Delta Electronics Series 240W manual Electrical Characteristics Curves, 38Vin 48Vin 55Vin

ELECTRICAL CHARACTERISTICS CURVES

	97
	96
	95
(%)	94
Efficiency
	93
	92					38Vin
						48Vin
	91					55Vin
	90
	3	6	9	12	15	18	21	24

Output Current (A)

10
8
6
Loss(W)
4
						3 8 V i n
2						4 8 V i n
						5 5 V i n
0
0	3	6	9	12	15	18	21	24

Output Current (A)

Figure 1: Efficiency vs. load current for minimum, nominal, and maximum input voltage at 25°C

Figure 2: Power loss vs. load current for minimum, nominal, and maximum input voltage at 25°C.

	14
	12
(V)	10
Output Voltage	8
	6
	4			38Vin
				48Vin
				55Vin
	2
	0	3	6	9	12	15	18	21	24	27

Output Current (A)

23.00
22.00
21.00
Io(A)
20.00
Max
19.00
18.00
17.00
38	40	42	44	46	48	50	52	54	56

Vin (V)

Figure 3: Output voltage regulation vs load current showing	Figure 4: Max output current vs input voltage.
typical current limit curves and converter shutdown points for
minimum, nominal, and maximum input voltage at room
temperature.

DS_E48SB12020_05222008

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