Efficiency and power losses – Rockwell Automation 1606-XLP60BQ Power Supply Reference Manual User Manual

Page 8

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All parameters are specified at 12V, 4.5A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless noted otherwise.

8

Rockwell Automation Publication 1606-RM015A-EN-P — March 2014

Bulletin 1606 Switched Mode Power Supplies

8. Efficiency and Power Losses

AC 100V

AC 120V

AC 230V

Efficiency

typ.

83.5%

85.3%

87.2%

at 12V, 4.5A (full load)

Power losses

typ.

0.45W

0.5W

0.85W

at 0A

typ.

4.2W

3.9W

4.2W

at

12V,

2.25A

(half

load)

typ.

10.6W

9.3W

7.9W

at 12V, 4.5A (full load)

Fig. 8-1

Efficiency vs. output current at 12V,
typ.

Fig. 8-2

Losses vs. output current at 12V,

typ.

Efficiency

0

80

84

88

78

90%

4.5A

0.5

2.5

2

1.5

82

86

b

c

a

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

1

3.5

3

4

Output Current

Power Losses

0

4

8

0

12W

4.5A

0.5

2.5

3.5

1

2

6

b

c

a

10

1.5 2

3

4

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

Output Current

Fig. 8-3

Efficiency vs. input voltage at 12V,
4.5A, typ.

Fig. 8-4

Losses vs. input voltage at 12V, 4.5A,

typ.

Efficiency

85

120

155

190

225 260Vac

Input Voltage

89%

84

86

88

87

85

83

Power Losses

0

2

4

6

8

10

12W

85

120

155

190

225 260Vac

Input Voltage

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