Overview
The ADP3338AKCZ-5-REEL, produced by Analog Devices Inc., is a high-accuracy, ultralow quiescent current, 1 A low dropout (LDO) voltage regulator. It is part of the ADP33xx family and stands out with its novel architecture and enhanced process, offering superior performance and higher output current compared to conventional LDOs. This regulator operates with an input voltage range of 2.7 V to 8 V and is known for its stability with any good quality capacitor, including ceramic types, requiring only a 1 µF output capacitor for stability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.7 to 8 | V |
| Output Voltage | 5 | V |
| Maximum Output Current | 1 | A |
| Dropout Voltage (Typical at 1 A) | 190 | mV |
| Quiescent Current (Typical in Light Load) | 110 | µA |
| Accuracy at Room Temperature | ±0.8% | |
| Accuracy Over Temperature, Line, and Load | ±1.4% | |
| Ambient Temperature Range | –40°C to +85°C | |
| Package Type | 3-Lead SOT-223 |
Key Features
- High accuracy over line and load: ±0.8% at 25°C, ±1.4% over temperature, line, and load variations.
- Ultralow dropout voltage: 190 mV (typical) at 1 A.
- Requires only a 1 µF output capacitor for stability.
- Stable with any good quality capacitor, including ceramic (MLCC) types.
- Insensitivity to output capacitor equivalent series resistance (ESR).
- Current and thermal limiting for safety.
- Low noise operation.
- Ultralow quiescent current: 110 µA (typical) in light load situations.
Applications
- Notebook and palmtop computers.
- SCSI terminators.
- Battery-powered systems.
- Bar code scanners.
- Camcorders and cameras.
- Home entertainment systems.
- Networking systems.
- DSP/ASIC supplies.
Q & A
- What is the input voltage range of the ADP3338AKCZ-5-REEL?
The input voltage range is 2.7 V to 8 V.
- What is the maximum output current of the ADP3338AKCZ-5-REEL?
The maximum output current is 1 A.
- What is the typical dropout voltage at 1 A for the ADP3338AKCZ-5-REEL?
The typical dropout voltage at 1 A is 190 mV.
- What is the quiescent current in light load situations for the ADP3338AKCZ-5-REEL?
The quiescent current in light load situations is 110 µA (typical).
- What type of capacitors can be used with the ADP3338AKCZ-5-REEL for stability?
The device is stable with any good quality capacitor, including ceramic (MLCC) types.
- Does the ADP3338AKCZ-5-REEL have thermal protection?
- What is the accuracy of the ADP3338AKCZ-5-REEL over temperature, line, and load variations?
The accuracy is ±1.4% over temperature, line, and load variations.
- What is the ambient temperature range for the ADP3338AKCZ-5-REEL?
The ambient temperature range is –40°C to +85°C.
- In what package is the ADP3338AKCZ-5-REEL available?
The device is available in a 3-Lead SOT-223 package.
- What are some common applications of the ADP3338AKCZ-5-REEL?
Common applications include notebook and palmtop computers, SCSI terminators, battery-powered systems, bar code scanners, camcorders, and home entertainment systems.
