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Corporate: www.cdtechno.com
Product: www.cdpowerelectronics.com
VKP60xT
60 Watt Triple Output Half Brick DC/DC Converter
18 - 40 & 33 - 75V Input
Range
Each Channel Independently
Current Limited
High Efficiency: 87% Typical
Excellent Cross Regulation
1500V
DC
Isolation Between
Input and Output
500 V
DC
Channel to Channel
Isolation
Fixed Frequency Operation
Operation to 100°C Baseplate
Temperature
50µS Transient Recovery,
0-90% Load Step
Primary & Secondary Remote
On/Off
Adjustable Output Voltage
External Synchronization
VKP60xT Series Approved to
UL/CUL 1950, EN60950
The VKP60LT and VKP60MT Series are
members of the VK high density DC/DC
converter family. They are multiple output
DC/DC converters offered in both a 18-40
and 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 VKP60xT'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 VKP60xT's proprietary
control circuity responds to 50-100% load
steps in 35µSeconds to within 1% of
nominal Vout. The peak deviation will not
exceed 7% of Vout for pulsed load slew
rates in excess of 75 Amps per microsec-
ond. The VKP60xT is ideal for electronic
data processing applications utilizing
modern disk drives and low voltage
microprocessors that require dynamic load
current response while maintaining tight
output voltage tolerances.
PRODUCT SELECTION CHART
INPUT
VOLTAGE
MODEL
VKP60LT312
VKP60LT315
VKP60LT512
VKP60LT515
VKP60MT312
VKP60MT315
VKP60MT512
VKP60MT515
(V
DC
)
24
24
24
24
48
48
48
48
(18-40)
(18-40)
(18-40)
(18-40)
(33-75)
(33-75)
(33-75)
(33-75)
RATED V
OUT
(V
DC
)
V1 (±)
3.3
3.3
5.1
5.0
3.3
3.3
5.1
5.0
V2 (±)
12
15
12
15
12
15
12
15
V3 (±)
12
15
12
15
12
15
12
15
RATED MAXIMUM I
OUT
(A)
V1(±)
18
18
12
12
18
18
12
12
V2(±)
2.5
2.0
2.5
2.0
2.5
2.0
2.5
2.0
V3(±)
2.5
2.0
2.5
2.0
2.5
2.0
2.5
2.0
SPECIFICATIONS, ALL MODELS
Specifications are at T
CASE
= +40°C nominal input voltage unless otherwise specified.
PARAMETER
Voltage Range
IHB60T24XX Series
IHB60T48XX Series
Reflected Ripple Current
Input Ripple Rejection
Maximum Input Current
IHB60T24XX Series
IHB60T48XX Series
No Load Power Dissipation
Inrush Charge
IHB60T24XX Series
IHB60T48XX Series
Quiescent Operating Current
Primary On/Off Disabled
Secondary On/Off Disabled
CONDITIONS
MIN
18
33
TYP
24
48
60
MAX
40
75
220
UNITS
V
DC
V
DC
mA
dB
A
A
W
mC
mC
mA
mA
Peak - Peak
DC to 1KHz
Output Power = 60W
V
IN
= 16V
V
IN
= 30V
P
OUT
= 0, V
IN, Min
<V
IN
<V
IN, Max
INPUT
50
6
3
6
0.29
0.165
7.5
15
10
25
PARAMETER
ISOLATION
Input to 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 =
60 Watts Max.
I
O Nom
V1
Min
Nom
30
3.3
9
100
.02
Max
60
18
200
3.80
.05
1.0
1.0
25
250
50
5.0
0
V2
Min Nom
15
12.2
1.25
150
.02
Max
30
Min
V3
Nom
15
12.2
1.25
150
Max
30
2.5
250
.05
UNITS
W
V
A
mV
V
%/°C
%
%
A
A
mV
µSec
V
%
VKP60xT312** 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
=9A, (I
OUT2
+I
OUT3
)=2.5A
F.L. V
IN
=Nominal
3.15
2.5
0
250
Dependent on V1
.05
.02
0.05
0.50
23
19
150
35
4.2
85
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
*
See Application Notes available on the web at www.cdpowerelectronics.com
**
X = Either L (24) or M (48)
