Overview
The NCP3335A, specifically the NCP3335AMN330R2G, is a high-performance, low dropout regulator (LDO) produced by onsemi. This device is designed to offer ultra-high accuracy and low quiescent current, making it ideal for modern consumer electronics. The NCP3335A features a high accuracy of ±0.9% over line and load, ensuring stable output voltage across various operating conditions.
The regulator is capable of delivering up to 500 mA of output current and operates within a supply range of 2.6 V to 12 V. It is notable for its ultra-low dropout voltage of 260 mV at full load and low noise characteristics, which are enhanced by the presence of sense and noise reduction pins.
Key Specifications
| Characteristic | Symbol | Min | Max | Unit | |
|---|---|---|---|---|---|
| Output Voltage (Accuracy) at 25°C | Vout | −0.9% | 3.3 V (typ.) | +0.9% | V |
| Output Voltage (Accuracy) at 0°C to +85°C | Vout | −1.4% | 3.3 V (typ.) | +1.4% | V |
| Output Voltage (Accuracy) at −40°C to +125°C | Vout | −1.4% | 3.3 V (typ.) | +1.4% | V |
| Dropout Voltage at Full Load | Vdo | 260 mV | mV | ||
| Quiescent Current | Iq | μA | |||
| Shutdown Current | Ishdn | 0.07 μA | μA | ||
| Noise (with 10 nF Cnr) | Vn | 31 μVrms | μVrms | ||
| Noise (without Cnr) | Vn | 51 μVrms | μVrms | ||
| Supply Range | Vin | 2.6 V | 12 V | V | |
| Output Current | Iout | 0.1 mA | 500 mA | mA |
Key Features
- High Accuracy Over Line and Load: ±0.9% at 25°C
- Ultra-Low Dropout Voltage: 260 mV typical at full load
- No Minimum Output Current Required for Stability: Stable without a minimum load current
- Low Noise: 31 μVrms with 10 nF Cnr and 51 μVrms without Cnr
- Low Shutdown Current: 0.07 μA
- Reverse Bias Protection: Protected against reverse bias conditions
- Stable with Any Type of Capacitor: Stable with capacitors as small as 1.0 μF
- Sense and Noise Reduction Pins: Enhances overall utility and noise reduction
Applications
The NCP3335A is suitable for a variety of applications in consumer electronics, including:
- Portable electronics such as smartphones, tablets, and laptops
- Wireless devices and IoT applications
- Automotive systems requiring stable voltage regulation
- Industrial control systems and medical devices
- Any application requiring high accuracy and low noise voltage regulation
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, the NCP3335A does not require a minimum output current for stability.
- What is the noise level of the NCP3335A with a 10 nF Cnr capacitor?
The noise level is 31 μVrms with a 10 nF Cnr 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 is reverse bias protected.
- What is the minimum capacitor value required for stability in the NCP3335A?
The NCP3335A is stable with capacitors as small as 1.0 μF.
- What is the supply voltage range for the NCP3335A?
The supply voltage range is from 2.6 V to 12 V.
- What is the maximum output current of the NCP3335A?
The maximum output current is 500 mA.
- What are some typical applications for the NCP3335A?
Typical applications include portable electronics, wireless devices, automotive systems, industrial control systems, and medical devices.
