Overview
The NCP1117STAT3G, produced by onsemi, is a low-dropout positive voltage regulator capable of providing an output current in excess of 1.0 A. This regulator is part of the NCP1117 series, which includes fixed and adjustable output voltage options. The device is known for its high accuracy, low dropout voltage, and robust protection features, making it suitable for a wide range of consumer and industrial applications.
Key Specifications
| Characteristic | Value | Unit |
|---|---|---|
| Input Voltage | Up to 20 | V |
| Output Current | Up to 1.0 A | A |
| Maximum Dropout Voltage | 1.2 V at 800 mA | 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% | % |
| Protection Features | Output current limiting, safe operating area compensation, thermal shutdown | - |
| Package Types | SOT-223, DPAK | - |
Key Features
- Output current in excess of 1.0 A
- Low dropout voltage of 1.2 V at 800 mA
- Fixed output voltages with no minimum load requirement
- Adjustable output voltage option from 1.25 V to 18.8 V
- High accuracy with reference/output voltage trimmed to ±1.0%
- Internal protection features including 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 critical applications
Applications
- Consumer and industrial equipment point of regulation
- Active SCSI termination for the 2.85 V version
- Switching power supply post-regulation
- Hard drive controllers
- Battery chargers
Q & A
- What is the maximum output current of the NCP1117STAT3G?
The NCP1117STAT3G can provide an output current in excess of 1.0 A.
- What are the fixed output voltage options available 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.
- How can the output voltage be adjusted in the NCP1117 series?
The output voltage can be adjusted from 1.25 V to 18.8 V using two external resistors.
- What are the key protection features of the NCP1117STAT3G?
The device includes output current limiting, safe operating area compensation, and thermal shutdown protection.
- What is the maximum input voltage for the NCP1117STAT3G?
The maximum input voltage is up to 20 V.
- What are the package types available for the NCP1117 series?
The devices are available in SOT-223 and DPAK packages.
- Is the NCP1117STAT3G suitable for automotive applications?
- What is the reference/output voltage accuracy of the NCP1117 series?
The reference/output voltage is trimmed to within ±1.0% accuracy.
- Do the fixed output voltage devices require a minimum load to maintain regulation?
No, the fixed output voltage devices do not require a minimum load to maintain regulation.
- What type of capacitors are recommended for input and output stability?
Ceramic or tantalum capacitors are recommended. For input bypass, a 10 μF capacitor is adequate, and for output stability, a minimum capacitance of 4.7 μF with appropriate ESR is required.
