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Rainbow Electronics LM3813 Instruction Manuals and User Guides

We have 1 Instruction Manual and User Guide for LM3813 Rainbow Electronics

Rainbow Electronics LM3813 User Manual, 14 pages
Rainbow Electronics / Sensors
Recognized languages:   English
Pages: 14
Size: 683 KB
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Document Outline

  • LM3812/LM3813
    • General Description
    • Key Specifications
    • Features
    • Applications
    • Connection Diagrams
    • Ordering Information
    • Pin Description (High-Side, LM3812)
    • Pin Description (Low-Side, LM3813)
    • Absolute Maximum Ratings
    • Operating Ratings
    • Electrical Characteristics
      • LM3812-1.0, LM3813-1.0
      • LM3812-7.0, LM3813-7.0
      • Common Device Parameters
    • Typical Performance Characteristics
    • Typical Application Circuits
      • FIGURE 1. High Side Sense
      • FIGURE 2. Low Side Sense
      • FIGURE 3. Paralleling LM3812 for Higher Load Current ITOTAL = 2.2(D1-0.5)IMAX + 2.2(D2-0.5)IMAX
      • FIGURE 4. High Voltage Operation - VIN Greater Than 5.25V (High Side Sense) (PWM output is referr
      • FIGURE 5. High Voltage Operation - VIN Greater Than 5.25V (Low Side Sense)
    • Product Operation
      • FIGURE 6. Functional block diagram of LM3812 and LM3813
    • PWM Output and Current Accuracy
      • Offset
      • Jitter
      • Jitter and Noise
      • Accuracy of 7A Versions
        • FIGURE 7. Transient Response to 7 Amp Step Current
      • Accuracy versus Noise
        • FIGURE 8. Typical Response of LM3812-1.0/LM3813-1.0
    • Look-Up Tables
      • TABLE 1. Current to Duty Cycle Conversion Table
    • TABLE 2. Duty Cycle to Current Conversion Table
    • Timing Diagram
      • FIGURE 9. Typical Timing Diagram for Mostly Positive Current
    • Physical Dimensions
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