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Product: www.cdpowerelectronics.com
VKP100xT
100 Watt Triple Output Half Brick DC/DC Converter
18 - 40 & 33 - 75V Input Range
2.3" X 2.4" X 0.5"
User Configurable as a Single,
Dual or Triple Output
Each Channel Independently
Current Limited
Excellent Cross Regulation
500V
DC
Channel to Channel
Isolation
High Efficiency: 88% Typical
Fixed-Frequency Operation
Operation to +100°C Baseplate
Temperature
50
µ
S Transient Recovery, 0-90%
Load Step
Primary & Secondary Remote
On/Off
Adjustable Output Voltage
External Synchronization
VKP100MT Series are Approved
to UL/CUL1950, EN 60950
The VKP100xT Series are members
of the VK high density DC/DC
converter family. They are multiple
output DC/DC converters offered in a
33-75 input voltage range. Their
versatile architecture featuring fully
isolated channels enables the system
designer to utilize the converter in
either a single, dual or triple output
scheme without excessive minimum
load requirements or cross regulation
degradation.
The VKP100xT's architecture
results in an economical and practical
solution for use in distributed power
schemes for today's demanding
telecommunication and electronic
data processing applications requiring
ground separation between noise
sensitive digital logic and bipolar
analog components. The VKP100xT's
proprietary control circuity responds
to 50-100% load steps in 35µSeconds
to within 1% of nominal Vout. The
peak deviation will not exceed 10%
of Vout for pulsed load slew rates in
excess of 75 Amps per microsecond.
The VKP100xT is ideal for electronic
data processing applications utilizing
modern disk drives and low voltage
microprocessors that require dynamic
load current response while maintain-
ing tight output voltage tolerances.
PRODUCT SELECTION CHART
INPUT
VOLTAGE
MODEL
VKP100MT312
VKP100MT315
VKP100MT512
VKP100MT515
(V
DC
)
48 (33-75)
48 (33-75)
48 (33-75)
48 (33-75)
V1 (±)
3.3
3.3
5.1
5.0
RATED V
OUT
(V
DC
)
V2 (±)
12
15
12
15
V3 (±)
12
15
12
15
RATED MAXIMUM I
OUT
(A)
V1(±)
30
30
20
20
V2(±)
4.2
3.4
4.2
2.0
V3(±)
4.2
3.4
4.2
2.0
SPECIFICATIONS, ALL MODELS
Specifications are at T
CASE
= +40°C nominal input voltage unless otherwise specified.
PARAMETER
Input Fusing
CONDITIONS
MIN
33
TYP
48
60
MAX
10
75
370
UNITS
A
V
DC
mA
dB
A
W
mC
mA
mA
INPUT
Voltage Range
Reflected Ripple Current
Input Ripple Rejection
Maximum Input Current
No Load Power Dissipation
Inrush Charge
Quiescent Operating Current
Primary On/Off Disabled
Secondary On/Off Disabled
Peak - Peak
DC to 1KHz
Output Power = 100W
V
IN
= 30V
P
OUT
= 0, V
IN, Min
<V
IN
<V
IN, Max
50
5
6
0.247
7.5
15
10
20
PARAMETER
ISOLATION
Input to Each Output
Input to Baseplate
Channel to Channel
Resistance, Input - Output
