Overview
The ADP3338AKCZ-1.5-R7 is a high-accuracy, ultralow quiescent current, 1 A low dropout (LDO) voltage regulator from Analog Devices Inc. It is part of the ADP33xx family of precision LDO regulators. This device operates with an input voltage range of 2.7 V to 8 V and is designed to deliver a fixed output voltage of 1.5 V. The ADP3338 stands out due to its novel architecture and enhanced process, offering superior performance and higher output current compared to conventional LDOs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.7 to 8 | V |
| Output Voltage | 1.5 | 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 to +85 | °C |
| Package Type | SOT-223 | |
| Output Capacitor Requirement | 1 µF (minimum) |
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.
- anyCAP design: stable with any good quality capacitor, including ceramic (MLCC) types.
- 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-1.5-R7?
The input voltage range is from 2.7 V to 8 V.
- What is the fixed output voltage of the ADP3338AKCZ-1.5-R7?
The fixed output voltage is 1.5 V.
- What is the maximum output current of the ADP3338AKCZ-1.5-R7?
The maximum output current is 1 A.
- What is the typical dropout voltage at 1 A for the ADP3338AKCZ-1.5-R7?
The typical dropout voltage at 1 A is 190 mV.
- What is the quiescent current in light load situations for the ADP3338AKCZ-1.5-R7?
The quiescent current in light load situations is typically 110 µA.
- What type of capacitors can be used with the ADP3338AKCZ-1.5-R7 for stability?
The device is stable with any good quality capacitor, including ceramic (MLCC) types.
- What are the safety features included in the ADP3338AKCZ-1.5-R7?
The device includes current and thermal limiting for safety.
- What is the ambient temperature range for the ADP3338AKCZ-1.5-R7?
The ambient temperature range is from -40°C to +85°C.
- What package type is the ADP3338AKCZ-1.5-R7 available in?
The device is available in an SOT-223 package.
- What are some typical applications of the ADP3338AKCZ-1.5-R7?
Typical applications include notebook and palmtop computers, SCSI terminators, battery-powered systems, bar code scanners, camcorders, cameras, home entertainment systems, networking systems, and DSP/ASIC supplies.
