Overview
The NCP133AMX090TCG 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 an NMOS pass transistor and a separate bias supply voltage (VBIAS), ensuring very 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 | Typical Value | Min/Max 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 (Fixed) | 0.8 V to 2.1 V | V | |
| Output Voltage Range (Adjustable) | 0.8 V to 3.6 V | V | |
| 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 | |
| Bias Input Current in Disable Mode (Typical) | 0.5 μA | μA | |
| Enable Input Threshold Voltage | 0.9 V (High), 0.4 V (Low) | V | |
| Output Active Discharge Option | Available | ||
| Package Type | XDFN6 - 1.2 mm x 1.2 mm x 0.4 mm | ||
| ESD Capability (Human Body Model) | 2000 V | V | |
| Maximum Junction Temperature | 150 °C | °C |
Key Features
- Very Low Dropout (VLDO) with a typical dropout voltage of 140 mV at 500 mA.
- Low bias input current of 80 μA and very low bias input current in disable mode of 0.5 μA.
- Logic level enable input for ON/OFF control with internal hysteresis.
- Output active discharge option available.
- Stable with a 2.2 μF ceramic capacitor.
- Available in XDFN6 package, optimized for space-constrained applications.
- Pb-free, halogen-free/BFR-free, and RoHS compliant.
- Internal thermal shutdown (TSD) circuitry for overtemperature protection.
- Current limitation circuitry to protect against current overload or short circuits.
Applications
- Battery-powered equipment.
- Smartphones, tablets.
- Cameras, DVRs, set-top boxes (STBs), and camcorders.
- Low-voltage DC/DC post-regulators with ON/OFF functionality.
Q & A
- What is the input voltage range of the NCP133AMX090TCG?
The input voltage range is from 0.8 V to 5.5 V.
- What is the typical dropout voltage of the NCP133AMX090TCG?
The typical dropout voltage is 140 mV at 500 mA.
- What is the bias input current of the NCP133AMX090TCG?
The bias input current is typically 80 μA.
- Does the NCP133AMX090TCG have an output active discharge option?
- What type of package is the NCP133AMX090TCG available in?
The device is available in an XDFN6 package, measuring 1.2 mm x 1.2 mm x 0.4 mm.
- Is the NCP133AMX090TCG RoHS compliant?
- What is the maximum junction temperature of the NCP133AMX090TCG?
The maximum junction temperature is 150 °C.
- Does the NCP133AMX090TCG have thermal shutdown protection?
- How is the output voltage adjusted in the adjustable version of the NCP133AMX090TCG?
The output voltage can be adjusted from 0.8 V to 3.6 V using two external resistors.
- What is the recommended output capacitor value for the NCP133AMX090TCG?
The device is stable with a ceramic output capacitor in the range from 2.2 μF to 10 μF.
