Overview
The LT8302ES8E#TRPBF is a monolithic micropower isolated flyback converter produced by Analog Devices Inc. This device integrates high voltage circuitry and control logic into a thermally enhanced 8-lead SO package, making it a compact and efficient solution for isolated power delivery. The LT8302/LT8302-3 series operates from an input voltage range of 3V to 42V and can deliver up to 18W of isolated output power, making it suitable for a variety of applications requiring high efficiency and low component count.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 3V to 42V |
| Output Power | Up to 18W |
| Internal DMOS Power Switch | 3.6A, 65V |
| Quiescent Current | 106µA (Sleep Mode), 380µA (Active Mode) |
| Minimum Switching Frequency | 11.3 kHz to 12.7 kHz |
| Minimum Switch-On Time | 160 ns |
| Maximum Switch-Off Time | 170 µs |
| Maximum Switch Current Limit | 3.6 A to 5.4 A |
| Switch On-Resistance | 80 mΩ at ISW = 1.5A |
| Operating Temperature Range | –40°C to 125°C (E Grade), –40°C to 150°C (I and H Grades) |
Key Features
- Quasi-resonant boundary mode operation at heavy load and low ripple burst mode operation at light load.
- High level of integration with minimal external component requirements.
- Low quiescent current in both sleep and active modes.
- Internal temperature compensation (PTAT) for estimating junction temperature.
- Thermally enhanced 8-lead SO package.
Applications
The LT8302ES8E#TRPBF is suitable for various applications requiring isolated power delivery, such as industrial control systems, medical devices, automotive systems, and any scenario where high efficiency and low component count are critical.
Q & A
- What is the input voltage range of the LT8302ES8E#TRPBF?
The input voltage range is 3V to 42V. - How much output power can the LT8302ES8E#TRPBF deliver?
It can deliver up to 18W of isolated output power. - What is the quiescent current in sleep and active modes?
The quiescent current is 106µA in sleep mode and 380µA in active mode. - What is the minimum switching frequency of the LT8302ES8E#TRPBF?
The minimum switching frequency is between 11.3 kHz and 12.7 kHz. - What is the maximum switch current limit?
The maximum switch current limit is between 3.6 A and 5.4 A. - What is the operating temperature range for the E Grade?
The operating temperature range for the E Grade is –40°C to 125°C. - How does the LT8302ES8E#TRPBF handle temperature compensation?
The device includes internal temperature compensation (PTAT) for estimating junction temperature. - What is the package type of the LT8302ES8E#TRPBF?
The package type is an 8-lead SO (Small Outline) package. - What are some typical applications for the LT8302ES8E#TRPBF?
Typical applications include industrial control systems, medical devices, and automotive systems. - Is the LT8302ES8E#TRPBF suitable for automotive applications?
Yes, versions of this part are available with controlled manufacturing to support automotive applications, designated with a #W suffix.
