LH1262 Dual photovoltaic MOSFET driver optocoupler (solid-state relay driver)

Description

Technical Description

• Part Number: LH1262CAC / LH1262CACTR / LH1262CB
• Device Type: Dual Photovoltaic MOSFET Driver Optocoupler
• Manufacturer: Vishay
• Isolation Voltage: 5300 VRMS
• Output Type: Photovoltaic (floating gate drive)
• Number of Channels: 2 (Independent)
• Input: Infrared LED
• Output: Photodiode array for MOSFET gate drive
• Package: 8-pin DIP or SMD-8
• Logic Compatible: Yes
• Operating Temperature: Typically –40°C to +85°C (depending on version)

Key Features

• Dual independent photovoltaic outputs
• High electrical isolation (5300 VRMS)
• Generates gate drive voltage without an external isolated power supply
• High open-circuit output voltage
• High short-circuit output current
• Low input drive current
• Solid-state reliability with no mechanical contacts
• Suitable for floating high-side MOSFET gate driving

Applications

• High-side MOSFET drivers
• Solid-state relays (SSR)
• Industrial automation
• Isolated power switching
• Data acquisition systems
• Automatic Test Equipment (ATE)
• Power control circuits
• Floating power supplies
• Medical and instrumentation equipment requiring galvanic isolation

Operating Principle