Overview
The NCP3335A, produced by onsemi, is a high-performance, low dropout regulator designed to meet the stringent requirements of modern consumer electronics. This device is known for its ultra-high accuracy, low quiescent current, and minimal noise. It is available in various fixed and adjustable output voltage versions, making it versatile for a wide range of applications. The NCP3335A ensures stability without a minimum load current requirement and can operate with any type of capacitor, including MLCC, as small as 1.0 μF.
Key Specifications
| Characteristic | Symbol | Min | Max | Unit | |
|---|---|---|---|---|---|
| Output Voltage Accuracy (25°C) | Vout | −0.9% | − | +0.9% | % |
| Ultra-Low Dropout Voltage at Full Load | Vdo | − | 260 mV | − | mV |
| Supply Range | Vin | 2.6 V | − | 12 V | V |
| Output Current | Iout | − | − | 500 mA | mA |
| Low Noise (with 10 nF Cnr) | Vnoise | − | 31 μVrms | − | μVrms |
| Low Shutdown Current | ISD | − | 0.07 μA | − | μA |
| Reverse Bias Protection Current | IOUTR | − | − | 10 μA | μA |
| Output Capacitance for Stability | Cout | − | − | 1.0 μF | μF |
| Thermal Shutdown Protection | − | − | − | − | − |
| Current Limitation | − | − | − | − | − |
Key Features
- High Accuracy Over Line and Load (±0.9% at 25°C)
- Ultra-Low Dropout Voltage at Full Load (260 mV typ.)
- No Minimum Output Current Required for Stability
- Low Noise (31 μVrms with 10 nF Cnr and 51 μVrms without Cnr)
- Low Shutdown Current (0.07 μA)
- Reverse Bias Protected
- Thermal Shutdown Protection and Current Limitation
- Requires Only 1.0 μF Output Capacitance for Stability
- Stable with Any Type of Capacitor (including MLCC)
- Available in Fixed (1.5 V, 1.8 V, 2.5 V, 2.8 V, 2.85 V, 3.0 V, 3.3 V, 5.0 V) and Adjustable Output Voltages
- Pb-Free Devices
Applications
- PCMCIA Card
- Cellular Phones
- Camcoders and Cameras
- Networking Systems, DSL/Cable Modems
- Cable Set-Top Box
- MP3/CD Players
- DSP Supply
- Displays and Monitors
Q & A
- What is the output voltage accuracy of the NCP3335A at 25°C?
The output voltage accuracy is ±0.9% at 25°C.
- What is the typical dropout voltage at full load for the NCP3335A?
The typical dropout voltage at full load is 260 mV.
- Is there a minimum output current required for stability in the NCP3335A?
No, there is no minimum output current required for stability.
- What is the noise level of the NCP3335A with a 10 nF noise reduction capacitor?
The noise level is 31 μVrms with a 10 nF noise reduction capacitor.
- What is the shutdown current of the NCP3335A?
The shutdown current is 0.07 μA.
- Does the NCP3335A have reverse bias protection?
Yes, the NCP3335A has reverse bias protection).
- What is the minimum output capacitance required for stability?
The minimum output capacitance required for stability is 1.0 μF).
- Is the NCP3335A stable with any type of capacitor?
Yes, the NCP3335A is stable with any type of capacitor, including MLCC).
- In what output voltage configurations is the NCP3335A available?
The NCP3335A is available in fixed (1.5 V, 1.8 V, 2.5 V, 2.8 V, 2.85 V, 3.0 V, 3.3 V, 5.0 V) and adjustable output voltages).
- Are the NCP3335A devices Pb-free?
Yes, the NCP3335A devices are Pb-free).
