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Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
FasTrak Mini E-Grade Family
Rev. 1.0
Page 1 of 8
Set your site on VICOR at www.vicorpower.com
4
5
Absolute Maximum Ratings
Parameter
Min
Typ
Max
Unit
Baseplate to sink; flat, greased surface
0.24
C/Watt
Baseplate to sink; thermal pad (P/N 20263)
0.21
C/Watt
Baseplate to ambient
10.9
C/Watt
Baseplate to ambient; 1000 LFM
2.8
C/Watt
Thermal capacity
48
Watt-sec/C
Thermal Resistance and Capacity
Data Sheet
FasTrak Micro E-Grade Family
DC-DC Converter Module
Features
Input voltages: 24, 48, 300 & 375 V
DC outputs: 3.3 V 48 V
Programmable output: 10 to 110%
Regulation: 0.5% no load to full load
Efficiency: Up to 88%
Max operating temp: 100C, full load
Power Density: Up to 90 W/cubic Inch
Parallelable, with N+M fault tolerance
Low noise ZCS/ZVS architecture
Product Overview
These DC-DC converter modules use
advanced power processing, control and
packaging technologies to provide the
performance, flexibility, reliability and
cost effectiveness of a mature power
component. High frequency ZCS/ZVS
switching provide high power density
with low noise and high efficiency.
Applications
Off-line systems with autoranging or
PFC front-ends, industrial and process
control, distributed power, medical, ATE,
communications, defense, aerospace
Part Numbering
e.g. V300C12E150BL2
For a description of pin options, see page 6.
Baseplate options include slotted flanges,
threaded and through-hole. See page 7
for dimensions. For other package sizes
and powerlevels, see the FasTrak Maxi
(full size) and FasTrak Micro (quarter
size) datasheets.
Parameter
Rating
Unit
Notes
+In to In voltage
24 Vin
-0.5 to +36
Vdc
48 Vin
-0.5 to +75
Vdc
300 Vin
-0.5 to +375
Vdc
375 Vin
-0.5 to +425
Vdc
PC to In voltage
-0.5 to +7.0
Vdc
PR to In voltage
-0.5 to +7.0
Vdc
SC to Out voltage
-0.5 to +1.5
Vdc
Sense to Out voltage
1.0
Vdc
Isolation voltage (in to out)
3000
Vrms
Isolation voltage (in to base)
1550
Vrms
Isolation voltage (out to base)
500
Vrms
Operating temperature
-10 to +100
C
Storage temperature
-20 to +125
C
Pin soldering temperature
500 (260)
F (C)
<5 sec; wave solder
Pin soldering temperature
750 (390)
F (C)
<7 sec; hand solder
Mounting torque
5 (0.57)
in-lbs (N-m)
6 each, # 4-40 or M3
V
C
E
B
Input Voltage
24: 18 36 Vin
48: 36 75 Vin
300: 180 375 Vin
375: 250 425 Vin
Output Voltage
3V3: 3.3V
5: 5 V
12: 12 V
15: 15 V
24: 24 V
28: 28 V
48: 48 V
Pin Style
Blank: Short
Tin/Lead
L: Long Tin/Lead
S:Short Gold
N: Long Gold
Output Power (Watts)
Input
3.3 Vout
5 Vout
>5 Vout
24 V
75
100
100
48 V
75
100
150
300 V
75
100
150
375 V
75
100
150
Baseplate
Blank: Slotted
1: Threaded
2: Through-hole
Shown actual size:
2.28 x 1.45 x 0.5 in
57,9 x 36,8 x 12,7 mm
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
FasTrak Mini E-Grade Family
Rev. 1.0
Page 2 of 8
Set your site on VICOR at www.vicorpower.com
Parameter
Min
Typ
Max
Surge Withstand
Unit
Notes
Input voltage
24 Vin
18
24
36
50
Vdc
<100 ms surge withstand
48 Vin
36
48
75
100
Vdc
300 Vin
180
300
375
400
Vdc
375 Vin
250
375
425
500
Vdc
Output voltage setpoint
1
%
Nominal input; full load; 25C
Parameter
Min
Typ
Max
Unit
Notes
Line regulation
0.5
%
Low line to high line; full load
Temperature regulation
0.005
% / C
Over operating temperature range
Power sharing accuracy
5
%
10 to 100% of full load
Programming range
10
110
%
Of nominal output voltage. For trimming below
90% of nominal, a minimum load of 10% of
maximum rated power may be required.