Capacitance, Input - Output
Leakage Current
GENERAL
Set Point Accuracy
Turn-on Time
Remote On/Off Control Inputs
Primary
Sink Current-Logic Low
Vlow
Vhigh
Secondary
Sink Current-Logic Low
Vlow
Vhigh
External Synchronization Input
Frequency
Pulse Width
Source Impedence
Input High Voltage
Input Low Voltage
Input Impedance
Switching Frequency
Weight
TEMPERATURE
Operation/Specification
Storage
Shutdown
Thermal Inpedance
CONDITIONS
Peak Test
Any Channel to Any Channel
MIN
1500
1500
500
10
TYP
MAX
UNITS
V
DC
V
DC
V
DC
MΩ
pF
µA,
rms
V
ISO
= 240V
AC
, 60Hz
V
IN
= Nominal, 50% Load
Within 1% of Nominal V
OUT
Open Collector/Drain
V
IN
= V
MAX
2000
180
1
5
3.5
%
mSec
GENERAL
7
0.8
Open Collector
100
0.4
Open Collector
440
150
4
0
470
470
480
520
320
47
5
1
490
3 (85)
+100
+125
+115
8.2
mA
V
Open Collector/Drain
µA
V
KHz
nSec
Ω
V
V
Ω
KHz
oz (g)
°C
°C
°C
°C/W
Case Temperature
-40
-55
+100
Case to Ambient
PARAMETER
Output Power
CONDITIONS
Total Combined O/P Power =
100 Watts Max
I
O Nom
V1
Min
Nom
50
3.3
15
100
.02
Max
100
30.0
200
3.80
.05
0.10
1.00
0
Min
V2
Nom
25
12.2
2.1
150
.02
Max
50
4.2
0
500
Dependent on V1
.05
Min
V3
Nom
25
12.2
2.1
150
.02
Max
50
4.2
500
.05
UNITS
W
V
A
mV
V
%/°C
%
%
A
A
mV
µSec
V
%
VKP100MT312 OUTPUT
Set Point Voltage
Output Current, I
OUT
Output Ripple, p-p
Output Adjust Range
Output Temperature Drift
Line Regulation
Load Regulation
Current Limit Inception
Short-Circuit Current
Transient Response
Peak Deviation
Settling Time
Overvoltage Limit
Efficiency
0.5
DC to 20MHz
*
*
V
IN, Min
≤V
IN
≤V
IN, Max
I
O
= I
O, Nom
Min Load to Rated Load
Other Outputs Min Load
50 to 100% Load Step
V
OUT
, 1% of V
OUT
,
Nom
I
OUT1
=15A, (I
OUT2
+I
OUT3
)= 4.2A
F.L. V
IN
=Nominal
3.15
0.05
0.50
38
30
150
35
4.2
85
86
1.0
2.0
See Regulation Curves
6.0
5.0
1.0
2.0
See Regulation Curves
6.0
5.0
38
250
50
5.0
6.0
6.0
*
See Application Notes available on the web at www.cdpowerelectronics.com
Product: www.cdpowerelectronics.com
VKP100xT
REV D
12/2001
2
SPECIFICATIONS, ALL MODELS
Specifications are at T
CASE
= +40°C nominal input voltage unless otherwise specified.
PARAMETER
Output Power
CONDITIONS
Total Combined O/P Power =
100 Watts Maximum
I
O Nom
V1
Min
Nom
50
3.3
15
100
.02
Max
100
30.0
200
3.80
.05
0.10
1.0
38
250
50
5.0
0
Min
V2
Nom
25
15.85
1.66
125
.02
Max
50
3.33
0
500
Dependent on V1
.05
Min
V3
Nom
25
15.85
1.66
125
.02
Max
50
3.33
500
.05
UNITS
W
V
A
mV
V
%/°C
%
%
A
A
mV
µSec
V
%
VKP100MT315 OUTPUT
Set Point Voltage
Output Current, I
OUT
Output Ripple, p-p
Output Adjust Range
Output Temperature Drift
Line Regulation
Load Regulation
Current Limit Inception
Short-Circuit Current
Transient Response
Peak Deviation
Settling Time
Overvoltage Limit
Efficiency
0.5
DC to 20MHz*
*
V
IN, Min
≤V
