Delta Electronics Series H48SR manual Typical input characteristics at room temperature

ELECTRICAL CHARACTERISTICS CURVES

	90
(%)	88
EFFICIENCY	86
	84
	82
	80
	78
		36Vin	48Vin		75Vin
	76
	0.8	1.0	1.2	1.4	1.6	1.8

OUTPUT VOLTAGE (V)

Figure 5: Efficiency vs. output voltage for minimum, nominal, and maximum input voltage at 25°C. (Iout=60A)

	24.0
(W)
DISSIPATION	20.0
	16.0
POWER
	12.0
	8.0
	4.0
		36Vin		48Vin	75Vin
	0.0
	0.8	1.0	1.2	1.4	1.6	1.8

OUTPUT VOLTAGE (V)

Figure 6: Power dissipation vs. output voltage for minimum, nominal, and maximum input voltage at 25°C. (Iout=60A)

	5.0
(A)				Io=60A		Io=36A			Io=6A
INPUT CURRENT	4.0
	3.0
	2.0
	1.0
	0.0
	30	35	40	45	50	55	60	65	70	75

INPUT VOLTAGE (V)

Figure 7: Typical input characteristics at room temperature	Figure 8: Turn-on transient at full rated load current (resistive
	load) (1 ms/div). Top Trace: Vout; 1V/div; Bottom Trace:
	ON/OFF input: 2V/div

4

DS_H48SR1R860_06272006