ETA-USA Tel: 408-778-2793 Fax: 408-779-2753 e-mail: sales@eta-usa.com
45 WATT
DC-DC
CONVERTER
VTB-FWD
SERIES
Specifications
VTB**FWD
45WATTS,25WATTS/2 OUTPUTS
Input Voltage
Input Range
Inrush Current *1
Efficiency [%] (typical) *2
Output Voltage [V]
5
24
24
5
12
12
12
12
15
15
5
12
12
5
Output Current [A]
45W at horizontal mount
5.0
0.85
1.5
1.5
2.0
1.7
3.0
0.8
1.7
1.3
5.0
1.7
3.0
1.5
50W at vertical mount without cover
5.0
1.0
1.8
1.5
2.0
2.0
3.3
0.8
1.7
1.7
5.0
2.0
3.5
1.5
Voltage Adjust Range
Ripple and Noise [mVp-p](maximum) *3
100
290
290
100
170
170
170
170
200
200
100
170
170
100
Regulation
a.Statistic Line Regulation [mV](maximum)
35
168
168
35
84
84
84
84
105
105
35
84
84
35
b.Statistic Load Regulation [mV](maximum)
50
240
240
50
120
120
120
120
150
150
50
120
120
50
c.Temperature Coefficient *4
d.Drift[mV](maximum) *5
40
135
135
40
75
75
75
75
90
90
40
75
75
40
e.Dynamic Load Regulation [mV](typical) *6
150
720
720
150
360
360
360
360
450
450
150
360
360
150
f.Recovery Time *6
Rise up time
Hold up time
Overcurrent Protection
Overvoltage Protection
Remote Sense
Remote On/Off
Reverse Voltage Protection
Operating Temperature
Operating Humidity
Storage Temperature
Storage Humidity
Isolation Resistance
Vibration
Shock
Cooling
? Line Conduction Noise
? Safety
? Weight (typical)
? MTBF [H]
? Switching Frequency[kHz](typical)
*6 when output current changed between 25% and 75% of rated output current rapidly at rated input
40 Fix.
Conditions:
*1 at cold start
*2 at DC110V and rated output
Not specified
-
480g
500,000
0.5mS(typical)
200mS(maximum) at 25 and rated input/output
Not specified
Functions
76
83
81
81
83
79
Output Characteristic
+/-5% of Rated Output Voltage(at no load within input range)
0.03%/
Current Limiting with automatic recovery
zener diode clamping
not available
not available
by internal bridge diode
Environmental
0 to +50
85%RH(non-condensing)
-20 to +85
Withstanding Voltage
Primary-Secondary AC2,000Vfor 1minute
Primary-Frame Ground AC2,000V for 1minute
Secondary-Frame Ground AC500V for 1minute
Primary-Secondary-Frame Ground 50M(minimum) by DC500V insulation tester
-
5-10Hz:10mm double amplitude,10-55Hz:19.6m/s
2
,20minutes' period for 60minutes each along X,Y,Z axes(non-operating)
294m/s
2
Convection
*3 measured by a bayonet probe at the output connector at a 0 to 100MHz bandwidth
*4 at 0 to +50
*5 for 7hour period after 1hour warm-up at 25 and rated input/output
40 Fix.
40 Fix.
40 Fix.
40 Fix.
40 Fix.
40 Fix.
Model
VTB21FWD
VTB21FWD-B
VTB22FWD
VTB22FWD-B
VTB23FWD
VTB24FWD
VTB24FWD-B
80
Input Characteristic
DC110V
DC85-140V
20A(maximum)
