Overview
The NCP1117ST33T3 is a low-dropout positive voltage regulator produced by onsemi. This component is part of the NCP1117 series, known for its high performance and reliability in various electronic applications. The NCP1117ST33T3 specifically provides a fixed output voltage of 3.3V 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, ensuring efficient voltage regulation.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage | Vout | 3.3 V | 3.3 V | 3.3 V | V |
| Output Current | Iout | - | - | 1.0 A | A |
| Dropout Voltage | Vdropout | - | 1.2 V | - | V |
| Input Voltage | Vin | - | - | 20 V | V |
| Reference Voltage Accuracy | Vref | 1.238 V | 1.25 V | 1.262 V | V |
| Temperature Range | Tj | -40°C | - | 125°C | °C |
| Package Type | - | - | - | SOT-223 | - |
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 3.3 V with no minimum load requirement
- Adjustable output version available (programmable from 1.25 V to 18.8 V with external resistors)
- 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 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 NCP1117ST33T3?
The maximum output current is in excess of 1.0 A.
- What is the fixed output voltage of the NCP1117ST33T3?
The fixed output voltage is 3.3 V.
- What is the maximum dropout voltage of the NCP1117ST33T3?
The maximum dropout voltage is 1.2 V at 800 mA over temperature.
- Does the NCP1117ST33T3 require a minimum load to maintain regulation?
No, the NCP1117ST33T3 does not require a minimum load to maintain regulation.
- What are the internal protection features of the NCP1117ST33T3?
The internal protection features include output current limiting, safe operating area compensation, and thermal shutdown.
- What is the maximum input voltage the NCP1117ST33T3 can handle?
The maximum input voltage is 20 V.
- What package types are available for the NCP1117 series?
The NCP1117 series is available in SOT-223 and DPAK packages.
- Is the NCP1117ST33T3 suitable for automotive applications?
- What is the temperature range for the NCP1117ST33T3?
The temperature range is from -40°C to 125°C.
- Is the NCP1117ST33T3 Pb-Free?
