ZHCSB64A June   2013  – September 2014 SN6501-Q1

PRODUCTION DATA.  

  1. 特性
  2. 应用范围
  3. 说明
  4. 修订历史记录
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Handling Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Switching Characteristics
    7. 6.7 Typical Characteristics
  7. Parameter Measurement Information
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Push-Pull Converter
      2. 8.3.2 Core Magnetization
    4. 8.4 Device Functional Modes
      1. 8.4.1 Start-Up Mode
      2. 8.4.2 Operating Mode
      3. 8.4.3 Off-Mode
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 SN6501 Drive Capability
        2. 9.2.2.2 LDO Selection
        3. 9.2.2.3 Diode Selection
        4. 9.2.2.4 Capacitor Selection
        5. 9.2.2.5 Transformer Selection
          1. 9.2.2.5.1 V-t Product Calculation
          2. 9.2.2.5.2 Turns Ratio Estimate
          3. 9.2.2.5.3 Recommended Transformers
      3. 9.2.3 Application Curve
      4. 9.2.4 Higher Output Voltage Designs
      5. 9.2.5 Application Circuits
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 器件支持
      1. 12.1.1 第三方产品免责声明
    2. 12.2 商标
    3. 12.3 静电放电警告
    4. 12.4 术语表
  13. 13机械封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

6 Specifications

6.1 Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted)(1)
MIN MAX UNIT
VCC Supply voltage –0.3 6 V
VD1, VD2 Output switch voltage 14 V
ID1P, ID2P Peak output switch current 500 mA
PTOT Continuous power dissipation 250 mW
TJ Junction temperature 170 °C
(1) Stresses beyond those listed under Absolute Maximum Ratings cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods affects device reliability.

6.2 Handling Ratings

MIN MAX UNIT
Tstg Storage temperature range –65 150 °C
V(ESD) Electrostatic discharge Human body model (HBM) AEC-Q100 Classification Level H2, all pins –2 2 kV
Charged device model (CDM) AEC-Q100 Classification Level C4B, all pins –750 750 V

6.3 Recommended Operating Conditions

MIN TYP MAX UNIT
VCC Supply voltage 3 5.5 V
VD1, VD2 Output switch voltage VCC = 5 V ± 10%, When connected to Transformer with primary winding Center-tapped 0 11 V
VCC = 3.3 V ± 10% 0 7.2
ID1, ID2 D1 and D2 output switch current – Primary-side VCC = 5 V ± 10% VD1, VD2 Swing ≥ 3.8 V,
see Figure 32 for typical characteristics
350 mA
VCC = 3.3 V ± 10% VD1, VD2 Swing ≥ 2.5 V,
see Figure 31 for typical characteristics
150
TA Ambient temperature –40 125 °C

6.4 Thermal Information

THERMAL METRIC(1) SN6501 UNIT
DBV 5-PINS
θJA Junction-to-ambient thermal resistance 208.3 °C/W
θJCtop Junction-to-case (top) thermal resistance 87.1
θJB Junction-to-board thermal resistance 40.4
ψJT Junction-to-top characterization parameter 5.2
ψJB Junction-to-board characterization parameter 39.7
θJCbot Junction-to-case (bottom) thermal resistance N/A
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.

6.5 Electrical Characteristics

over full-range of recommended operating conditions, unless otherwise noted
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
RON Switch-on resistance VCC = 3.3 V ± 10%, See Figure 36 1 3 Ω
VCC = 5 V ± 10%, See Figure 36 0.6 2
ICC Average supply current(1) VCC = 3.3 V ± 10%, no load 150 400 µA
VCC = 5 V ± 10%, no load 300 700
fST Startup frequency VCC = 2.4 V, See Figure 36 300 kHz
fSW D1, D2 Switching frequency VCC = 3.3 V ± 10%, See Figure 36 250 360 495 kHz
VCC = 5 V ± 10%, See Figure 36 300 410 620
(1) Average supply current is the current used by SN6501 only. It does not include load current.

6.6 Switching Characteristics

over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
tr-D D1, D2 output rise time VCC = 3.3 V ± 10%, See Figure 36 70 ns
VCC = 5 V ± 10%, See Figure 36 80
tf-D D1, D2 output fall time VCC = 3.3 V ± 10%, See Figure 36 110 ns
VCC = 5 V ± 10%, See Figure 36 60
tBBM Break-before-make time VCC = 3.3 V ± 10%, See Figure 36 150 ns
VCC = 5 V ± 10%, See Figure 36 50

6.7 Typical Characteristics

TP1 Curves are measured with the Circuit in Figure 33; whereas, TP1 and TP2 Curves are measured with Circuit in Figure 35 (TA = 25°C unless otherwise noted). See Table 3 for Transformer Specifications.
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Figure 1. Output Voltage vs Load Current
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Figure 3. Output Voltage vs. Load Current
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Figure 5. Output Voltage vs Load Current
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Figure 7. Output Voltage vs Load Current
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Figure 9. Output Voltage vs Load Current
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Figure 11. Output Voltage vs Load Current
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Figure 13. Output Voltage vs Load Current
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Figure 15. Output Voltage vs Load Current
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Figure 17. Output Voltage vs Load Current
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Figure 19. Output Voltage vs Load Current
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Figure 21. Output Voltage vs Load Current
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Figure 23. Output Voltage vs Load Current
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Figure 25. Output Voltage vs Load Current
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Figure 27. Output Voltage vs Load Current
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Figure 29. Average Supply Current vs Free-Air Temperature
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Figure 31. D1, D2 Primary-Side Output Switch Voltage Swing vs Current
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Figure 2. Efficiency vs Load Current
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Figure 4. Efficiency vs Load Current
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Figure 6. Efficiency vs Load Current
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Figure 8. Efficiency vs Load Current
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Figure 10. Efficiency vs Load Current
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Figure 12. Efficiency vs Load Current
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Figure 14. Efficiency vs Load Current
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Figure 16. Efficiency vs Load Current
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Figure 18. Efficiency vs Load Current
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Figure 20. Efficiency vs Load Current
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Figure 22. Efficiency vs Load Current
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Figure 24. Efficiency vs Load Current
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Figure 26. Efficiency vs Load Current
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Figure 28. Efficiency vs Load Current
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Figure 30. D1, D2 Switching Frequency vs Free-Air Temperature
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Figure 32. D1, D2 Primary-Side Output Switch Voltage Swing vs Current