Overview
The ADP3339AKCZ-2.5-R7 is a precision, low dropout linear voltage regulator from Analog Devices Inc. It is part of the ADP33xx family and is known for its high accuracy and performance advantages over conventional LDOs. This regulator operates 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 features a novel architecture and an enhanced process, making it suitable for a variety of applications requiring high precision and reliability.
Key Specifications
Parameter | Conditions | Min | Typ | Max | Unit |
---|---|---|---|---|---|
Input Voltage Range | 2.8 | 6 | V | ||
Output Voltage Accuracy | 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 | 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 | ILOAD = 1.5 A | 230 | mV | ||
Quiescent Current | ILOAD = 0 mA | 130 | μA | ||
Ambient Temperature Range | -40 | +85 | °C | ||
Package Type | 3-Lead SOT-223 |
Key Features
- High accuracy over line and load: ±0.9% at 25°C, ±1.5% over temperature
- Ultralow dropout voltage: 230 mV (typical) at 1.5 A
- Requires only a 1.0 μF output capacitor for stability, 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
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-2.5-R7? The input voltage range is 2.8 V to 6 V.
- What is the maximum load current the ADP3339AKCZ-2.5-R7 can deliver? The maximum load current is up to 1.5 A.
- What is the typical dropout voltage of the ADP3339AKCZ-2.5-R7 at 1.5 A load current? The typical dropout voltage is 230 mV.
- What type of output capacitor is required for stability? The ADP3339AKCZ-2.5-R7 requires only a 1.0 μF output capacitor for stability and is stable with any good quality capacitor, including ceramic (MLCC) types.
- What are the safety features of the ADP3339AKCZ-2.5-R7? The device includes current limiting and thermal overload protection.
- What is the quiescent current of the ADP3339AKCZ-2.5-R7 in light load situations? The quiescent current is 130 μA (typical).
- What is the ambient temperature range of the ADP3339AKCZ-2.5-R7? The ambient temperature range is -40°C to +85°C.
- In what package is the ADP3339AKCZ-2.5-R7 available? The device is available in a 3-Lead SOT-223 package.
- What are some common applications of the ADP3339AKCZ-2.5-R7? Common applications include notebooks, palmtop computers, SCSI terminators, battery-powered systems, PCMCIA regulators, bar code scanners, and camcorders.
- Is the ADP3339AKCZ-2.5-R7 RoHS compliant? Yes, the ADP3339AKCZ-2.5-R7 is RoHS compliant.