Overview
The NCP1117DT50RKG is a low-dropout positive voltage regulator from onsemi, designed to provide high current output with excellent stability and protection features. This device is part of the NCP1117 series, which includes fixed and adjustable output voltage regulators. The NCP1117DT50RKG specifically offers a fixed output voltage of 5.0 V and is capable of delivering an output current in excess of 1.0 A. It features a maximum dropout voltage of 1.2 V at 800 mA over temperature, making it suitable for a wide range of consumer and industrial applications.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage | Vout | 4.75 | 5.0 | 5.25 | V |
| Output Current | Iout | - | - | 1.0 | A |
| Maximum Dropout Voltage | Vdropout | - | 1.2 | - | V at 800 mA |
| Input Voltage Range | Vin | - | - | 20 | V |
| Quiescent Current | IQ | - | 6.0 | 10 | mA |
| Ripple Rejection | RR | 50 | 60 | - | dB |
| Operating Ambient Temperature Range | TA | 0 | - | 125 | °C |
| Thermal Shutdown Temperature | TJ | - | - | 175 | °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 5.0 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
- 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 NCP1117DT50RKG?
The NCP1117DT50RKG can provide an output current in excess of 1.0 A.
- What is the maximum dropout voltage of the NCP1117DT50RKG?
The maximum dropout voltage is 1.2 V at 800 mA over temperature.
- What is the fixed output voltage of the NCP1117DT50RKG?
The fixed output voltage is 5.0 V.
- Does the NCP1117DT50RKG require a minimum load to maintain regulation?
No, the NCP1117DT50RKG does not require a minimum load to maintain regulation.
- What are the protection features of the NCP1117DT50RKG?
The device features current limit, safe operating area compensation, and thermal shutdown protection.
- What is the maximum input voltage for the NCP1117DT50RKG?
The maximum input voltage is 20 V.
- Is the NCP1117DT50RKG suitable for automotive applications?
- What are the package options for the NCP1117DT50RKG?
The device is available in SOT-223 and DPAK packages.
- How does the thermal shutdown protection work in the NCP1117DT50RKG?
The thermal shutdown protection limits the die temperature to approximately 175°C. If this temperature is exceeded, the regulator output switches off and then back on as the die cools.
- What is the operating ambient temperature range for the NCP1117DT50RKG?
The operating ambient temperature range is from 0°C to 125°C.
