q100 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements.
