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LT1242MJ8 - Isolated Buck PWM Controller IC

The LT1242MJ8 from Analog Devices Inc. is a high-performance isolated buck PWM controller designed for demanding power conversion applications in aerospace, automotive, industrial, and telecommunications systems.

Key Features & Benefits

  • Wide Input Range: 10V to 25V supply voltage with 16V start-up threshold
  • High-Frequency Operation: Switching frequencies up to 500kHz for compact designs
  • Excellent Efficiency: 96% maximum duty cycle enables optimal power conversion
  • Isolated Topology: Buck configuration with output isolation for enhanced safety
  • Extended Temperature Range: -55°C to 125°C (TJ) for harsh environments
  • Frequency Control: Precision control features for stable operation
  • Reliable Packaging: 8-CERDIP ceramic package for long-term reliability

Typical Applications

  • Isolated DC-DC converters
  • Industrial power supplies
  • Automotive electronics
  • Telecommunications infrastructure
  • Aerospace and defense systems
  • High-reliability embedded systems

Why Choose Authorized Distribution?

When you purchase the LT1242MJ8 from our authorized channel, you receive:

  • ✓ 100% genuine Analog Devices components with full manufacturer traceability
  • ✓ Complete technical documentation and datasheets
  • ✓ Long lifecycle availability to support your program requirements
  • ✓ Design-in support and reference designs
  • ✓ Global shipping through authorized logistics partners

Need technical support or volume pricing? Contact our design-in team for assistance with your project.

Product attributes Property Value
Manufacturer Analog Devices Inc.
Product Series
Packaging |
Output Isolation Isolated
Internal Switch(s) No
Voltage - Breakdown -
Topology Buck
Voltage - Start Up 16 V
Voltage - Supply (Vcc/Vdd) 10V ~ 25V
Duty Cycle 96%
Frequency - Switching Up to 500kHz
Power (Watts) -
Fault Protection -
Control Features Frequency Control
Operating Temperature -55°C ~ 125°C (TJ)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 8-CDIP (0.300", 7.62mm)
Supplier Device Package 8-CERDIP