Overview
The NCP3335ADMADJR2G is a high-performance, low dropout (LDO) linear voltage regulator produced by onsemi. This device is known for its ultra-high accuracy, low quiescent current, and low noise, making it suitable for a wide range of consumer electronics applications. The NCP3335A series, which includes the NCP3335ADMADJR2G, is designed to be stable without a minimum load current requirement and can operate with any type of capacitor as small as 1.0 µF. It also features sense and noise reduction pins, reverse bias protection, and thermal shutdown protection, enhancing its overall utility and reliability.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage Accuracy (25°C) | Vout | −0.9% | 2.5 V (for 2.5 V version) | +0.9% | V |
| Output Voltage Accuracy (0°C to +85°C) | Vout | −1.4% | 2.5 V (for 2.5 V version) | +1.4% | V |
| Ultra-Low Dropout Voltage at Full Load | Vdo | 260 mV | mV | ||
| Quiescent Current | Iq | 34 µA | µA | ||
| Shutdown Current | Ishdn | 0.07 µA | µA | ||
| Supply Range | Vin | 2.6 V | 12 V | V | |
| Output Current Capability | Iout | 500 mA | mA | ||
| Noise (with 10 nF Cnr) | Vn | 31 µVrms | µVrms | ||
| Noise (without Cnr) | Vn | 51 µVrms | µVrms |
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 w/10 nF Cnr and 51 µVrms w/out Cnr)
- Low Shutdown Current (0.07 µA)
- Reverse Bias Protected
- 2.6 V to 12 V Supply Range
- Thermal Shutdown Protection
- Current Limitation
- Requires Only 1.0 µF Output Capacitance for Stability
- Stable with Any Type of Capacitor (including MLCC)
- Available in Fixed and Adjustable Output Voltages
- Pb-Free Devices
Applications
- Cellular Phones
- Camcorders and Cameras
- Networking Systems, DSL/Cable Modems
- PCMCIA Card
- Cable SetTop Box
- MP3/CD Players
- Displays and Monitors
- DSP Supply
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 shutdown current of the NCP3335A?
The shutdown current is 0.07 µA.
- What is the supply range for the NCP3335A?
The supply range is from 2.6 V to 12 V.
- Does the NCP3335A have thermal shutdown protection?
Yes, it does have thermal shutdown protection.
- What type of capacitors can be used with the NCP3335A for stability?
The device is stable with any type of capacitor, including MLCC, as small as 1.0 µF.
- Is the NCP3335A available in adjustable output voltages?
Yes, it is available in both fixed and adjustable output voltages.
- Does the NCP3335A have reverse bias protection?
Yes, it has reverse bias protection.
- What are some common applications of the NCP3335A?
Common applications include cellular phones, camcorders, networking systems, and more.
