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VTC**A Specification
S pecificatio n s<AC /DC >
V T C **A
50W A T T S /2 O U T PUT S
O utput V oltage [V ]
5
24
24
5
12
12
12
5
O utput C urrent [A ]
5.0
1.0
2.0
1.5
2.0
2.0
3.0
3.0
V oltage A djus t R ange
R ipple and N ois e [m V p-p](m axim um ) *3
65
122
122
65
86
86
86
65
R egulation
a.S tatis tic Line R egulation [m V ](m axim um )
40
192
192
40
96
96
96
40
b.S tatis tic Load R egulation [m V ](m axim um )
45
216
216
45
108
108
108
45
c .T em perature C oeffic ient *4
d.D rift[m V ](m axim um )
-
-
-
-
-
-
-
-
e.D ynam ic Load R egulation [m V ](typic al)
f.R ec overy T im e
R is e up tim e
H old up tim e
O verc urrent P rotec tion
O vervoltage P rotec tion
R em ote S ens e
R em ote O n/O ff
O perating T em perature
O perating H um idity
S torage T em perature
S torage H um idity
Is olation R es is tanc e
V ibration
S hoc k
C ooling
? Leakage C urrent
? Line C onduc tion N ois e
? S afety
? W eight (typic al)
? M T B F [H ]
? S witc hing F requenc y[kH z](typic al)
150m S (m axim um ) at 25 and rated input/output
15m S (m inim um ) at 25 and rated input/output
F u n ctio n s
C urrent Lim iting with autom atic rec overy
0.03% /
N ot s pec ified
N ot s pec ified
M o d el
V T C 21A
V T C 21A -B
V T C 22A
V T C 24A
O u tp ut C h aracteristic
V 1:+/-10% of R ated O utput V oltage(at no load within input range)
V 1:S C R -C lam per V 2,V 3 :Zener diode c lam ping
not available
not available
E nv iro n m en tal
0 to +50
85% R H (non-c ondens ing)
2:fixed with toleranc e of + /-5% R ate O utput V oltage(at no load within input range
-20 to + 85
30 to 85% R H (non-c ondens ing)
W iths tanding V oltage
P rim ary-S ec ondary A C 1,500V for 1m inute
P rim ary-F ram e G round A C 1,500V for 1m inute
S ec ondary-F ram e G round A C 500V for 1m inute
P rim ary-S ec ondary-F ram e G round 50M (m inim um ) by D C 500V ins ulation
5-10Hz:10m m double am plitude,10-55Hz:19.6m /s
2
,20m inutes' period for 60m inutes each along X,Y ,Z axes(non-operating)
294m /s
2
C onvec tion
0.25m A (m axim um )
N ot s pec ified
-
480g
450,000
46
C onditions :
*1 at c old s tart
*2 at D C 130V and rated output
*3 m eas ured by a bayonet probe at the output c onnec tor at a 0 to 100M H z bandwidth
*4 at 0 to +50
