Overview
The NCP1117ST50T3G is a low dropout (LDO) positive voltage regulator produced by onsemi. This component is part of the NCP1117 series, known for its high performance and versatility in various electronic circuits. The NCP1117ST50T3G is designed to deliver up to 1 A of output current with a fixed output voltage of 5 V. It operates over a wide input voltage range from 3.5 V to 20 V, making it suitable for a broad range of applications. The regulator features a compact SOT-223 4-lead package, which is surface mountable, enhancing its suitability for modern electronic designs.
Key Specifications
| Attribute | Value |
|---|---|
| Input Voltage - Max | 20 V |
| Output Voltage - Fixed | 5 V |
| Dropout Voltage - Max | 1.2 V (at 800 mA over temperature) |
| Output Current - Max | 1 A |
| Tolerance (%) | ±1% |
| Operating Temperature Range | 0°C to 125°C |
| Regulator Topology | Fixed |
| Quiescent Current | 6 mA |
| No. of Outputs | Single |
| Load Regulation | 6.7 mV |
| Current Limit | 1.5 A |
| Line Regulation | 0.9 mV |
| Package Style | SOT-223 (TO-261-4, SC-73) |
| Mounting Method | Surface Mount |
Key Features
- Output current in excess of 1.0 A
- Maximum dropout voltage of 1.2 V at 800 mA over temperature
- Fixed output voltages available (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 with two external resistors
- No minimum load requirement for fixed voltage output devices
- Reference/output voltage trimmed to ±1.0% accuracy
- Current limit, safe operating area compensation, and thermal shutdown protection
- Operation up to 20 V input
- AEC-Q100 Qualified and PPAP Capable for automotive and other applications requiring special site and control change requirements
- Pb-free packages available
Applications
- Point of regulation for industrial and consumer equipment
- Active SCSI termination for the 2.85 V version
- Post-regulation for switching power supplies
- Hard drive controllers
- Battery chargers
- Computing and data storage (e.g., SSDs, HDDs, servers)
- Consumer electronics (e.g., smartphones, tablets, personal gaming devices)
- IoT devices (e.g., thermostats, security cameras, lighting controls)
- Medical imaging equipment
Q & A
- What is the maximum output current of the NCP1117ST50T3G regulator?
The NCP1117ST50T3G regulator can provide a maximum output current of 1 A.
- Is the NCP1117ST50T3G regulator protected against over-temperature and overcurrent?
- What is the maximum dropout voltage of the NCP1117ST50T3G at 800 mA over temperature?
- What is the operating temperature range of the NCP1117ST50T3G?
- Does the NCP1117ST50T3G require a minimum load for regulation?
- What is the package style and mounting method of the NCP1117ST50T3G?
- Is the NCP1117ST50T3G AEC-Q100 Qualified?
- What are the key protection features of the NCP1117ST50T3G?
- What is the maximum input voltage that the NCP1117ST50T3G can operate with?
- Are Pb-free packages available for the NCP1117ST50T3G?
