VICOR V24C38C50BF3

Data Sheet
24V Input Micro Family
DC-DC Converter Module
Features
• RoHS Compliant (with F or G pin option)
• DC input range: 18 - 36 V
• Operation to 16 V at 75% power
•
•
•
•
•
•
•
•
•
•
•
after startup
Input surge withstand: 50 V for 100 ms
DC output: 3.3 – 48 V
Programmable output: 10 to 110%
Regulation: ±0.4% no load to full load
Efficiency: Up to 89%
Maximum operating temp: 100°C, full load
Power density: up to 60 W per cubic inch
Height above board: 0.43 in. (10,9 mm)
Parallelable, with N+M fault tolerance
Low noise ZCS/ZVS architecture
Isolated output
Shown actual size:
2.28 x 1.45 x 0.5 in
57,9 x 36,8 x 12,7 mm
Absolute Maximum Ratings
Parameter
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
provides high power density with low
noise and high efficiency.
Applications
Industrial and process control, distributed
power, medical, ATE, communications,
defense, aerospace
Rating
Unit
+In to -In voltage
-0.5 to +53
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
Notes
Isolation voltage
in to out
3000
Vrms
Test voltage
in to base
1500
Vrms
Test voltage
Test voltage
500
Vrms
Operating Temperature
out to base
-55 to +100
°C
Storage Temperature
-65 to +125
°C
500 (260)
°F (°C)
<5 sec; wave solder
750 (390)
°F (°C)
<7 sec; hand solder
5 (0.57)
in-lbs (N-m)
Pin soldering temperature
Mounting torque
M-Grade
M-Grade
6 each
Part Numbering
e.g. V24C12T100BL2
V24C
Output Voltage
3V 3
5
8
12
15
24
28
36
48
=
=
=
=
=
=
=
=
=
3.3 V
5V
8V
12 V
15 V
24 V
28 V
36 V
48 V
Vicor Corp.
Product Grade Temperatures (°C)
Grade Operating
Storage
E = - 10 to +100 - 20 to +125
C = - 20 to +100 - 40 to +125
T = - 40 to +100 - 40 to +125
H = - 40 to +100 - 55 to +125
M = - 55 to +100 - 65 to +125
B
Output Power
Vout
Pout
3.3 V
75 W, 50 W
5V
100 W, 50 W
8V
100 W
12 V
100 W, 50 W
15 V
100 W, 50 W
24 V
100 W, 50 W
28 V
100 W, 50 W
36 V
100 W, 50 W
48 V
100 W, 50 W
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
Pin Style
Blank: Short Tin/Lead
L: Long Tin/Lead
S: Short ModuMate
N: Long ModuMate
F: Short RoHS
G: Long RoHS
Baseplate
Blank: Slotted
2: Threaded
3: Through-hole
24V Micro Family
Set your site on VICOR at vicorpower.com
For a description of pin
options, see page 11.
Baseplate options include
slotted flanges, threaded
and through-hole.
See page 12 for dimensions.
For other package sizes and
power levels, see the Mini
(half size) and Maxi (full
size) datasheets.
Rev. 4.7
Page 1 of 13
MODULE FAMILY 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 INPUT SPECIFICATIONS
Parameter
Min
Typ
Max
Unit
Operating input voltage
18
24
36
Vdc
50
Vdc
17.9
Vdc
Input surge withstand
Undervoltage turn-on
17.5
Undervoltage turn-off
14.8
15.3
Overvoltage turn-off/on
36.3
37.8
Notes
<100 ms
Modules will operate to 16 Vin after startup at >17.9 V.
Below 18 V, available power is reduced to 75% of max
rating.
Vdc
39.6
Vdc
4.0
mA
PC pin low
Max
Unit
Notes
±1
% Vout nom.
