Overview
The LT8364IDE#PBF is a high-performance current mode DC/DC converter produced by Analog Devices Inc. This device features a 60V, 4A switch and operates from a wide input voltage range of 2.8V to 60V. It is distinguished by its unique single feedback pin architecture, which simplifies the design and implementation of various DC/DC converter topologies.
The LT8364 is versatile and can be configured as a boost, SEPIC, or inverting converter, making it suitable for a variety of applications, including automotive systems. Versions designated with a #W suffix are specifically designed to meet the quality and reliability requirements of automotive applications.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Operating Voltage Range (VIN) | 2.8 | - | 60 | V |
| Quiescent Current at Shutdown (VEN/UVLO = 0.2V) | 1 | 1 | 2 | μA |
| Quiescent Current at Shutdown (VEN/UVLO = 1.5V) | 2 | 2 | 5 | μA |
| Quiescent Current in Sleep Mode (SYNC = 0V) | 9 | 9 | 15 | μA |
| Quiescent Current in Active Mode (SYNC = 0V or INTVCC, BIAS = 0V) | 1200 | 1200 | 1600 | μA |
| Switch Current Limit | - | - | 1.5 × maximum limit | - |
| Junction Temperature | - | - | 170°C | - |
Key Features
- Wide Input Voltage Range: Operates from 2.8V to 60V, making it suitable for various power supply applications.
- High Current Capability: Features a 60V, 4A switch, enabling high current output.
- Single Feedback Pin Architecture: Simplifies the design by using a single feedback pin for different converter topologies.
- Low Quiescent Current: Achieves ultra-low quiescent current in shutdown and sleep modes, enhancing efficiency at light loads.
- Burst Mode Operation: Uses a low ripple Burst Mode architecture to minimize input quiescent current and output ripple.
- Protection Features: Includes internal reference UVLO, INTVCC UVLO, switch current limit, and junction temperature protection.
- BIAS Pin for Efficiency: Intelligently chooses between VIN and BIAS pins to supply INTVCC for best efficiency.
- Automotive Grade: Versions with a #W suffix meet the quality and reliability requirements of automotive applications.
Applications
- Automotive Systems: Suitable for automotive applications due to its robust design and compliance with automotive reliability standards.
- Industrial Power Supplies: Ideal for industrial power supply systems requiring high reliability and efficiency.
- Renewable Energy Systems: Can be used in solar, wind, and other renewable energy systems to optimize power conversion.
- Battery-Powered Devices: Suitable for battery-powered devices that require efficient power management.
- General Purpose Power Conversion: Versatile enough to be used in various general-purpose power conversion applications.
Q & A
- What is the input voltage range of the LT8364IDE#PBF?
The input voltage range of the LT8364IDE#PBF is from 2.8V to 60V.
- What is the maximum switch current of the LT8364IDE#PBF?
The LT8364IDE#PBF features a 60V, 4A switch.
- What are the key protection features of the LT8364IDE#PBF?
The device includes internal reference UVLO, INTVCC UVLO, switch current limit, and junction temperature protection.
- Can the LT8364IDE#PBF be used in automotive applications?
Yes, versions designated with a #W suffix are specifically designed to meet the quality and reliability requirements of automotive applications.
- What is the quiescent current in shutdown mode for the LT8364IDE#PBF?
The quiescent current in shutdown mode is typically 1 μA (VEN/UVLO = 0.2V) and 2 μA (VEN/UVLO = 1.5V).
- How does the LT8364IDE#PBF achieve low quiescent current at light loads?
The device uses a low ripple Burst Mode architecture to minimize input quiescent current and output ripple at light loads.
- What is the purpose of the BIAS pin in the LT8364IDE#PBF?
The BIAS pin intelligently chooses between the VIN and BIAS pins to supply INTVCC for best efficiency.
- Can the LT8364IDE#PBF be configured as different types of converters?
Yes, it can be configured as a boost, SEPIC, or inverting converter.
- What is the junction temperature limit for the LT8364IDE#PBF?
The junction temperature limit is 170°C.
- How does the single feedback pin architecture benefit the design of the LT8364IDE#PBF?
The single feedback pin architecture simplifies the design by allowing different converter topologies to be implemented with a single feedback pin.
