Overview
The LT8642SEV#PBF is a high-performance synchronous step-down regulator from Analog Devices Inc., designed with the second-generation Silent Switcher architecture. This regulator is optimized to minimize EMI emissions while delivering high efficiency and reliability. It is suitable for a wide range of applications requiring low noise and high current output.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | LT8642SEV#PBF |
| Manufacturer | Analog Devices Inc. |
| Package | 24-LQFN (4x4) |
| Input Voltage Range | Up to 18V |
| Output Current | Up to 10A |
| Operating Junction Temperature Range | –40°C to 125°C |
| Switching Frequency | 200kHz to 3MHz |
| Feedback Voltage | 0.597V |
| Minimum On-Time | 20ns to 35ns |
| Minimum Off-Time | 80ns to 110ns |
Key Features
- Second-generation Silent Switcher architecture for reduced EMI emissions
- High efficiency with low power loss
- Output tracking and soft-start capability via the SS pin
- Internal 0.597V reference voltage
- Open-drain power good indicator (PG pin)
- Thermal shutdown and overcurrent protection
- Programmable switching frequency from 200kHz to 3MHz
Applications
The LT8642SEV#PBF is versatile and can be used in various applications, including:
- Industrial power supplies
- Automotive systems
- Telecommunications equipment
- Medical devices
- High-performance computing and data storage systems
Q & A
- What is the input voltage range of the LT8642SEV#PBF?
The input voltage range is up to 18V. - What is the maximum output current of the LT8642SEV#PBF?
The maximum output current is up to 10A. - What is the operating junction temperature range of the LT8642SEV#PBF?
The operating junction temperature range is –40°C to 125°C. - What is the switching frequency range of the LT8642SEV#PBF?
The switching frequency range is from 200kHz to 3MHz. - Does the LT8642SEV#PBF have built-in overcurrent protection?
Yes, it has built-in overcurrent protection. - What is the feedback voltage of the LT8642SEV#PBF?
The feedback voltage is 0.597V. - Can the switching frequency be programmed?
Yes, the switching frequency can be programmed from 200kHz to 3MHz. - What is the purpose of the SS pin in the LT8642SEV#PBF?
The SS pin allows for output tracking and soft-start control. - Does the LT8642SEV#PBF have a power good indicator?
Yes, it has an open-drain power good indicator (PG pin). - What package type is the LT8642SEV#PBF available in?
The LT8642SEV#PBF is available in a 24-LQFN (4x4) package.