Nominal input; full load; 25°C
Low line to high line; full load
Disabled input current
MODULE OUTPUT SPECIFICATIONS
Parameter
Min
Typ
Output voltage setpoint
Line regulation
±0.02
±0.20
%
Temperature regulation
±0.002
±0.005
% / °C
Power sharing accuracy
±2
±5
%
10 to 100% of full load
%
Of nominal output voltage. For trimming below 90%
of nominal, a minimum load of 10% of maximum
rated power may be required.
10
Programming range
110
+Out to –Out — Absolute Maximum Ratings
3.3 V
5V
8V
12 V
15 V
24 V
28 V
36 V
48 V
-0.5 to 4.7
-0.5 to 7.0
-0.5 to 10.9
-0.5 to 16.1
-0.5 to 20.0
-0.5 to 31.7
-0.5 to 36.9
-0.5 to 47.1
-0.5 to 62.9
Over operating temperature range
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Externally applied
Externally applied
Externally applied
Externally applied
Externally applied
Externally applied
Externally applied
Externally applied
Externally applied
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.
Thermal Resistance and Capacity
Parameter
Min
Typ
Max
Unit
Baseplate to sink; flat, greased surface
0.24
°C/Watt
Baseplate to sink; thermal pad (P/N 20265)
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
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
24V Micro Family
Set your site on VICOR at vicorpower.com
Rev. 4.7
Page 2 of 13
MODULE FAMILY ELECTRICAL CHARACTERISTICS (CONT.)
MODULE CONTROL SPECIFICATIONS
Parameter
Min
Typ
Max
Unit
Notes
PRIMARY SIDE (PC = Primary Control; PR = Parallel)
PC bias voltage
current limit
5.50
1.5
5.75
2.1
6.00
3.0
Vdc
mA
PC current = 1.0 mA
PC voltage = 5.5 V
PC module disable
2.3
2.6
2.9
Vdc
Must be able to sink ≥4 mA. See Fig. 1
4
7
ms
0.5
Vavg
UV, OV, OT, module fault. See Figs. 2 and 4
PC module enable delay
PC module alarm
PC resistance
0.9
1.0
1.1
MΩ
See Fig. 2
PR emitter amplitude
5.7
5.9
6.1
Volts
PR load >30 Ω, < 30 pF
PR emitter current
150
PR receiver impedance
375
500
625
Ω
PR receiver threshold
2.4
2.5
2.6
Volts
Minimum pulse width: 20 ns
12
modules
Without PR buffer amplifier
mA
PR drive capability
25°C
SECONDARY SIDE (SC = Secondary Control)
SC bandgap voltage
1.21
1.23
1.25
Vdc
SC resistance
990
1000
1010
Ω
SC capacitance
SC module alarm
0.033
µF
0
Vdc
Referenced to –Out
With open trim; referenced to –Out. See Fig. 6
MODULE GENERAL SPECIFICATIONS
Parameter
Min
Unit
Notes
Isolation voltage (in to out)
3000
Vrms
Complies with reinforced insulation requirements
Isolation voltage (in to base)
1500
Vrms
Complies with basic insulation requirements
Isolation voltage (out to base)
500
Vrms
Complies with operational insulation requirements
Isolation resistance (in to out)
Weight
Temperature limiting
Agency approvals
Typ
Max
10
2.1
(58.7)
2.3
(65.2)
100
115
MΩ
2.5
(71.7)
cURus, TÜV, CE
ounces
(grams)
°C
See Figs. 2 and 4
UL60950-1, CSA0950-1, EN60950-1, IEC60950-1
With appropriate fuse in series with the +Input
Note:
Specifications are subject to change without notice.
