FNR-5-12G【PDF 3/15 页】19" RACK FOR 5X 12V FRONT END

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FNP600/850/1000 AC-DC Front-Ends

& FNR-5-12G/FNR-5-48G Power Shelves Data Sheet

Output Specifications

Parameter

Conditions/Description

Min.

Nom.

Max.

Units

Efficiency:

FNP600-48

Full rated load at 230 VAC input.

88

89.5

%

FNP1000-48

FNP600-12

FNP850-12

88

84

84

89.5

87

87

Minimum Load

Output Power

FNP1000

FNP850

FNP600

Minimum loading required to maintain regulation.

0

1006

856

600

A

W

Overshoot

Transient Response

Output voltage overshoot at turn-on.

Maximum recovery time to within 1% of initial set

3

%

point due to a 50% load change, 1A/μs.

12V or 48V output:

Standby output:

400

2

μs

ms

Maximum deviation:

12V or 48V output:

Standby output:

2

4

%

%

Turn-On Delay

Time required for initial output voltage stabilization

1.5

Sec

after application of AC input..

Output Regulation

Protection

See Model Selection table.

Parameter

Conditions/Description

Min.

Nom.

Max.

Units

Latch-style overvoltage protection.

FNP600-12 &

Output adjusted to 12V:

14.4

15

15.6

V

FNP850-12

Overvoltage

Protection

FNP600-12:

Latch-style overvoltage protection.

Output adjusted to 7V:

8.75

9.04

9.33

V

FNP850-12:

8.44

8.75

9.1

FNP600-48 &

FNP1000-48

Latch-style overvoltage protection.

Output adjusted to 48V:

57

1

60

V

Overcurrent

FNP600-12

Current limit.12V output:

12V Standby output:

54

0.55

56

0.75

61

1.0

A

Protection

(Power supply

recovers when short

is removed.)

FNP850-12

FNP600-48

FNP1000-48

Current limit.12V output:

12V Standby output:

Current limit.48V output:

12V Standby output:

Current limit.48V output:

77

0.55

13

0.75

22

80

0.75

14

23

88

1.0

16

1.75

25

A

A

A

12V Standby output:

0.75

1.75

pulled up to 5V with a 5.1 k ? resistor. Note.

Short-Circuit

Protection

Overtemperature/

Fan Failure Warning

Power supply recovers when short is removed.

FNP 12V or 48V Vo1 supply output will shut down in the event of an overtemperature condition or blocked

fan rotor. Supply's fan and Vaux are active. Power supply will recover when OT condition is removed.

Amber OT LED will turn ON to indicate fault condition.

OT/Fan Fail is an open-collector signal with 20-mA pull-down. High signal indicates a normal operating

condition. Output will go low at least 100 ms before OT condition shuts down the power supply. Internally

2

1

2

FNP1000-48 overvoltage protection range is 56 V minimum and 60 V maximum.

A pull-up to 3.3V can be achieved by terminating the logic signal with a 10 k ? resistor to logic ground.

BCD20034-G Rev. AD, 11-May-10

Page 3 of 15

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