Overview
The ADP3339AKCZ-3-RL7, produced by Analog Devices Inc., is a member of the ADP33xx family of precision, low dropout (LDO) voltage regulators. 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. The ADP3339 stands out from conventional LDOs with its novel architecture and enhanced process, offering performance advantages such as higher output current and exceptional accuracy.
The regulator is packaged in a SOT-223 package, making it suitable for space-restricted applications. It features ultralow quiescent current, safety current limit, and thermal overload protection, ensuring reliable operation in various environments.
Key Specifications
| Parameter | Symbol | Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|---|
| Input Voltage Range | VIN | 2.8 V | 6 V | V | ||
| Output Voltage Accuracy (at 25°C) | VOUT | ILOAD = 0.1 mA to 1.5 A | -0.9% | +0.9% | % | |
| Output Voltage Accuracy (over temperature) | VOUT | ILOAD = 0.1 mA to 1.5 A, TJ = -40°C to +125°C | -1.5% | +1.5% | % | |
| Line Regulation | VIN = VOUTNOM + 0.5 V to 6 V, TJ = 25°C | 0.04 mV/V | ||||
| Dropout Voltage (typical at 1.5 A) | 230 mV | |||||
| Quiescent Current (typical) | Light load situations | 130 μA | ||||
| Maximum Output Current | 1.5 A | A | ||||
| Ambient Temperature Range | -40°C | +85°C | °C |
Key Features
- Low Dropout Voltage: The ADP3339 has a typical dropout voltage of 230 mV at 1.5 A, ensuring efficient voltage regulation.
- High Accuracy: The regulator achieves exceptional accuracy of ±0.9% at room temperature and ±1.5% over temperature, line, and load variations.
- Low Quiescent Current: Ultralow quiescent current of 130 μA (typical) in light load situations, making it suitable for battery-powered systems.
- Stability with AnyCAP: The device is stable with a wide range of capacitor values, types, and ESR, including ceramic (MLCC) capacitors.
- Thermal and Current Limiting: Includes safety current limit and thermal overload protection to prevent damage.
- Compact Packaging: Available in SOT-223 package, ideal for space-restricted applications.
Applications
- Notebooks and Palmtop Computers: Suitable for powering various components in portable computing devices.
- SCSI Terminators: Can be used in SCSI terminator applications due to its high accuracy and low dropout voltage.
- Battery-Powered Systems: Ideal for battery-powered systems due to its low quiescent current and high efficiency.
- PCMCIA Regulators: Used in PCMCIA card applications requiring stable and efficient voltage regulation.
- Bar Code Scanners and Camcorders/Cameras: Suitable for powering electronic devices in these categories.
Q & A
- What is the input voltage range of the ADP3339AKCZ-3-RL7?
The input voltage range is from 2.8 V to 6 V.
- What is the maximum output current of the ADP3339AKCZ-3-RL7?
The maximum output current is 1.5 A.
- What is the typical dropout voltage of the ADP3339AKCZ-3-RL7 at 1.5 A?
The typical dropout voltage is 230 mV at 1.5 A.
- What is the quiescent current of the ADP3339AKCZ-3-RL7 in light load situations?
The quiescent current is 130 μA (typical) in light load situations.
- Is the ADP3339AKCZ-3-RL7 stable with any type of output capacitor?
Yes, the device is stable with a wide range of capacitor values, types, and ESR, including ceramic (MLCC) capacitors.
- What are the key protection features of the ADP3339AKCZ-3-RL7?
The device includes safety current limit and thermal overload protection.
- What is the ambient temperature range for the ADP3339AKCZ-3-RL7?
The ambient temperature range is from -40°C to +85°C.
- What package types are available for the ADP3339AKCZ-3-RL7?
The device is available in SOT-223 package.
- What are some common applications for the ADP3339AKCZ-3-RL7?
Common applications include notebooks, palmtop computers, SCSI terminators, battery-powered systems, PCMCIA regulators, bar code scanners, and camcorders/cameras.
- How accurate is the output voltage of the ADP3339AKCZ-3-RL7?
The output voltage accuracy is ±0.9% at room temperature and ±1.5% over temperature, line, and load variations.
