Description
LT8645SEV#PBF
Overview
The LT8645SEV#PBF is a high-performance, synchronous step-down switching regulator controller that is designed to drive all N-channel power MOSFETs. It provides high efficiency, high power density, and fast transient response, making it suitable for a wide range of applications, including automotive, industrial, and medical systems. The device operates from an input voltage range of 3.1V to 42V, allowing it to be used in a variety of power supply configurations.
Key Features
- Input Voltage Range: 3.1V to 42V
- Output Voltage Range: 0.8V to 24V
- Output Current: Up to 10A
- Switching Frequency: 200kHz to 2.2MHz
- Package: 28-Lead TSSOP (4.4mm x 9.7mm)
Description
The LT8645SEV#PBF features a unique Silent Switcher architecture designed to minimize EMI emissions, making it an excellent choice for noise-sensitive applications. The device incorporates high-side and low-side N-channel MOSFET drivers, allowing for the use of high-performance, low-RDS(ON) N-channel power MOSFETs. This results in high efficiency across the entire load range. Additionally, the controller offers internal compensation, which simplifies the design process and reduces component count.
Typical Applications
- Automotive Systems: Infotainment, ADAS, battery management
- Industrial Control: Power supplies, motor control, robotics
- Medical Devices: Ultrasound, patient monitoring equipment, portable defibrillators
- Renewable Energy Systems: Solar inverters, wind turbines, energy storage systems
Parameters
- Operating Temperature Range: -40°C to 125°C
- Total Supply Current (VIN = 12V, VOUT = 3.3V, 2MHz): 2.8mA
- Shutdown Current: <10μA
- Reference Voltage: 0.8V ±1%
- Minimum On-Time: 30ns
- Minimum Off-Time: 60ns
Package and Availability
The LT8645SEV#PBF is available in a thermally enhanced 28-lead TSSOP package. Lead-free and RoHS compliant, this package is suitable for high-reliability applications that require efficient thermal management.
Documentation and Support
For detailed specifications, application notes, and design support tools, please visit our website or contact our technical support team. Our dedicated engineers are ready to assist you with your design questions and provide assistance in selecting the right components for your project.
Ordering Information
Ordering part number: LT8645SEV#PBF
For price, availability, and to place an order, please contact your local distributor or visit our website. We offer competitive pricing and excellent service to help you get your project started quickly and efficiently.