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Detailed I C information is available from the model's I C Manual located on the Power-One web site.
FND850-12DRG Front-End Preliminary Data Sheet
DC Input, 12V Output, 850 Watts
I 2 C Bus Management Interface
2 2
Static
Status (Logic 1 or 0)
Real-Time Monitoring
Includes static information such as: part number and revision level, output rating, serial number,
date code, and manufacturing location.
Power Supply OK.
Input OK.
DC Output OK.
Power Supply Seated.
Overtemperature.
Overcurrent.
Fan OK.
Output voltage (main output) 0.01V LSD.
Output current (main output) 0.1A LSD.
I C setting
I 2 C monitor signal
accuracy at 25°C
Control Signals
(Logic 1 or 0)
2
Output voltage measurement (main output) ? 0.05
Output current measurement (main output) ? 1
Enable for main output.
Fan speed level.
Output voltage setting resolution (main output) 0.0154
Output current setting resolution (main output) 0.5
V
A
V
A
Safety, Regulatory, and EMI Specifications
Parameter
Conditions/Description
Min.
Nom.
Max.
Units
Agency Approvals
UL60950-1, (UL) CSA 60950-1 (cUL), EN60950-1, CE Mark for LVD.
Electromagnetic
Interference
Voltage Fluctuation
FCC CFR title 47 Part 15 Sub-Part B, EN55022/
CISPR 22 Conducted:
Radiated:
Unit must start up
Level B
Level A
Pass
ESD Susceptability
Radiated
Susceptability
EFT/Burst
Per EN61000-4-2, Level 4. contact
Per EN61000-4-2, Level 4. air
Per EN 61000-4-3, Level 3.
Per EN 61000-4-4, Level 4.
8
15
10
± 2
.
.
.
kV
kV
V/m
kV
Input Transient
Protection
RF Conducted
Disturbances
Per EN 61000-4-5, Level 1.
Per EN 61000-4-6, Level 3.
Line-to-Line:
Line-to-Ground:
± 0.5
± 0.5
10
.
.
kV
V/m
Leakage Current
Per EN60950-1.
Vin = 36 to 75 VDC:
3.5
mA
MCD10096 Rev. 1.6, 23-Jul-10
Page 4 of 11
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