Overview
The NCP1117DT18G 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 DPAK package and is designed to offer high accuracy and reliability in various applications.
Key Specifications
| Characteristic | Value | Unit |
|---|---|---|
| Input Voltage | 20 | V |
| Output Current | 1.0 A | A |
| Maximum Dropout Voltage at 800 mA | 1.2 | V |
| Output Voltage (Fixed) | 1.8 V | V |
| Reference Voltage (Adjustable Output Devices) | 1.238 to 1.270 | V |
| Quiescent Current | 4.2 to 6.0 | mA |
| Thermal Shutdown | Yes | |
| Package Type | DPAK (DT Suffix) | |
| Operating Ambient Temperature Range | 0 to +125°C | °C |
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 1.8 V (for NCP1117DT18G)
- Adjustable Output Voltage Option (for other variants)
- No Minimum Load Requirement for Fixed Voltage Output Devices
- Reference/Output Voltage Trimmed to ±1.0%
- Current Limit, Safe Operating, and Thermal Shutdown Protection
- Operation to 20 V Input
- Pb-Free Packages Available
- AEC-Q100 Qualified and PPAP Capable for Automotive and Other Applications
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 NCP1117DT18G?
The NCP1117DT18G can provide an output current 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 is the fixed output voltage of the NCP1117DT18G?
The fixed output voltage of the NCP1117DT18G is 1.8 V. - Does the NCP1117 series have adjustable output voltage options?
Yes, the NCP1117 series includes adjustable output versions that can be programmed from 1.25 V to 18.8 V with two external resistors. - What are the internal protection features of the NCP1117 series?
The internal protection features include output current limiting, safe operating area compensation, and thermal shutdown. - What is the maximum input voltage for the NCP1117 series?
The maximum input voltage for the NCP1117 series is 20 V. - In what packages are the NCP1117 devices available?
The devices are available in SOT-223 and DPAK packages. - Is the NCP1117DT18G suitable for automotive applications?
Yes, the NCV prefix variants are AEC-Q100 qualified and PPAP capable, making them suitable for automotive and other applications requiring unique site and control change requirements. - What is the operating ambient temperature range for the NCP1117?
The operating ambient temperature range for the NCP1117 is 0 to +125°C. - Are the NCP1117 devices Pb-free?
Yes, the NCP1117 devices are Pb-free.
