Overview
The LT8640SEV#PBF is a high-performance synchronous step-down regulator produced by Analog Devices Inc. This component is part of the LT8640S series and is designed with the Silent Switcher 2 architecture, which minimizes EMI emissions while delivering high efficiency. The regulator is suitable for a wide range of applications, including automotive and industrial supplies, due to its robust specifications and compact package.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | LT8640SEV#PBF |
| Package | 24-Lead LQFN (4mm x 4mm x 0.94mm) |
| Input Voltage Range | 3.4V to 42V |
| Output Current (typ) | 6 A |
| Switching Frequency | 200 kHz to 3 MHz |
| Quiescent Current | 2.5 μA |
| Operating Temperature Range | -40°C to 125°C |
| Number of Outputs | 1 |
| Regulator Topology | Buck |
| RoHS Compliance | Yes |
Key Features
- Silent Switcher 2 Architecture: Minimizes EMI emissions, making it suitable for noise-sensitive applications.
- High Efficiency: Delivers high efficiency across a wide range of load currents.
- Adjustable and Synchronizable: Switching frequency can be adjusted from 200 kHz to 3 MHz and synchronized to an external clock.
- Output Soft-Start and Tracking: Features output soft-start and tracking capabilities for smooth startup and voltage regulation.
- Compact Package: Available in a small 24-lead LQFN package (4mm x 4mm x 0.94mm).
- AEC-Q100 Qualified: Suitable for automotive applications due to its AEC-Q100 qualification.
Applications
- Automotive Systems: Ideal for automotive power supplies due to its AEC-Q100 qualification and robust operating temperature range.
- Industrial Supplies: Suitable for industrial power systems requiring high efficiency and low EMI.
- General Purpose Step-Down Applications: Can be used in various general-purpose step-down converter applications where high efficiency and low noise are critical.
Q & A
- What is the input voltage range of the LT8640SEV#PBF?
The input voltage range is from 3.4V to 42V.
- What is the typical output current of the LT8640SEV#PBF?
The typical output current is 6 A.
- What is the switching frequency range of the LT8640SEV#PBF?
The switching frequency can be adjusted from 200 kHz to 3 MHz.
- Is the LT8640SEV#PBF RoHS compliant?
Yes, it is RoHS compliant.
- What is the operating temperature range of the LT8640SEV#PBF?
The operating temperature range is from -40°C to 125°C.
- What is the package type of the LT8640SEV#PBF?
The package type is a 24-lead LQFN (4mm x 4mm x 0.94mm).
- Is the LT8640SEV#PBF suitable for automotive applications?
Yes, it is AEC-Q100 qualified and suitable for automotive applications.
- What is the quiescent current of the LT8640SEV#PBF?
The quiescent current is 2.5 μA.
- Can the switching frequency of the LT8640SEV#PBF be synchronized to an external clock?
Yes, the switching frequency can be synchronized to an external clock.
- Does the LT8640SEV#PBF feature output soft-start and tracking?
Yes, it features output soft-start and tracking capabilities.
