Overview
The NCP3335ADM300R2G is a high-performance, low dropout regulator (LDO) produced by onsemi. This device is part of the NCP3335 series and is known for its ultra-high accuracy and low quiescent current, making it suitable for a wide range of consumer electronics applications. The NCP3335ADM300R2G offers a fixed output voltage of 3.0 V and can handle load currents up to 500 mA. It features a low dropout voltage, high accuracy over line and load, and low noise characteristics, ensuring stable operation without a minimum load current requirement.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (Accuracy) at 25°C | Vout | −0.9% | 3.0 | +0.9% | V |
| Output Voltage (Accuracy) at 0°C to +85°C | Vout | −1.4% | 3.0 | +1.4% | V |
| Output Voltage (Accuracy) at −40°C to +125°C | Vout | −1.4% | 3.0 | +1.4% | V |
| Dropout Voltage at Full Load | Vdo | 260 mV | mV | ||
| Quiescent Current | Iq | μA | |||
| Shutdown Current | Ishdn | 0.07 μA | μA | ||
| Supply Range | Vin | 2.6 V | 12 V | V | |
| Noise (with 10 nF Cnr) | Vn | 31 μVrms | μVrms |
Key Features
- High Accuracy Over Line and Load: ±0.9% at 25°C and ±1.4% over the temperature range of 0°C to +85°C.
- Ultra-Low Dropout Voltage: 260 mV typical at full load.
- No Minimum Output Current Required for Stability: Stable operation without a minimum load current requirement.
- Low Noise: 31 μVrms with a 10 nF noise reduction capacitor (Cnr) and 51 μVrms without Cnr.
- Low Shutdown Current: 0.07 μA.
- Reverse Bias Protection: Protected against reverse bias conditions.
- Wide Supply Range: 2.6 V to 12 V.
- Stability with Small Capacitors: Stable with any type of capacitor as small as 1.0 μF.
- Sense and Noise Reduction Pins: Optional pins for output voltage sensing and noise reduction.
Applications
The NCP3335ADM300R2G is suitable for a variety of applications in consumer electronics, including:
- Portable electronics such as smartphones, tablets, and laptops.
- Wireless communication devices.
- Audio and video equipment.
- Medical devices requiring high accuracy and low noise power supplies.
- Industrial control systems and automation.
Q & A
- What is the output voltage accuracy of the NCP3335ADM300R2G at 25°C?
The output voltage accuracy is ±0.9% at 25°C.
- What is the typical dropout voltage at full load for the NCP3335ADM300R2G?
The typical dropout voltage at full load is 260 mV.
- Does the NCP3335ADM300R2G require a minimum load current for stability?
No, it does not require a minimum load current for stability.
- What is the shutdown current of the NCP3335ADM300R2G?
The shutdown current is 0.07 μA.
- What is the supply voltage range for the NCP3335ADM300R2G?
The supply voltage range is from 2.6 V to 12 V.
- How much noise does the NCP3335ADM300R2G produce with a 10 nF noise reduction capacitor?
The noise is 31 μVrms with a 10 nF noise reduction capacitor (Cnr).
- Is the NCP3335ADM300R2G protected against reverse bias conditions?
Yes, it is protected against reverse bias conditions.
- What is the maximum load current the NCP3335ADM300R2G can handle?
The maximum load current is 500 mA.
- Can the NCP3335ADM300R2G be used with small capacitors?
Yes, it is stable with any type of capacitor as small as 1.0 μF.
- What are the optional pins available on the NCP3335ADM300R2G?
The optional pins include sense and noise reduction pins to increase the overall utility of the device.
