S48SA3R310 datasheet(5/13 Pages) DELTA

Part #	S48SA3R310

Description	UL/cUL 60950 (US & Canada) recognized

PDF	13 Pages

Scroll/Zoom	100%

Manufacturer	DELTA [Delta Electronics, Inc.]

Direct Link	http://www.deltaww.com

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5 / 13 page

DS_S48SA3R310_10112013

ELECTRICAL CHARACTERISTICS CURVES

Strip

Copper

Vo(-)

Vo(+)

10u

SCOPE

RESISTIVE

LOAD

Figure 9: Input Reflected Ripple Current, is, at full rated output

current and nominal input voltage with 12µH source impedance

and 33µF electrolytic capacitor (2 mA/div).

Figure 10: Output voltage noise and ripple measurement test

setup. Scope measurement 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.

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

0.0

2.0

4.0

6.0

8.0

10.0

12.0

14.0

LOAD CURRENT (A)

Vin=48V

Figure 11: Output voltage ripple at nominal input voltage and

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

capacitor and 10µF tantalum capacitor. Bandwidth: 20 MHz.

Figure 12: Output voltage vs. load current showing typical

current limit curves and converter shutdown points.

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