Overview
The NCP133AMX120TCG is a 500 mA Very Low Dropout (VLDO) CMOS voltage regulator produced by onsemi. This device is designed for space-constrained, noise-sensitive applications and is particularly suited for battery-operated portable equipment. It features a separate bias supply voltage (VBIAS) and an NMOS pass transistor, which provides stable and accurate output voltage with low noise. The regulator is available in both fixed and adjustable voltage versions, making it versatile for various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 0.8 V to 5.5 V | V |
| Bias Voltage Range | 2.4 V to 5.5 V | V |
| Output Voltage Range | 0.8 V to 2.1 V (Fixed), 0.8 V to 3.6 V (Adjustable) | V |
| Output Current | Up to 500 mA | mA |
| Output Voltage Accuracy | ±1.5% over Temperature, 0.5% @ 25°C | % |
| Dropout Voltage | Typical 140 mV at 500 mA | mV |
| Bias Input Current | Typical 80 μA | μA |
| Enable Input Threshold | High: 0.9 V, Low: 0.4 V | V |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package Type | XDFN6 - 1.2 mm x 1.2 mm x 0.4 mm | |
| ESD Capability | Human Body Model: 2000 V, Machine Model: 200 V | V |
Key Features
- Very Low Dropout Voltage: Typical 140 mV at 500 mA
- Low Bias Input Current: Typical 80 μA
- Logic Level Enable Input for ON/OFF Control
- Output Active Discharge Option Available
- Stable with a 2.2 μF Ceramic Capacitor
- Pb-Free, Halogen Free/BFR Free and RoHS Compliant
- Internal Current Limitation and Thermal Shutdown Protection
- Smooth Monotonic Start-Up to Limit Inrush Current
Applications
- Battery-powered Equipment
- Smartphones, Tablets
- Cameras, DVRs, Set-Top Boxes (STB), and Camcorders
- Low-Voltage DC/DC Post-Regulators with ON/OFF Functionality
Q & A
- What is the maximum output current of the NCP133AMX120TCG?
The maximum output current is up to 500 mA. - What is the typical dropout voltage of the NCP133AMX120TCG?
The typical dropout voltage is 140 mV at 500 mA. - What are the input and bias voltage ranges for the NCP133AMX120TCG?
The input voltage range is 0.8 V to 5.5 V, and the bias voltage range is 2.4 V to 5.5 V. - How accurate is the output voltage of the NCP133AMX120TCG?
The output voltage accuracy is ±1.5% over temperature and 0.5% at 25°C. - What type of package does the NCP133AMX120TCG come in?
The device comes in an XDFN6 package, measuring 1.2 mm x 1.2 mm x 0.4 mm. - Is the NCP133AMX120TCG RoHS compliant?
Yes, the device is Pb-Free, Halogen Free/BFR Free and RoHS Compliant. - What is the operating temperature range of the NCP133AMX120TCG?
The operating temperature range is -40°C to 85°C. - Does the NCP133AMX120TCG have built-in thermal protection?
Yes, it has internal thermal shutdown protection to prevent overheating. - How do you enable or disable the NCP133AMX120TCG?
The device can be enabled or disabled using the logic level enable input (EN). - What is the recommended output capacitor for the NCP133AMX120TCG?
The device is stable with a 2.2 μF ceramic capacitor.
