Overview
The NCP3335A, specifically the NCP3335ADM250R2G model, is a high-performance, low dropout regulator (LDO) produced by onsemi. This device is designed to provide ultra-high accuracy and low quiescent current, making it suitable for a wide range of consumer electronics applications. The NCP3335A features a high accuracy of ±0.9% over line and load, ultra-low dropout voltage, and low noise characteristics, ensuring stable operation without a minimum load current requirement.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage Accuracy (at 25°C) | −0.9% | - | +0.9% | - |
| Output Voltage Accuracy (over temperature range) | −1.4% | - | +1.4% | - |
| Dropout Voltage at Full Load | - | 260 mV | - | mV |
| Quiescent Current | - | 9.0 μA | - | μA |
| Shutdown Current | - | 0.07 μA | - | μA |
| Output Noise (with Cnr = 10 nF) | - | 31 μVrms | - | μVrms |
| Supply Range | 2.6 V | - | 12 V | V |
| Output Current Capability | - | 500 mA | - | mA |
| Output Capacitance Requirement | - | 1.0 μF | - | μF |
Key Features
- High accuracy over line and load (±0.9% at 25°C)
- Ultra-low dropout voltage at full load (260 mV typical)
- No minimum output current required for stability
- Low noise (31 μVrms with 10 nF Cnr)
- Low shutdown current (0.07 μA)
- Reverse bias protection
- Thermal shutdown protection and current limitation
- Stable with any type of capacitor (including MLCC)
- Available in fixed and adjustable output voltages (1.5 V, 1.8 V, 2.5 V, 2.8 V, 2.85 V, 3.0 V, 3.3 V, 5.0 V)
- 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.
- Does the NCP3335A require a minimum output current for stability?
No, the NCP3335A does not require a minimum output current for stability.
- What is the shutdown current of the NCP3335A?
The shutdown current is 0.07 μA.
- Does the NCP3335A have reverse bias protection?
- What is the output noise level with a 10 nF noise reduction capacitor?
The output noise level is 31 μVrms with a 10 nF noise reduction capacitor.
- 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 capability of the NCP3335A?
The maximum output current capability is 500 mA.
- What type of capacitors can be used with the NCP3335A for stability?
The NCP3335A is stable with any type of capacitor, including MLCC, with a minimum capacitance of 1.0 μF.
- In what output voltages is the NCP3335A available?
The NCP3335A is available in fixed and adjustable output voltages: 1.5 V, 1.8 V, 2.5 V, 2.8 V, 2.85 V, 3.0 V, 3.3 V, and 5.0 V.