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
24V Micro Family
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Rev. 4.7
Page 3 of 13
MODULE SPECIFIC OPERATING SPECIFICATIONS
3.3 Vout, 75 W (e.g. V24C3V3C75BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
78
4.14
0
23.1
15.8
Typ
79
140
4.3
4
±0.02
26.1
26.1
Max
175
4.46
6
±0.4
22.72
30.7
30.7
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage < 250 mV
3.3 Vout, 50 W (e.g. V24C3V3C50BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
75
4.14
0
15.5
10.6
Typ
79.2
240
4.3
1.6
±0.02
17.5
17.5
Max
300
4.46
3
±0.2
15.15
20.6
20.6
Output voltage 95% of nominal
Output voltage <250 mV
5 Vout, 100 W (e.g. V24C5C100BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
83
6.03
0
20.4
2
Typ
84
100
6.25
3.2
±0.02
23
23
Max
125
6.47
4.8
±0.2
20
27
27
Output voltage 95% of nominal
Output voltage < 250 mV
5 Vout, 50 W (e.g. V24C5C50BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
83
6.03
0
10.2
2
Typ
84.5
80
6.25
1.3
±0.02
11.5
11.5
Max
100
6.47
2.1
±0.2
10
13.5
13.5
Output voltage 95% of nominal
Output voltage < 250mV
8 Vout, 100 W (e.g. V24C8C100BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Vicor Corp.
Min
84.3
9.36
0
12.7
8.75
Typ
86
145
9.7
3
±0.02
14.4
14.4
Max
182
10.1
3.4
±0.2
12.5
16.9
16.9
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
Output voltage 95% of nominal
Output voltage <250 mV
24V Micro Family
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Rev. 4.7
Page 4 of 13
MODULE SPECIFIC OPERATING SPECIFICATIONS (CONT.)
12 Vout, 100 W (e.g. V24C12C100BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
83.8
13.7
0
8.5
1.09
Typ
85.8
209
14.3
4.4
±0.02
9.59
9.59
Max
262
14.9
6.1
±0.2
8.33
10.9
10.9
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage < 250 mV
12 Vout, 50 W (e.g. V24C12C50BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
87
13.7
0
4.25
2.91
Typ
88.1
80
14.3
1.8
±0.02
4.8
4.8
Max
100
14.9
2.6
±0.2
4.17
5.63
5.63
Output voltage 95% of nominal
Output voltage < 250mV
15 Vout, 100 W (e.g. V24C15C100BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
88
17.1
0
6.8
4.66
Typ
89
100
17.8
4.6
±0.02
7.67
7.67
Max
125
18.5
7
±0.2
6.67
8.67
8.67
Output voltage 95% of nominal
Output voltage < 250 mV
15 Vout, 50 W (e.g. V24C15C50BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
87.5
17.1
0
3.39
2.33
Typ
88.5
160
17.8
1.8
±0.02
3.83
3.83
Max
200
18.5
2.6
±0.2
3.33
4.5
4.5
Output voltage 95% of nominal
Output voltage < 250mV
24 Vout, 100 W (e.g. V24C24C100BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Vicor Corp.
Min
87
27.1
0
4.25
2.91
Typ
88
70
28.1
3.6
±0.02
4.8
4.8
Max
88
29.1
5.4
±0.2
4.17
5.67
5.42
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
Output voltage 95% of nominal
Output voltage <250 mV
24V Micro Family
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Rev. 4.7
Page 5 of 13
MODULE SPECIFIC OPERATING SPECIFICATIONS (CONT.)