Parameter
24 Vin
48 Vin
300 Vin
375 Vin
Units
Notes
Undervoltage turn-on
17.5
34.9
175
243
Vdc
Typical value
Undervoltage turn-off
15.3
30.5
153
212
Vdc
Typical value
Overvoltage turn-off/on
37.8
78.8
N/A
446
Vdc
Typical value
MODULE OPERATING SPECIFICATIONS
MODULE INPUT SPECIFICATIONS
MODULE OUTPUT SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
Electrical characteristics apply over the full operating range of input voltage, output load (resistive) and baseplate temperature,
unless otherwise specified. All temperatures refer to the operating temperature at the center of the baseplate.
MODULE OUTPUT VOLTAGE RELATED SPECIFICATIONS
Note: For important information relative to applications where the converter modules are subject to continuous dynamic loading,
contact Vicor applications engineering at 800-927-9474.
Note: 300 Vin models do not have overvoltage turn-off.
Parameter
3.3V
5V
12V
15V
24V
28V
48V
Unit
Notes
Efficiency (typ.)
76.5
80.0
84.0
85.5
86.0
86.5
88.0
%
Nominal input; 80% load; 25C
Ripple and noise, p-p (typ.)
120
105
170
150
150
180
55
mV
Nominal input; full load;
25C; 20MHz BW
Output OVP setpoint (nom.)
4.3
6.3
14.3
17.8
28.1
32.7
55.7
Volts
25C; recycle input voltage to
restart ( 1 minute off )
Dissipation, standby (typ.)
3.4
4.4
5.0
7.0
4.9
4.6
4.0
Watts
No load; nominal input
Load regulation (max.)
0.4
0.4
0.2
0.2
0.2
0.3
0.2
% Vout
No load to full load; nominal input
Current limit (typ.)
115
115
115
115
115
115
115
% Iout
Output voltage 95% of nominal
Short circuit current (typ.)
115
115
115
115
115
115
115
% Iout.
Output voltage <250mV
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
FasTrak Mini E-Grade Family
Rev. 1.0
Page 3 of 8
Set your site on VICOR at www.vicorpower.com
ELECTRICAL CHARACTERISTICS, continued
Parameter
Min
Typ
Max
Unit
Notes
PRIMARY SIDE
(PC = Primary Control; PR = Parallel)
PC bias voltage
5.50
5.75
6.00
Vdc
PC current = 1.0 mA
current limit
1.5
2.1
3.0
mA
PC voltage = 5.5V
PC module disable
2.3
2.6
2.9
Vdc
Must be able to sink
4 mA. See Fig. 1
PC module enable delay
4
7
ms
PC module alarm
0.5
Vavg
UV, OV, OT, module fault. See Figs. 2 and 4
PR emitter amplitude
5.7
5.9
6.1
Volts
PR load >30 ohms, < 30 pF
PR emitter current
150
mA
PR receiver impedance
375
500
625
ohms
25C
PR receiver threshold
2.4
2.5
2.6
Volts
Minimum pulse width: 20ns
PR drive capability
12
modules
Without PR buffer amplifier
SECONDARY SIDE
(SC = Secondary Control)
SC bandgap voltage
1.21
1.23
1.25
Vdc
Referenced to Out
SC resistance
990
1000
1010
ohms
SC capacitance
0.033
F
SC module alarm
0
Vdc
With open trim; referenced to Out. See Fig. 6
Parameter
Min
Typ
Max
Unit
Notes
Isolation voltage (in to out)
3000
Vrms
Complies with reinforced insulation requirements
Isolation voltage (in to base)
1550
Vrms
Complies with basic insulation requirements
Isolation voltage (out to base)
500
Vrms
Complies with operational insulation requirements
Isolation resistance (in to out)
10
megohms
Weight
2.1 (60)
2.3(66)
ounces (grams)
Temperature limiting
100
115
C See Figs. 2 and 4
Agency approvals
cULus, TV, CE
UL60950, CSA0950, EN60950, IEC60950.
