Overview
The ADP3339AKCZ-3.3-RL is a precision, low dropout voltage regulator from Analog Devices Inc., part of the ADP33xx family. This device is designed to operate with an input voltage range of 2.8 V to 6 V and can deliver a load current up to 1.5 A. It stands out for its novel architecture and enhanced process, offering higher output current and better performance compared to conventional LDOs. The ADP3339 is known for its high accuracy, low dropout voltage, and ultralow quiescent current, making it suitable for a variety of applications requiring stable and efficient voltage regulation.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Supply Voltage | VIN | -0.3 | 8.5 | V | ||
| Output Voltage | VOUT | VIN = VOUTNOM + 0.5 V to 6 V, ILOAD = 0.1 mA to 1.5 A, TJ = 25°C | -0.9% | +0.9% | % | |
| Output Voltage Accuracy | VOUT | VIN = VOUTNOM + 0.5 V to 6 V, ILOAD = 0.1 mA to 1.5 A, TJ = -40°C to +125°C | -1.5% | +1.5% | % | |
| Dropout Voltage | VDO | ILOAD = 1.5 A | 230 mV | mV | ||
| Quiescent Current | IQ | Light load | 130 μA | μA | ||
| Operating Ambient Temperature Range | TJ | -40°C | +85°C | °C | ||
| Operating Junction Temperature Range | TJ | -40°C | +150°C | °C | ||
| Package | SOT-223 |
Key Features
- High accuracy over line and load: ±0.9% at 25°C, ±1.5% over temperature, line, and load variations.
- Ultralow dropout voltage: 230 mV (typical) at 1.5 A.
- Requires only a 1.0 μF output capacitor for stability, and is stable with any good quality capacitor, including ceramic (MLCC) types.
- Current and thermal limiting for safety.
- Low noise operation.
- Ultralow quiescent current: 130 μA (typical) in light load situations.
- Input voltage range of 2.8 V to 6 V.
- Ambient temperature range of -40°C to +85°C.
Applications
- Notebooks and palmtop computers.
- SCSI terminators.
- Battery-powered systems.
- PCMCIA regulators.
- Bar code scanners.
- Camcorders and cameras.
Q & A
- What is the input voltage range of the ADP3339AKCZ-3.3-RL? The input voltage range is 2.8 V to 6 V.
- What is the maximum output current of the ADP3339AKCZ-3.3-RL? The maximum output current is 1.5 A.
- What is the typical dropout voltage of the ADP3339AKCZ-3.3-RL at 1.5 A load current? The typical dropout voltage is 230 mV.
- What type of capacitors can be used with the ADP3339AKCZ-3.3-RL for stability? The device is stable with any good quality capacitor, including ceramic (MLCC) types.
- What is the quiescent current of the ADP3339AKCZ-3.3-RL in light load situations? The quiescent current is 130 μA (typical).
- What are the safety features of the ADP3339AKCZ-3.3-RL? The device includes current and thermal limiting for safety.
- What is the operating ambient temperature range of the ADP3339AKCZ-3.3-RL? The operating ambient temperature range is -40°C to +85°C.
- What is the package type of the ADP3339AKCZ-3.3-RL? The package type is SOT-223.
- What are some common applications of the ADP3339AKCZ-3.3-RL? Common applications include notebooks, palmtop computers, SCSI terminators, battery-powered systems, PCMCIA regulators, bar code scanners, and camcorders.
- What is the output voltage accuracy of the ADP3339AKCZ-3.3-RL over temperature, line, and load variations? The output voltage accuracy is ±1.5% over temperature, line, and load variations.
