Table 3: Co and Lo values for FF pwr and F-
Co [nf] 19 69 115
Lo [µF] 100 50 30
Table 4: Co and Lo values for HART + pwr
Co [nf] 57 64 75 102
Lo [µF] 1000 750 500 100
AC adapter specifications
Electrical Specification
AC input voltage range 90-264 VAC
Frequency 47 - 63Hz
Input current 1.6A max. at low line input and full load output
Inrush current 60 A max. at 230VAC input and 25°C ambient temperature
Leakage current <0.25 mA
Input protection 1.6A 250VAC Fuse
No load power consumption <0.5W max. at nominal input and no load output
Output voltage 15 V
Output current 4.33 A
Ripple and noise 1% Vout
Hold up time 10ms at nominal input and full load output
No load operation Yes, to protect power supply and system from damage
Short circuit protection Auto recovery, cannot exceed 8A max. after 1 minute at
nominal input line.
Over current protection 150-200%, foldback type, auto recovery
Over voltage protection 110-140%, voltage limiting, recycle input to recover
Operating temperature range 0°C to + 50°C
Operating humidity 8-90% RH non-condensing
Operating altitude Maximum of 2000 meters
Storage temperature range -20°C to +70°C
Storage humidity 5-95% RH non-condensing
Cooling Free air convection
Dimensions 119 x 54x 36mm
Weight 0.33 kg
Withstand voltage I/P-O/P (FG): 3kVAC / 10 mA / 1 minute
EMI EN55022: 2006 Class B, EN61000-3-2:2006, EN61000-3-3:
1995+A1: 2001+A2:2005 EN55024:1998+A1: 2001+A2:
2003, IEC61000-4-2, -3, -4, -5, -6+A1:2004, -8, -11
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