With a fuse in series with the +Input
MODULE CONTROL SPECIFICATIONS
MODULE GENERAL SPECIFICATIONS
Note:
Specifications are subject to change without notice.
The latest data sheets for individual models are available on the Vicor website at vicorpower.com.
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
FasTrak Mini E-Grade Family
Rev. 1.0
Page 4 of 8
Set your site on VICOR at www.vicorpower.com
CONTROL FUNCTIONS - PC PIN
Module Enable/Disable
The module may be disabled by pulling PC below 2.3V with
respect to the Input. This may be done with an open collector
transistor, relay, or optocoupler. Multiple converters may be
disabled with a single transistor or relay either directly or via
"OR'ing" diodes. See Figure 1.
Module Alarm
The module contains "watchdog" circuitry which monitors
input voltage, operating temperature and internal operating
parameters. In the event that any of these parameters are
outside of their allowable operating range, the module will shut
down and PC will go low. PC will periodically go high and the
module will check to see if the fault (as an example,
overtemperature) has cleared. If the fault has not been cleared,
PC will go low again and the cycle will restart. The SC pin will
go low in the event of a fault and return to its normal state after
the fault has been cleared. See Figures 2 and 4.
Disable
Disable = PC <2.3V
+In
PC
PR
In
Figure 1--Module enable/disable.
Figure 3--LED on-state indicator.
4k
"Module
Enabled"
+In
PC
PR
In
Optocoupler
+In
PC
PR
In
4k
Alarm
1.00V
+Out
SC
Out
Input Undervoltage
Input Overvoltage
Over Temperature
Module Faults
2-20ms typ.
f(V
IN
)
Auto
Restart
5.7Vdc
(0-3mA)
50
SW2
SW3
1.23
Vdc
6K
1K
SW1
SW1, 2, & 3 shown
in "Fault" position
+Out
SC
Out
+In
PC
PR
In
Figure 2--PC/SC module alarm logic.
Figure 5--Isolated on-state indicator.
2-20ms typ.
Fault
SC
PC
1.23V
5.7V
40
s typ.
Figure 4--PC/SC module alarm timing.
Figure 6--Secondary side on-state indicator.
Primary Auxiliary Supply
At 5.7V, PC can source up to 1.5mA. In the example shown in
Figure 3, PC powers a module enabled LED.
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
FasTrak Mini E-Grade Family
Rev. 1.0
Page 5 of 8
Set your site on VICOR at www.vicorpower.com
Output Voltage Programming
The output voltage of the converter can be adjusted or
programmed via fixed resistors, potentiometers or voltage
DACs. See Figures 7 and 8.
CONTROL FUNCTIONS - SC PIN
Figure 8--Output voltage trim up circuit.
Figure 7--Output voltage trim down circuit.
R
D
(ohms) =
1,000 Vout
Vnom - Vout
R
U
Trim Up
Load
Error
Amp
1k
1.23V
0.033
F
+Out
SC
Out
Load
R
D
Trim Down
Error
Amp
1k
1.23V
0.033
F
+Out
SC
Out
Trim Down
1. This converter is not a constant power device it has a
constant current limit. Hence, available output power is
reduced by the same percentage that output voltage is
trimmed down. Do not exceed maximum rated output current.
2. The trim down resistor must be connected to the Out pin.
Trim Up
1. The converter is rated for a maximum delivered power. To ensure
that maximum rated power is not exceeded, reduce maximum
output current by the same percentage increase in output voltage.
2. The trim up resistor must be connected to the +Out pin.
3. Do not trim the converter above maximum trim range
(typically +10%) or the output over voltage protection
circuitry may be activated.
R
U
(ohms) =
1,000 (Vout-1.23) Vnom
1,000
1.23 (Vout-Vnom)
Trim resistor values calculated automatically:
On-line calculators for trim resistor values are available
on the vicor website at: vicorpower.com/tools.html.
Resistor values can be calculated for fixed trim up, fixed
trim down and for variable trim up or down cases for both
1st and 2nd Generation DC-DC converters.
In addition to trimming information, the web site and the
Applications Manual also include design tips, applications
circuits, EMC suggestions, thermal design guidelines and
PDF data sheets for all available Vicor products.