Overview
The ADP3338AKCZ-3.3-RL, produced by Analog Devices Inc., is a high-accuracy, ultralow quiescent current (IQ), 1 A low dropout (LDO) voltage regulator. This device is part of the ADP33xx family and is known for its precision and performance advantages. It operates with an input voltage range of 2.7 V to 8 V and delivers a load current up to 1 A. The ADP3338 stands out due to its novel architecture and enhanced process, which provide higher output current and stability with a wide range of output capacitors, including ceramic types.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.7 to 8 | V |
| Output Voltage | 3.3 | V |
| Maximum Load Current | 1 | A |
| Quiescent Current (Typical) | 110 | µA |
| Dropout Voltage (Typical at 1 A) | 190 | mV |
| Output Voltage Accuracy (Room Temperature) | ±0.8% | |
| Output Voltage Accuracy (Over Temperature, Line, and Load) | ±1.4% | |
| Ambient Temperature Range | -40 to +85 | °C |
| Package Type | SOT-223 |
Key Features
- High accuracy: ±0.8% at room temperature and ±1.4% over temperature, line, and load variations.
- Ultralow quiescent current: 110 µA (typical) in light load situations.
- Low dropout voltage: 190 mV (typical) at 1 A.
- Stability with any good quality capacitor, including ceramic (MLCC) types.
- Current limit and thermal overload protection for safety.
- Low noise operation.
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-3.3-RL?
The input voltage range is from 2.7 V to 8 V.
- What is the maximum load current the ADP3338AKCZ-3.3-RL can deliver?
The maximum load current is up to 1 A.
- What is the typical quiescent current of the ADP3338AKCZ-3.3-RL?
The typical quiescent current is 110 µA.
- What is the dropout voltage of the ADP3338AKCZ-3.3-RL at 1 A?
The dropout voltage is 190 mV (typical) at 1 A.
- What is the output voltage accuracy of the ADP3338AKCZ-3.3-RL?
The output voltage accuracy is ±0.8% at room temperature and ±1.4% over temperature, line, and load variations.
- What type of capacitors can be used with the ADP3338AKCZ-3.3-RL for stability?
The device is stable with any good quality capacitor, including ceramic (MLCC) types.
- Does the ADP3338AKCZ-3.3-RL have built-in safety features?
Yes, it includes current limit and thermal overload protection.
- What is the ambient temperature range of the ADP3338AKCZ-3.3-RL?
The ambient temperature range is from -40°C to +85°C.
- In what package type is the ADP3338AKCZ-3.3-RL available?
The device is available in a SOT-223 package.
- What are some common applications of the ADP3338AKCZ-3.3-RL?
Common applications include notebook and palmtop computers, SCSI terminators, battery-powered systems, bar code scanners, camcorders, and home entertainment systems.