Product: www.cdpowerelectronics.com
VKP60xT REV E 3/01
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 =
60 Watts Max.
I
O Nom
V1
Min
Nom
30
3.3
9
100
.02
Max
60
18
200
3.80
.05
1.0
1.0
25
250
50
5.0
0
Min
V2
Nom
Max
Min
15
30
15.85
1
2
0
125
250
Dependent on V1
.02
.05
V3
Nom
15
15.85
1
125
.02
Max
30
2
250
.05
UNITS
W
V
A
mV
V
%/°C
%
%
A
A
mV
µSec
V
%
VKP60xT315** 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
*
See Application Notes
*
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
=9A, (I
OUT2
+I
OUT3
)=2A
F.L. V
IN
=Nominal
4.2
85
3.15
0.05
0.50
23
19
150
35
86
1.0
2.0
1.0
2.0
See Regulation Curves See Regulation Curves
4.0
4.0
3.2
4.0
3.2
4.0
PARAMETER
Output Power
CONDITIONS
Total Combind O/P Power =
60 Watts Max
I
O Nom
V1
Min
Nom
30
5.1
6.0
125
.02
Max
60
12
200
5.50
.05
0.10
1.0
16
300
50
6.8
0
V2
Min Nom
15
12
1.25
150
Max
30
Min
V3
Nom
15
12
1.25
150
.02
Max
30
2.5
250
.05
UNITS
W
V
A
mV
V
%/°C
%
%
A
A
mV
µSec
V
%
VKP60xT512** 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
=6A, (I
OUT2
+I
OUT3
)=2.5A
F.L. V
IN
=Nominal
4.75
2.5
0
250
Dependent on V1
.02
.05
0.05
0.50
16
12.6
200
35
6.0
86
87
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
CONDITIONS
Total Combined O/P Power =
60 Watts Max
I
O Nom
V1
Min
Nom
30
5.0
6
100
.02
Max
60
12
200
5.50
.05
0.10
1.0
16
300
50
6.8
0
V2
Min Nom
15
15.3
1
125
Max
30
Min
V3
Nom
15
15.3
1
125
.02
1.0
Max
30
2
250
.05
2.0
UNITS
W
V
A
mV
V
%/°C
%
%
A
A
mV
µSec
V
%
VKP60xT515** 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
=6A, (I
OUT2
+I
OUT3
)=2A
F.L. V
IN
=Nominal
4.60
2
0
250
Dependent on V1
.02
.05
1.0
2.0
0.05
0.50
16
12.6
200
35
6.0
86
87
See Regulation Curves
4.0
3.2
4.0
See Regulation Curves
4.0
3.2
4.0
*
See Application Notes available on the web at www.cdpowerelectronics.com
**
X = Either L (24VDC InputVoltage) or M (48VDC Input Voltage)
Product: www.cdpowerelectronics.com
VKP100xT REV E 3/01
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)
VKP60
Device Family
Indicates 100 Watt Regulated Unit
Model Number
Selected from Table of Electrical Characteristics
Where:
x = Input Voltage (L = 24VDC, M = 48VDC)
T = Number of Outputs (Triple ‘T’)
y = 3 for 3.3V, 5 for 5V
z = 12 for 12V, 15 for 15V
Lead Length
0.250" - No Number
0.145" - (6)
0.110" - (8)
xTyz -
L
ORDERING
INFORMATION
Product: www.cdpowerelectronics.com
VKP60xT REV E 3/01
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)
VKP60xT312
VKP60xT315
VKP60xT512
VKP60xT515
Product: www.cdpowerelectronics.com
VKP100xT REV E 3/01
5
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