Efficiency and power losses – Rockwell Automation 1606-XLP15B Power Supply Reference Manual User Manual

Page 8

Advertising
background image

All parameters are specified at 12V, 1.3A, 230Vac input, 25°C ambient and after a 5 minutes run-in time.unless noted otherwise.

8

Rockwell Automation Publication 1606-RM020A-EN-P — March 2014

Bulletin 1606 Switched Mode Power Supplies

8. Efficiency and Power Losses

AC 100V

AC 120V

AC 230V

Efficiency

typ.

82.4%

83.0%

82.5%

at 12V, 1.3A (full load)

Power losses

typ.

0.5W

0.55W

0.75W

at 0A

typ.

1.7W

1.6W

1.8W

at

12V,

0.65A

(half

load)

typ.

3.2W

3.1W

3.2W

at

12V,

1.3A

(full

load)

Fig. 8-1

Efficiency vs. output current at 12V,
typ.

Fig. 8-2 Losses vs. output current at 12V,

typ.

Efficiency

0.2

77

78

79

80

81

82

83

76

84%

1.4A

0.6

0.8

1.2

Output Current

0.4

1.0

a) 100Vac
b) 120Vac
c) 230Vac

b

c

a

Power Losses

0

0.2

1.4A

0

0.5

1.5

2.0

4W

2.5

0.4

0.6

0.8

Output Current

1.0

1.2

1.0

3.0

a) 100Vac

b) 120Vac

c) 230Vac

3.5

b

c

a

Fig. 8-3

Efficiency vs. input voltage at 12V,
1.3A, typ.

Fig. 8-4 Losses vs. input voltage at 12V, 1.3A,

typ.

Efficiency

85

120

155

190

225 260Vac

79

80

81

82

83

84

85%

Input Voltage

Power Losses

2.75

3.25

3.50

3.75

4W

85

120

155

190

225 260Vac

Input Voltage

3.00

Advertising