Overview
The NCP1117DT33G is a low-dropout positive voltage regulator from onsemi, designed to provide high current output with minimal voltage drop. This regulator is part of the NCP1117 series, which includes fixed and adjustable output voltage options. The NCP1117DT33G specifically offers a fixed output voltage of 3.3 V, making it suitable for a variety of consumer and industrial applications. It is known for its high accuracy, low dropout voltage, and robust protection features.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3.3 | V |
| Output Current | 1.0 | A |
| Maximum Dropout Voltage | 1.2 | V (at 800 mA) |
| Input Voltage Range | Up to 20 | V |
| Quiescent Current | 6.0 | mA (typical) |
| Load Regulation | 0.5 | mV (typical) |
| Ripple Rejection | 62 | dB (typical at 120 Hz) |
| Operating Ambient Temperature Range | 0 to +125 | °C |
| Package Type | DPAK (DT Suffix) |
Key Features
- Low dropout voltage of 1.2 V at 800 mA
- No minimum load requirement for fixed voltage output devices
- Reference/output voltage trimmed to ±1.0% accuracy
- Internal protection features include output current limiting, safe operating area compensation, and thermal shutdown
- ESD protection exceeding Human Body Model (HBM), Machine Model (MM), and Charge Device Model (CDM) tests
- AEC-Q100 qualified and PPAP capable for automotive and other demanding 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 NCP1117DT33G?
The maximum output current is 1.0 A. - What is the maximum dropout voltage of the NCP1117DT33G?
The maximum dropout voltage is 1.2 V at 800 mA. - What is the input voltage range for the NCP1117DT33G?
The input voltage range is up to 20 V. - Does the NCP1117DT33G 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 NCP1117DT33G?
The internal protection features include output current limiting, safe operating area compensation, and thermal shutdown. - What is the operating ambient temperature range for the NCP1117DT33G?
The operating ambient temperature range is 0 to +125°C. - Is the NCP1117DT33G suitable for automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other demanding applications. - What type of package does the NCP1117DT33G come in?
The NCP1117DT33G comes in a DPAK (DT Suffix) package. - What is the ripple rejection of the NCP1117DT33G?
The ripple rejection is typically 62 dB at 120 Hz. - Does the NCP1117DT33G have ESD protection?
Yes, it exceeds the Human Body Model (HBM), Machine Model (MM), and Charge Device Model (CDM) tests for ESD protection.
