Overview
The LT8331IMSE#TRPBF, produced by Analog Devices Inc., is a current mode DC/DC converter designed for a wide range of power management applications. This device features a 140V, 0.5A switch and operates from an input voltage range of 4.5V to 100V. It is distinguished by its unique single feedback pin architecture, allowing for flexible configuration as a boost, SEPIC, flyback, or inverting converter. This versatility makes it an ideal solution for various power conversion needs.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 4.5V to 100V |
| Switch Voltage | 140V |
| Switch Current | 0.5A |
| Output Voltage Range | 1.6V to 140V |
| Maximum Output Current | 500 mA |
| Switching Frequency | 500 kHz |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | 125°C |
| Package Type | MSOP-16-12 |
| Mounting Style | SMD/SMT |
Key Features
- Flexible Topology: Can be configured as boost, SEPIC, flyback, or inverting converter.
- Low Quiescent Current: Ultra-low quiescent current at light loads when using Burst Mode operation.
- Pulse-Skipping Mode: Maintains output voltage regulation at light loads by skipping switch pulses.
- Synchronization Capability: Switching frequency can be synchronized to an external clock.
- Protection Features: Includes internal reference UVLO, INTVCC UVLO, switch current limit, and junction temperature protection.
- Efficiency Enhancement: BIAS pin allows INTVCC supply current to be drawn from the BIAS pin instead of the VIN pin for improved efficiency.
Applications
The LT8331IMSE#TRPBF is suitable for a variety of applications, including:
- Industrial Power Systems: Where high voltage and current flexibility are required.
- Automotive Systems: Versions with controlled manufacturing are available to support automotive reliability requirements.
- Medical Devices: Its wide input voltage range and low quiescent current make it ideal for medical equipment.
- Consumer Electronics: For devices requiring efficient and flexible power management.
Q & A
- What is the input voltage range of the LT8331IMSE#TRPBF?
The input voltage range is from 4.5V to 100V. - What are the possible configurations for the LT8331IMSE#TRPBF?
It can be configured as a boost, SEPIC, flyback, or inverting converter. - What is the maximum switch voltage and current?
The maximum switch voltage is 140V, and the maximum switch current is 0.5A. - What is the switching frequency of the LT8331IMSE#TRPBF?
The switching frequency is 500 kHz. - Does the LT8331IMSE#TRPBF support synchronization with an external clock?
Yes, it supports synchronization with an external clock. - What are the protection features included in the LT8331IMSE#TRPBF?
It includes internal reference UVLO, INTVCC UVLO, switch current limit, and junction temperature protection. - How does the BIAS pin improve efficiency?
The BIAS pin allows the INTVCC supply current to be drawn from the BIAS pin instead of the VIN pin, improving efficiency across all loads. - What is the operating temperature range of the LT8331IMSE#TRPBF?
The operating temperature range is from -40°C to 125°C. - Is the LT8331IMSE#TRPBF suitable for automotive applications?
Yes, versions with controlled manufacturing are available to support automotive reliability requirements. - What package type is the LT8331IMSE#TRPBF available in?
It is available in an MSOP-16-12 package.
