User ManualTable of ContentsPreface5Chapter 1. Product Overview91.1 Introduction91.2 What is the MCP1256/7/8/9 Charge Pump Evaluation Board?101.3 What the MCP1256/7/8/9 Charge Pump Evaluation Board Includes10Chapter 2. Installation and Operation112.1 Introduction112.2 Features112.3 Getting Started12Appendix A. Schematic and Layouts15A.1 Introduction15A.2 Board Schematic16A.3 Board - Assembly Drawing17A.4 Board - Top Overlay18A.5 Board - Top Layer19A.6 Board - Bottom Layer20Appendix B. Bill Of Materials (BOM)21Worldwide Sales and Service22Size: 705 KBPages: 22Language: EnglishOpen manual
Data SheetTable of Contents1.0 Electrical Characteristics32.0 Typical Performance Curves6FIGURE 2-1: Efficiency (h) vs. Output Current (IOUT).6FIGURE 2-2: Efficiency (h) vs. Output Current (IOUT).6FIGURE 2-3: Efficiency (h) vs. Supply Voltage (VIN).6FIGURE 2-4: Efficiency (h) vs. Supply Voltage (VIN).6FIGURE 2-5: Efficiency (h) vs. Supply Voltage (VIN).6FIGURE 2-6: Efficiency (h) vs. Supply Voltage (VIN).6FIGURE 2-7: Output Voltage (VOUT) vs. Output Current (IOUT).7FIGURE 2-8: Output Voltage (VOUT) vs. Input Voltage (VIN).7FIGURE 2-9: Quiescent Supply Current (IQ) vs. Output Current (IOUT) - Normal Mode.7FIGURE 2-10: Quiescent Supply Current (IQ) vs. Output Current (IOUT) - Normal Mode.7FIGURE 2-11: Quiescent Supply Current (IQ) vs. Output Current (IOUT) - SLEEP Mode.7FIGURE 2-12: Quiescent Supply Current (IQ) vs. Output Current (IOUT) - SLEEP Mode.7FIGURE 2-13: BYPASS Impedance (RBYPASS) vs. Supply Voltage (VIN).8FIGURE 2-14: Output Voltage Ripple vs. Time - Normal 2x Mode.8FIGURE 2-15: Output Voltage Ripple vs. Time - Normal 2x Mode.8FIGURE 2-16: Output Voltage Ripple vs. Time - Normal 2x Mode.8FIGURE 2-17: Output Voltage Ripple vs. Time - Normal 1.5x Mode.8FIGURE 2-18: Output Voltage Ripple vs. Time - Normal 1.5x Mode.8FIGURE 2-19: Output Voltage Ripple vs. Time - Normal 1.5x Mode.9FIGURE 2-20: Output Voltage Ripple vs. Time - SLEEP Mode.9FIGURE 2-21: Output Voltage Ripple vs. Time - SLEEP Mode.9FIGURE 2-22: Output Voltage Ripple vs. Time - SLEEP Mode.9FIGURE 2-23: Output Voltage Ripple vs. Time - SLEEP Mode.9FIGURE 2-24: Output Voltage Ripple vs. Time - Mode Transition: SLEEP Mode-to-Normal 2x Mode-to-SLEEP Mode.9FIGURE 2-25: Load Transient Response - Normal 2x Mode.10FIGURE 2-26: Load Transient Response - Normal 1.5x Mode.10FIGURE 2-27: Line Transient Response.10FIGURE 2-28: Line Transient Response.103.0 Pin Description11TABLE 3-1: Pin Function Table113.1 Status Indication (PGOOD, LBO)113.2 Mode Selection (SLEEP, BYPASS)113.3 Flying Capacitor Negative (C2-)113.4 Flying Capacitor Positive (C1+)113.5 Regulated Output Voltage (VOUT)113.6 Flying Capacitor Positive (C2+)113.7 Power Supply Input Voltage (VIN)113.8 Flying Capacitor Negative (C1-)113.9 0V Reference (GND)113.10 Device Shut Down (SHDN)114.0 Device Overview124.1 Theory of Operation124.2 Power Efficiency124.3 Shutdown Mode (SHDN)124.4 SLEEP Mode (SLEEP)124.5 BYPASS Mode (BYPASS)124.6 Power-Good Output (PGOOD)134.7 Low-Battery Output (LBO)134.8 Soft-Start and Short-Circuit Protection134.9 Thermal Shutdown135.0 applications135.1 Capacitor Selection135.2 PCB Layout Issues136.0 Typical application Circuits14FIGURE 6-1: Typical Application Circuits.147.0 Packaging Information157.1 Package Marking Information15Appendix A: Revision History19Corporate Office24Atlanta24Boston24Chicago24Cleveland24Fax: 216-447-064324Dallas24Detroit24Indianapolis24Toronto24Fax: 852-2401-343124Australia - Sydney24China - Beijing24China - Shanghai24India - Bangalore24Korea - Daegu24Korea - Seoul24Singapore24Taiwan - Taipei24Fax: 43-7242-2244-39324Denmark - Copenhagen24France - Paris24Germany - Munich24Italy - Milan24Spain - Madrid24UK - Wokingham24Worldwide Sales and Service24Size: 673 KBPages: 24Language: EnglishOpen manual
