Overview
The LT8364HMSE#PBF is a current mode DC/DC converter produced by Analog Devices Inc. This integrated circuit is designed to operate in a wide range of applications, including boost, SEPIC, and inverting converter configurations. It features a 60V, 4A switch and can operate from an input voltage range of 2.8V to 60V. The unique single feedback pin architecture simplifies the design process and enhances flexibility in various power management scenarios.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| VIN Operating Voltage Range | 2.8 | 60 | V | ||
| VIN Quiescent Current at Shutdown | VEN/UVLO = 0.2V | 1 | 2 | 15 | μA |
| VIN Quiescent Current at Shutdown | VEN/UVLO = 1.5V | 2 | 5 | 25 | μA |
| VIN Quiescent Current Sleep Mode (Not Switching) | SYNC = 0V | 9 | 15 | 30 | μA |
| VIN Quiescent Current Active Mode (Not Switching) | SYNC = 0V or INTVCC, BIAS = 0V | 1200 | 1600 | 1850 | μA |
| Operating Junction Temperature | LT8364E, LT8364I | –40°C | 125°C | °C | |
| Operating Junction Temperature | LT8364H | –40°C | 150°C | °C | |
| Storage Temperature Range | –65°C | 150°C | °C | ||
| Switching Frequency | 2MHz | Hz |
Key Features
- Wide Input Voltage Range: Operates from 2.8V to 60V, making it versatile for various power management applications.
- High Current Capability: Features a 60V, 4A switch, suitable for high-power requirements.
- Single Feedback Pin Architecture: Simplifies the design process and enhances flexibility in boost, SEPIC, and inverting converter configurations.
- Low Quiescent Current: Offers low quiescent current in shutdown and sleep modes, enhancing efficiency in low-power applications.
- High Operating Temperature Range: Available in versions with operating junction temperatures up to 150°C, suitable for harsh environments.
- Automotive Grade: Versions designated with a #W suffix are available for automotive applications, ensuring high reliability and quality.
- Spread Spectrum Frequency Modulation (SSFM): Reduces EMI by spreading the switching frequency.
Applications
- Automotive Systems: Suitable for automotive applications due to its high reliability and temperature range, especially in models designated with a #W suffix.
- Industrial Power Supplies: Used in industrial power supplies requiring high voltage and current handling capabilities.
- Renewable Energy Systems: Can be used in solar, wind, and other renewable energy systems to manage power efficiently.
- Medical Devices: Applicable in medical devices that require reliable and efficient power management.
- Aerospace and Defense: Suitable for aerospace and defense applications due to its robust performance and high reliability.
Q & A
- What is the input voltage range of the LT8364HMSE#PBF?
The input voltage range is from 2.8V to 60V.
- What is the maximum current handling capability of the LT8364HMSE#PBF?
The maximum current handling capability is 4A.
- What are the different configurations the LT8364HMSE#PBF can be used in?
The LT8364HMSE#PBF can be configured as a boost, SEPIC, or inverting converter.
- What is the significance of the single feedback pin architecture?
The single feedback pin architecture simplifies the design process and enhances flexibility in various power management scenarios.
- What are the operating junction temperature ranges for the LT8364HMSE#PBF?
The operating junction temperature ranges are –40°C to 125°C for LT8364E and LT8364I, and –40°C to 150°C for LT8364H.
- Is the LT8364HMSE#PBF suitable for automotive applications?
Yes, versions designated with a #W suffix are available for automotive applications, ensuring high reliability and quality.
- How does the LT8364HMSE#PBF reduce EMI?
The LT8364HMSE#PBF reduces EMI through Spread Spectrum Frequency Modulation (SSFM).
- What is the switching frequency of the LT8364HMSE#PBF?
The switching frequency is typically 2MHz.
- How should the exposed pad of the LT8364HMSE#PBF be connected?
The exposed pad should be soldered to a continuous copper ground plane under the device to reduce die temperature and increase power capability. Power ground components should be connected near the EN/UVLO and SW pins, while signal ground components should be connected near the VC and FBX pins.
- What are the package options available for the LT8364HMSE#PBF?
The LT8364HMSE#PBF is available in 16-Lead Plastic MSOP with 4 Pins Removed and 12-Lead (4mm × 3mm) Plastic DFN packages.
