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V48SC12007PKFA Datasheet(PDF) 5 Page - Delta Electronics, Inc. |
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V48SC12007PKFA Datasheet(HTML) 5 Page - Delta Electronics, Inc. |
5 / 13 page DS_V48SC12007_08212013 5 ELECTRICAL CHARACTERISTICS CURVES Figure 9: Test set-up diagram showing measurement points for Input Terminal Ripple Current and Input Reflected Ripple Current. Note: Measured input reflected-ripple current with a simulated source Inductance (LTEST) of 12 μH. Capacitor Cs offset possible battery impedance. Measure current as shown above Figure 10: Input Terminal Ripple Current, ic, at full rated output current and nominal input voltage with 12µH source impedance and 33µF electrolytic capacitor (200 mA/div, 1us/div) Figure 11: Input reflected ripple current, is, through a 12µH source inductor at nominal input voltage and rated load current (20 mA/div, 2us/div) Figure 12: Output voltage noise and ripple measurement test setup Figure 13: Output voltage ripple at nominal input voltage and rated load current (Io=7.5A)(50 mV/div, 1us/div) Load capacitance: 1µF ceramic capacitor and 10µF tantalum capacitor. Bandwidth: 20 MHz. Scope measurements should be made using a BNC cable (length shorter than 20 inches). Position the load between 51 mm to 76 mm (2 inches to 3 inches) from the module. Strip Copper Vo(-) Vo(+) 10u 1u SCOPE RESISTIVE LOAD Vin+ Vin- is ic 100uF, ESR=0.2 ohm @ 25oC 100KHz Cs: 220uF + + Vin+ Vin- is ic 100uF, ESR=0.2 ohm @ 25oC 100KHz Cs: 220uF + + is ic 100uF, ESR=0.2 ohm @ 25oC 100KHz Cs: 220uF + + + + |
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