Delta-electronics Q48SP Uživatelský manuál stáhnout pdf (Strana 6)

DS_Q48SP12017_05302008

ELECTRICAL CHARACTERISTICS CURVES

Vo(-)

Vo(+)

10u 1u

Copper Strip

SCOPE RESISTIV

LOAD

Figure 11: Output voltage noise and ripple measurement

test setup

Figure 12: Output voltage ripple at 36V input voltage and rated

load current (50 mV/div). Load capacitance: 1µF ceramic

capacitor and 10µF tantalum capacitor. Bandwidth: 25 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.

Figure 13: Output voltage ripple at 48V input voltage and

rated load current (50 mV/div). Load capacitance: 1µF

ceramic capacitor and 10µF tantalum capacitor. Bandwidth:

25 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.

Figure 14: Output voltage ripple at 75V input voltage and rated

load current (50 mV/div). Load capacitance: 1µF ceramic

capacitor and 10µF tantalum capacitor. Bandwidth: 25 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.

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Delta-electronics Q48SP Uživatelský manuál Strana 6