IN
≤V
IN, Max
I
O
= I
O, Nom
Min Load to Rated Load
Other Outputs Min Load
50 to 100% Load Step
V
OUT
, 1% of V
OUT, Nom
I
OUT1
=15A, (I
OUT2
+I
OUT3
) = 3.4A
F.L. V
IN
=Nominal
4.2
85
3.15
0.05
0.50
38
30
150
35
86
1.0
2.0
See Regulation Curves
5.0
4.0
5.0
1.0
2.0
See Regulation Curves
5.0
4.0
5.0
PARAMETER
Output Power
Set Point Voltage
Output Current, I
OUT
Output Ripple, p-p
Output Adjust Range
Output Temperature Drift
Line Regulation
Load Regulation
Current Limit Inception
Short-Circuit Current
Transient Response
Peak Deviation
Settling Time
Overvoltage Limit
Efficiency
CONDITIONS
Total Combined O/P Power =
100 Watts Combined
I
O Nom
V1
Min
Nom
50
0.5
5.1
10
100
4.75
.02
Max
100
20
150
5.50
.05
0.10
1.0
26.0
300
50
7.0
0
Min
V2
Nom
25
12
2.1
150
.02
1.0
Max
50
4.2
0
Min
V3
Nom
25
12
2.1
150
.02
1.0
Max
50
4.2
500
.05
2.0
UNITS
W
V
A
mV
V
%/°C
%
%
A
A
mV
µSec
V
%
VKP100MT512 OUTPUT
DC to 20MHz*
*
V
IN, Min
≤V
IN
≤V
IN, Max
I
O
= I
O, Nom
Min Load to Rated Load
Other Outputs Min Load
50 to 100% Load Step
500
Dependent on V1
.05
2.0
0.05
0.50
26.0
20.0
200
See Regulation Curves
6.0
5.0
6.0
See Regulation Curves
6.0
5.0
6.0
V
OUT
, 1% of V
OUT, Nom
I
OUT1
=10A, (I
OUT2
+I
OUT3
) = 4.2A
F.L. V
IN
=Nominal
6.0
86
35
87
PARAMETER
Output Power
Set Point Voltage
Output Current, I
OUT
Output Ripple, p-p
Output Adjust Range
Output Temperature Drift
Line Regulation
Load Regulation
Current Limit Inception
Short-Circuit Current
Transient Response
Peak Deviation
Settling Time
Overvoltage Limit
Efficiency
CONDITIONS
Total Combined O/P Power =
100 Watts Max
I
O Nom
V1
Min
Nom
50
0.5
5.0
10
100
4.60
.02
Max
100
20
150
5.50
.05
1.0
1.0
26.0
300
50
7.0
0
Min
V2
Nom
25
15.3
1.66
125
.02
Max
50
3.33
0
Min
V3
Nom
25
15.3
1.66
125
.02
Max
50
3.33
500
.05
UNITS
W
V
A
mV
V
%/°C
%
%
A
A
mV
µSec
V
%
VKP100MT515 OUTPUT
DC to 20MHz*
*
V
IN, Min
≤V
IN
≤V
IN, Max
I
O
= I
O, Nom
Min Load to Rated Load
Other Outputs Min Load
50 to 100% Load Step
500
Dependent on V1
.05
0.05
0.05
26.0
20.0
200
1.0
2.0
See Regulation Curves
5.0
4.0
5.0
1.0
2.0
See Regulation Curves
5.0
4.0
5.0
V
OUT
, 1% of V
OUT, Nom
I
OUT1
=10A, (I
OUT2
+I
OUT3
) = 4.2A
F.L. V
IN
=Nominal
6.0
86
35
87
*
See Application Notes available on the web at www.cdpowerelectronics.com
Product: www.cdpowerelectronics.com
VKP100xT
REV D
12/2001
3
TYPICAL PERFORMANCE CURVES
Specifications are at T
CASE
= +40°C nominal input voltage, nominal load, recommended external components
applied, unless otherwise specified. (Refer to Application Note DCAN-9 at www.cdpowerelectronics.com)
EFFICIENCY vs TEMPERATURE
T
CASE
= +40°C, nominal input voltage, nominal load, recommended external
components applied, unless otherwise specified.*
Change in Efficiency (%)
ABSOLUTE MAX.