24 Vout, 50 W (e.g. V24C24C50BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
87
27.1
0
2.12
1.45
Typ
88.6
80
28.1
2
±0.02
2.39
2.39
Max
100
29.1
3
±0.2
2.08
2.81
2.81
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage < 250mV
28 Vout, 100 W (e.g. V24C28C100BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
88
31.5
0
3.64
0.5
Typ
89
85
32.7
3.3
±0.02
4.12
4.12
Max
107
33.9
5
±0.2
3.57
5
5
Output voltage 95% of nominal
Output voltage < 250 mV
28 Vout, 50 W (e.g. V24C28C50BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
87.5
31.5
0
1.82
1.25
Typ
89
80
32.7
1.8
±0.02
2.06
2.06
Max
100
33.9
2.7
±0.2
1.78
2.42
2.42
Output voltage 95% of nominal
Output voltage < 250mV
36 Vout, 100 W (e.g. V24C36C100BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
86
40.4
0
2.83
1.94
Typ
87.1
32
41.9
3.7
±0.02
3.2
3.2
Max
40
43.4
4.3
±0.2
2.78
3.76
3.76
Output voltage 95% of nominal
Output voltage <250 mV
36 Vout, 50 W (e.g. V24C36C50BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Vicor Corp.
Min
84
40.4
0
1.41
0.97
Typ
84.9
27
41.9
1.8
±0.02
1.6
1.6
Max
34
43.4
2.3
±0.2
1.39
1.88
1.88
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
Output voltage 95% of nominal
Output voltage <250 mV
24V Micro Family
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Rev. 4.7
Page 6 of 13
MODULE SPECIFIC OPERATING SPECIFICATIONS (CONT.)
48 Vout, 100 W (e.g. V24C48C100BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
86.2
53.7
0
2.12
1.46
Typ
87.7
100
55.7
3
±0.02
2.4
2.4
Max
125
57.7
5
±0.2
2.08
2.81
2.81
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage < 250 mV
48 Vout, 50 W (e.g. V24C48C50BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Vicor Corp.
Min
86
53.7
0
1.06
0.72
Typ
87.2
120
55.7
2.1
±0.02
1.2
1.2
Max
150
57.7
3
±0.2
1.04
1.41
1.41
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
Output voltage 95% of nominal
Output voltage < 250mV
24V Micro Family
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Rev. 4.7
Page 7 of 13
CONTROL FUNCTIONS - PC PIN
Module Enable/Disable
Module Alarm
The module may be disabled by pulling PC below 2.3 V 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.
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.
Primary Auxiliary Supply
At 5.7 V, PC can source up to 1.5 mA. In the example shown
in Figure 3, PC powers a module enabled LED.
+In
Disable
PC
PC
PR
PR
[a]
Figure 1 — Module enable/disable.
SW1
50 Ω
SW3
SW2
5.7 Vdc
(0-3 mA)
SC
1K
6K
1.23
Vdc
–IN
–In
+OUT
Auto
Restart
2-20 ms typ.
f(VIN)
1M
Disable = PC <2.3V
Input Undervoltage
Input Overvoltage [a]
Over Temperature
Module Faults
+IN
SW1, 2, & 3 shown
in "Fault" position
–OUT
Not applicable for 300 Vdc Input family
Figure 2 — PC/SC module alarm logic.
+In
PC
Fault
PC
40μs typ.
5.7V
4kΩ
"Module
Enabled"
PR
–In
1.23V
2-20ms typ.
Figure 4 — PC/SC module alarm timing.
Figure 3 — LED on-state indicator.
+In
Optocoupler
SC
+OUT
Comparator
PC
SC
4kΩ
–In
Figure 5 — Isolated on-state indicator.
Vicor Corp.
Alarm
PR
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
–OUT
1.00 V
Figure 6 — Secondary side on-state indicator.
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Rev. 4.7
Page 8 of 13
CONTROL FUNCTIONS - SC PIN
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.
+OUT
+OUT
RU
Trim Up
Error
Amp
SC
Load
RD
Trim Down
0.033 μF
1 kΩ
Error
Amp
SC
1 kΩ
0.033 μF
–OUT
–OUT
1.23 V
RD (ohms) =
Load
1.23 V
1,000 Vout
Vnom – Vout
RU (ohms) = 1,000 (Vout –1.23) Vnom – 1,000
1.23 (Vout – Vnom)
Figure 7 — Output voltage trim down circuit.
Figure 8 — Output voltage trim up circuit.
Trim Down
Trim Up
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.
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 down resistor must be connected to the –Out pin
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.
Trim resistor values calculated automatically:
On-line calculators for trim resistor values are available
on the vicor website at: vicorpower.com/tools.
Resistor values can be calculated for fixed trim up,
fixed trim down and for variable trim up or down.
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.
