Overview
The NCP1117DT285RKG 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. It is available in a DPAK package and is designed for various consumer and industrial applications, offering high output voltage accuracy and temperature stability.
Key Specifications
| Characteristic | Value | Unit |
|---|---|---|
| Input Voltage | Up to 20 | V |
| Output Current | Up to 1.0 A | A |
| Output Voltage | 2.85 V (for DT285 version) | V |
| Maximum Dropout Voltage | 1.2 V at 800 mA | V |
| Quiescent Current | Typically 5.5 mA | mA |
| Ripple Rejection | Up to 62 dB | dB |
| Thermal Shutdown | Approximately 175°C | °C |
| Package Type | DPAK (DT Suffix) | |
| Operating Ambient Temperature Range | −40 to +125°C (for NCP1117I and NCV1117) | °C |
Key Features
- Output current in excess of 1.0 A
- Maximum dropout voltage of 1.2 V at 800 mA over temperature
- Fixed output voltage of 2.85 V (for DT285 version)
- 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
- Pb-Free devices
- 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 2.85 V version
- Switching power supply post regulation
- Hard drive controllers
- Battery chargers
Q & A
- What is the maximum output current of the NCP1117DT285RKG?
The maximum output current is in excess of 1.0 A. - What is the maximum dropout voltage of the NCP1117DT285RKG?
The maximum dropout voltage is 1.2 V at 800 mA over temperature. - What is the output voltage of the NCP1117DT285RKG?
The output voltage is 2.85 V. - Does the NCP1117DT285RKG 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 NCP1117DT285RKG?
The internal protection features include output current limiting, safe operating area compensation, and thermal shutdown. - What is the maximum input voltage for the NCP1117DT285RKG?
The maximum input voltage is up to 20 V. - What package type is the NCP1117DT285RKG available in?
The device is available in a DPAK package. - What is the operating ambient temperature range for the NCP1117DT285RKG?
The operating ambient temperature range is −40 to +125°C. - Is the NCP1117DT285RKG AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified and PPAP capable. - What are some typical applications of the NCP1117DT285RKG?
Typical applications include consumer and industrial equipment point of regulation, active SCSI termination, switching power supply post regulation, hard drive controllers, and battery chargers.