RATINGS
Output Short-Circuit
Duration
Baseplate Temperature
Continuous
+100°C
Lead Temperature
(soldering, 10 seconds max) +300°C
Storage Temperature
Input to Output Isolation
+125°C
1500 V
DC
Case Temperature (°C)
VKP100
Device Family
Indicates 100 Watt Regulated Unit
Model Number
Selected from Table of Electrical Characteristics
Where:
X = Input Voltage (M = 48VDC)
T = Number of Outputs (Triple ‘T’)
y = 3 for 3.3V, 5 for 5V
yz = 12 for 12V, 15 for 15V
Lead Length
0.250" - No Number
0.145" - (6)
0.110" - (8)
MTyz -
L
ORDERING
INFORMATION
Product: www.cdpowerelectronics.com
VKP100xT
REV D
12/2001
4
TYPICAL PERFORMANCE CURVES
Specifications are at T
CASE
= +40°C nominal input voltage, nominal load, recommended external components
applied, unless otherwise specified. (Refer to Application Note DCAN-9 at www.cdpowerelectronics.com)
FULL LOAD EFFICIENCY
vs LOAD DISTRIBUTION
VIN = MIN.
VIN = NOM.
VIN = MAX.
EFFICIENCY vs OUTPUT LOAD
90
90
LOAD REGULATION
20
VIN = MIN
Output Voltage (V)
85
Efficiency (%)
Efficiency (%)
85
VIN = MAX
15
12.2
11.0
14.0
VKP100xT312
80
80
10
75
75
5
3.3V
70
0.50/0
3.0/0.8 6.0/1.7 9.0/2.5 1 2 / 3 . 3
Iout
1
/(Iout
2
+ Iout
3
)(A)
15/4.2
70
0.5/8.4
15/4.2
Iout
1
/(Iout
2
+ Iout
3
)(A)
30/0
0
0.5/8.4
15/4.2
Iout
1
/(Iout
2
+ Iout
3
)(A)
30/0
EFFICIENCY vs OUTPUT LOAD
90
VIN = MIN.
VIN = NOM.
VIN = MAX.
FULL LOAD EFFICIENCY
vs LOAD DISTRIBUTION
90
VIN = MIN
LOAD REGULATION
20
18
15.9
85
Efficiency (%)
85
Efficiency (%)
VIN = MAX
Output Voltage (V)
15
14.5
VKP100xT315
80
80
10
75
75
5
3.3V
70
0.50/0
3.0/0.7 6.0/1.4 9.0/2.0 12/2.9
Iout
1
/(Iout
2
+ Iout
3
)(A)
15/3.4
70
0.5/6.8
15/3.4
Iout
1
/(Iout
2
+ Iout
3
)(A)
30/0
0
0.5/6.8
15/3.4
Iout
1
/(Iout
2
+ Iout
3
)(A)
30/0
EFFICIENCY vs OUTPUT LOAD
90
VIN = MIN.
VIN = NOM.
VIN = MAX.
FULL LOAD EFFICIENCY
vs LOAD DISTRIBUTION
90
VIN = MIN
VIN = MAX
LOAD REGULATION
20
85
Efficiency (%)
Efficiency (%)
85
Output Voltage (V)
15
13.2
10.5
VKP100xT512
80
80
10
12.0
75
75
5.1
70
0.50/0
2.0/0.8 4.0/1.7 6.0/2.5 8.0/3.3
Iout
1
/(Iout
2
+ Iout
3
)(A)
10/4.2
70
0.5/8.4
10/4.2
Iout
1
/(Iout
2
+ Iout
3
)(A)
20/0
0
0.5/8.4
10/4.2
Iout
1
/(Iout
2
+ Iout
3
)(A)
20/0
EFFICIENCY vs OUTPUT LOAD
90
VIN = MIN.
VIN = NOM.
VIN = MAX.
FULL LOAD EFFICIENCY
vs LOAD DISTRIBUTION
90
VIN = MAX
VIN = MIN
LOAD REGULATION
20
16.7
85
Efficiency (%)
Efficiency (%)
85
Output Voltage (V)
15
13.9
15.3
VKP100xT515
80
80
10
75
75
5
70
0.50/0
2.0/0.9 4.0/1.4 6.0/2.0 8.0/2.7
Iout
1
/(Iout
2
+ Iout
3
)(A)
10/3.4
70
0.5/6.8
10/3.4
Iout
1
/(Iout
2
+ Iout
3
)(A)
20/0
0
0.5/6.8
10/3.4
Iout
1
/(Iout
2
+ Iout
3
)(A)
20/0
Product: www.cdpowerelectronics.com
VKP100xT
REV D
12/2001
5
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