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
24V Micro Family
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Rev. 4.7
Page 9 of 13
CONTROL FUNCTIONS - PR PIN
Parallel Operation
+Out
+In
The PR pin supports paralleling for increased power with N+1
(N+M) redundancy and phased array capability. Modules of
the same input voltage, output voltage, and power level will
current share if all PR pins are suitably interfaced.
PC
Module 1
SC
PR
–Out
–In
Compatible interface architectures include the following:
DC coupled single-wire interface. All PR pins are directly
connected to one another. This interface supports current
sharing but is not fault tolerant. Negative In pins must be tied
to the same electric potential. Up to three converters may be
paralleled by this method. See Figure 9.
AC coupled single-wire interface. All PR pins are connected
to a single communication bus through 0.001 μF (500 V)
capacitors. This interface supports current sharing and is fault
tolerant except for the communication bus. Up to three
converters may be paralleled by this method. See Figure 10.
Transformer coupled interface. For paralleling four or more
converters a transformer coupled interface is required. For
details on this configuration please refer to the design guide
referenced in the following technical information section.
+Out
+In
PC
PR
Module 2
(up to 12)
–Out
–In
Ground plane
Figure 9 — DC coupled single-wire interface.
+Out
+In
0.001µF
PC
Module 1
SC
PR
–Out
–In
0.001µF
PR
Technical Information
+Out
+In
PC
Module 2
(up to 12)
SC
–Out
–In
For additional technical information contained in the Design
Guide and Applications Manual for Maxi, Mini, Micro Family
DC-DC Converters and Accessory Modules, click on the link
below:
SC
Ground plane
Figure 10 — AC coupled single-wire interface.
http://www.vicorpower.com/mmmguide
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
24V Micro Family
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Rev. 4.7
Page 10 of 13
CONTROL FUNCTIONS - PR PIN (CONT.)
+S
R7 21.0 k
R1
SC
PS2701
• At the discretion of the
power system designer,
a subset of all modules
within an array may be
configured as slaves by
shorting SC to –Out.
L
O
A
D
–OUT
+OUT
Module #3
trimmed
down 4 %
• Do not use output
OR’ing diodes with
MicroMods.
SC
–OUT
U1
R2
SC
+OUT
Module #2
trimmed
down 2 %
Ground
Plane
Figure 11 — N+1 module array output connections.
C3
R4
R3
2.55 k
U2
R5
1.00 k TLV431
R6
C1
1.65 k 470 pF
R11
36.5 k
C2
0.22 µF
R9
R8
4.02 k
Vcc
+
–OUT
+Out
–
SC
200 mV
U3
LM10 Gnd
+
• The +Out and –Out
power buses should be
designed to minimize
and balance parasitic
impedance from each
module output to the
load.
Plane
R Load
–
+OUT
Module #1
Designated
Master
R10
1.24 k
–S
–Out
See Component Selection section below.
• This module is designed for point of load regulation, where remote sensing
is not required. Active voltage drop compensator, as shown here, may be
used in applications with significant distribution losses.
Please consult with the Micro Family Isolated Remote Sense Application Note
for additional information.
Figure 12 — Voltage drop compensation.
PIN STYLES*
Designator
Description
Notes
(None)
Short Tin/Lead
Requires in-board, mounting
L
Long Tin/Lead
On-board mounting for 0.065" boards
S
Short ModuMate
SurfMate or in-board socket mounting
N
Long ModuMate
On-board socket mounting
F
Short RoHS
Select for RoHS compliant in-board solder, socket, or SurfMate mounting
G
Long RoHS
Select for RoHS compliant on-board solder or socket mounting
* Pin style designator follows the “B” after the output power and precedes the baseplate designator.
