Overview
The NCP551SN18T1G is a fixed output low dropout linear regulator (LDO) produced by onsemi. This device is part of the NCP551 series, designed for handheld communication equipment and portable battery-powered applications that require low quiescent current. The NCP551SN18T1G is housed in a TSOP-5 surface mount package and offers a nominal output voltage of 1.8 V. It features an ultra-low quiescent current of 4.0 μA, making it highly efficient for power-sensitive applications.
Key Specifications
| Characteristic | Value | Unit |
|---|---|---|
| Nominal Output Voltage | 1.8 | V |
| Quiescent Current (Typical) | 4.0 | μA |
| Maximum Operating Voltage | 12 | V |
| Output Current (Maximum) | 150 | mA |
| Output Voltage Temperature Coefficient | -100 | ppm/°C |
| Enable Input Threshold Voltage | 1.3 - 0.3 | V |
| Package Type | TSOP-5 (SOT23-5, SC59-5) | |
| Operating Temperature Range | -40°C to 85°C | |
| Minimum Output Capacitor | 0.1 μF |
Key Features
- Ultra-low quiescent current of 4.0 μA typical, making it suitable for battery-powered devices.
- High accuracy output voltage with a tolerance of 2.0%.
- Industrial temperature range of -40°C to 85°C (NCV551: -40°C to 125°C).
- AEC-Q100 qualified and PPAP capable for automotive and other demanding applications.
- Pb-free and RoHS compliant.
- Internal thermal shutdown circuitry for overtemperature protection.
- Current limit and temperature limit protection circuits.
- Enable pin for turning the regulator on or off.
Applications
- Battery-powered instruments.
- Handheld communication equipment.
- Camcorders and cameras.
- Portable battery-powered devices requiring low power consumption.
- Automotive and other applications requiring unique site and control change requirements.
Q & A
- What is the nominal output voltage of the NCP551SN18T1G?
The nominal output voltage of the NCP551SN18T1G is 1.8 V.
- What is the typical quiescent current of the NCP551SN18T1G?
The typical quiescent current is 4.0 μA.
- What is the maximum operating voltage for the NCP551SN18T1G?
The maximum operating voltage is 12 V.
- What is the maximum output current of the NCP551SN18T1G?
The maximum output current is 150 mA.
- What is the operating temperature range for the NCP551SN18T1G?
The operating temperature range is -40°C to 85°C.
- Is the NCP551SN18T1G AEC-Q100 qualified?
- What type of package does the NCP551SN18T1G come in?
The NCP551SN18T1G is housed in a TSOP-5 (SOT23-5, SC59-5) surface mount package.
- What is the minimum output capacitor required for the NCP551SN18T1G?
The minimum output capacitor required is 0.1 μF.
- Does the NCP551SN18T1G have thermal protection?
- How do I enable or disable the NCP551SN18T1G?
The regulator can be turned on or off using the enable pin.
