Overview
The LT8641EUDC#TRPBF is a high-performance, synchronous step-down regulator produced by Analog Devices Inc. This regulator features the Silent Switcher architecture, which is designed to minimize EMI/EMC emissions while delivering high efficiency at various frequencies. It is particularly suited for applications requiring low noise and high reliability.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Units |
|---|---|---|---|---|
| Input Voltage (VIN) | 2.6 | 3.0 | 65 | V |
| Output Current | 3.5 | A | ||
| Quiescent Current (VEN/UV = 0V) | 0.75 | 0.75 | 3 | µA |
| Quiescent Current (VEN/UV = 2V, Not Switching) | 22 | µA | ||
| Operating Junction Temperature Range | –40 | 125 | °C | |
| Storage Temperature Range | –65 | 150 | °C | |
| TR/SS Source Current | 1.2 | 1.9 | 2.6 | µA |
| TR/SS Pull-Down Resistance (Fault Condition) | 220 | Ω |
Key Features
- Silent Switcher Architecture: Minimizes EMI/EMC emissions, ensuring high efficiency and low noise operation.
- High Efficiency: Delivers high efficiency at frequencies up to several MHz.
- Low Quiescent Current: As low as 2.5µA in Burst Mode, making it suitable for battery-powered applications.
- Adjustable Output Voltage: Output voltage can be adjusted from 800mV to 64.35V.
- Multiple Operating Modes: Supports Burst Mode, pulse-skipping mode, and other modes configurable via the SYNC/MODE pin.
- Overtemperature Protection: Protects the device during overload conditions by limiting junction temperature.
- Compact Package: Available in a 20-lead (3mm × 4mm) Plastic QFN package.
Applications
- Automotive Systems: Suitable for automotive applications due to its high reliability and temperature range.
- Industrial Power Supplies: Ideal for high-efficiency power supplies in industrial settings.
- Battery-Powered Devices: Low quiescent current makes it suitable for battery-powered devices.
- Communication Equipment: Used in communication equipment requiring low noise and high efficiency.
- Medical Devices: Can be used in medical devices where high reliability and low EMI are critical.
Q & A
- What is the input voltage range of the LT8641EUDC#TRPBF?
The input voltage range is from 2.6V to 65V.
- What is the maximum output current of the LT8641EUDC#TRPBF?
The maximum output current is 3.5A.
- What is the quiescent current in Burst Mode?
The quiescent current in Burst Mode is as low as 2.5µA.
- What are the different operating modes supported by the LT8641EUDC#TRPBF?
The regulator supports Burst Mode, pulse-skipping mode, and other modes configurable via the SYNC/MODE pin.
- Does the LT8641EUDC#TRPBF have overtemperature protection?
- What is the package type and size of the LT8641EUDC#TRPBF?
- Is the LT8641EUDC#TRPBF suitable for automotive applications?
- What is the storage temperature range of the LT8641EUDC#TRPBF?
- How can the output voltage be adjusted on the LT8641EUDC#TRPBF?
- What is the purpose of the TR/SS pin on the LT8641EUDC#TRPBF?