Ex. V24C12T100BN2 — Long ModuMate Pins
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Rev. 4.7
Page 11 of 13
MECHANICAL DRAWINGS
Converter Pins
No. Function Label
1
+In
+
Primary
2
PC
Control
3
Parallel
PR
4
–In
–
5
–Out
–
6
7
Secondary
Control
+Out
SC
+
Figure 13 — Module outline
ALL MARKINGS
THIS SURFACE
0.062 ±0.010
PCB THICKNESS
1,57 ±0,25
0.800*
INBOARD
SOLDER
MOUNT
ONBOARD
SOLDER
MOUNT
SHORT PIN STYLE
0.094 ±0.003
2,39 ±0,08
LONG PIN STYLE
0.094 ±0.003
2,39 ±0,08
20,32
0.525*
13,34
PLATED
THRU HOLE
DIA
0.275*
6,99
0.145*
3,68
2
3
4
1.734**
44,04
2.000*
50,80
7
6
.400*
10,16
1.090**
27,69
FOR SOLDERING METHODS AND PROCEDURES PLEASE REFER TO THE MAXI, MINI,
MICRO DESIGN GUIDE.
5
0.06
(4X)
1,5
*DENOTES TOL = ±0.003
±0,08
ALUMINUM
BASEPLATE
PINS STYLES
SOLDER:TIN/LEAD
HOT SOLDER DIPPED
MODUMATE: GOLD PLATED COPPER
RoHS: GOLD PLATED COPPER
0.133
3,38
1
R
(7X)
0.43
10,9
Unless otherwise specified,
dimensions are in inches
mm
0.53
13,5
Decimals
**PCB WINDOW
Tol.
0.XX
±0.01
0.XXX
±0.005
±0.25
Angles
±1°
±0.127
Figure 14 — PCB mounting specifications
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
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Rev. 4.7
Page 12 of 13
Warranty
Vicor products are guaranteed for two years from date of shipment against defects in material or workmanship when in normal
use and service. This warranty does not extend to products subjected to misuse, accident, or improper application or maintenance. Vicor shall not be liable for collateral or consequential damage. This warranty is extended to the original purchaser only.
EXCEPT FOR THE FOREGOING EXPRESS WARRANTY, VICOR MAKES NO WARRANTY, EXPRESS OR IMPLIED,
INCLUDING, BUT NOT LIMITED TO, THE WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
Vicor will repair or replace defective products in accordance with its own best judgement. For service under this warranty, the
buyer must contact Vicor to obtain a Return Material Authorization (RMA) number and shipping instructions. Products
returned without prior authorization will be returned to the buyer. The buyer will pay all charges incurred in returning the product to the factory. Vicor will pay all reshipment charges if the product was defective within the terms of this warranty.
Information published by Vicor has been carefully checked and is believed to be accurate; however, no responsibility is
assumed for inaccuracies. Vicor reserves the right to make changes to any products without further notice to improve reliability,
function, or design. Vicor does not assume any liability arising out of the application or use of any product or circuit; neither
does it convey any license under its patent rights nor the rights of others. Vicor general policy does not recommend the use of
its components in life support applications wherein a failure or malfunction may directly threaten life or injury. Per Vicor
Terms and Conditions of Sale, the user of Vicor components in life support applications assumes all risks of such use and
indemnifies Vicor against all damages.
Vicor’s comprehensive line of power solutions includes high density AC-DC
and DC-DC modules and accessory components, fully configurable AC-DC
and DC-DC power supplies, and complete custom power systems.
Information furnished by Vicor is believed to be accurate and reliable. However, no responsibility is assumed by Vicor for its
use. Vicor components are not designed to be used in applications, such as life support systems, wherein a failure or malfunction could result in injury or death. All sales are subject to Vicor’s Terms and Conditions of Sale, which are available upon
request.
Specifications are subject to change without notice.
Intellectual Property Notice
Vicor and its subsidiaries own Intellectual Property (including issued U.S. and Foreign Patents and pending patent
applications) relating to the products described in this data sheet. Interested parties should contact Vicor's Intellectual
Property Department.
Vicor Corporation
25 Frontage Road
Andover, MA, USA 01810
Tel: 800-735-6200
Fax: 978-475-6715
email
Customer Service: [email protected]
Technical Support: [email protected]
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
24V Micro Family
Set your site on VICOR at vicorpower.com
Rev. 4.7
6/09