Overview
The ADP3338AKC-3.3-RL7 is a high-performance, low dropout (LDO) voltage regulator produced by Analog Devices Inc. This device is part of the ADP33xx family and is known for its precision, ultralow quiescent current, and stability with any type of capacitor. The ADP3338AKC-3.3-RL7 operates within an input voltage range of 2.7 V to 8 V and can deliver a load current up to 1 A. It features a novel architecture that offers superior performance and higher output current compared to conventional LDOs.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADP3338AKC-3.3-RL7 |
| Package | SOT-223-4 |
| Output Voltage | 3.3 V |
| Input Voltage Range | 2.7 V to 8 V |
| Maximum Output Current | 1 A |
| Dropout Voltage | 190 mV (typical) @ 1 A |
| Accuracy | ±0.8% @ 25°C, ±1.4% over temperature |
| Quiescent Current | 110 µA (typical) in light load situations |
| Ambient Temperature Range | −40°C to +85°C |
| Output Capacitor Requirement | 1 µF for stability |
| Protection Features | Current limit and thermal overload protection |
Key Features
- High accuracy over line and load: ±0.8% @ 25°C, ±1.4% over temperature
- Ultralow dropout voltage: 190 mV (typical) @ 1 A
- Stable with any good quality capacitor, including ceramic (MLCC) types
- Requires only a 1 µF output capacitor for stability
- Insensitivity to output capacitor equivalent series resistance (ESR)
- Low noise operation
- Current and thermal limiting for safety
- 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 output voltage of the ADP3338AKC-3.3-RL7?
The output voltage of the ADP3338AKC-3.3-RL7 is 3.3 V.
- What is the input voltage range for the ADP3338AKC-3.3-RL7?
The input voltage range is from 2.7 V to 8 V.
- What is the maximum output current of the ADP3338AKC-3.3-RL7?
The maximum output current is 1 A.
- What is the typical dropout voltage of the ADP3338AKC-3.3-RL7 at 1 A?
The typical dropout voltage is 190 mV at 1 A.
- What is the accuracy of the ADP3338AKC-3.3-RL7 over temperature?
The accuracy is ±0.8% @ 25°C and ±1.4% over temperature.
- What type of capacitors is the ADP3338AKC-3.3-RL7 stable with?
The device is stable with any good quality capacitor, including ceramic (MLCC) types.
- What is the quiescent current of the ADP3338AKC-3.3-RL7 in light load situations?
The quiescent current is 110 µA (typical) in light load situations.
- Does the ADP3338AKC-3.3-RL7 have built-in protection features?
Yes, it includes current limit and thermal overload protection.
- What is the ambient temperature range for the ADP3338AKC-3.3-RL7?
The ambient temperature range is −40°C to +85°C.
- What are some common applications for the ADP3338AKC-3.3-RL7?
Common applications include notebook and palmtop computers, SCSI terminators, battery-powered systems, and home entertainment systems.
