Datasheet

For more information, please visit the product page.
rev.
1 of 5
date
11/2009
DESCRIPTION: dc-dc converter
PART NUMBER: PK25
input
voltage
PK25-D5-S3.3
PK25-D5-S5
PK25-D5-S12
PK25-D5-S15
PK25-D5-D5
PK25-D5-D12
PK25-D5-D15
PK25-D12-S3.3
PK25-D12-S5
PK25-D12-S12
PK25-D12-S15
PK25-D12-D5
PK25-D12-D12
PK25-D12-D15
PK25-D24-S3.3
PK25-D24-S5
PK25-D24-S12
PK25-D24-S15
PK25-D24-D5
PK25-D24-D12
PK25-D24-D15
PK25-D48-S3.3
PK25-D48-S5
PK25-D48-S12
PK25-D48-S15
PK25-D48-D5
PK25-D48-D12
PK25-D48-D15
10.6W
16.0W
20.4W
21.0W
16.0W
20.4W
21.0W
13.2W
20.0W
25.2W
25.5W
20.0W
25.2W
25.5W
13.2W
20.0W
25.2W
25.5W
20.0W
25.2W
25.5W
13.2W
20.0W
25.2W
25.5W
20.0W
25.2W
25.5W
4.5-9VDC
4.5-9VDC
4.5-9VDC
4.5-9VDC
4.5-9VDC
4.5-9VDC
4.5-9VDC
8-16.5VD
9-18VDC
9-18VDC
9-18VDC
9-18VDC
9-18VDC
9-18VDC
18-36VDC
18-36VDC
18-36VDC
18-36VDC
18-36VDC
18-36VDC
18-36VDC
32-72VDC
32-72VDC
32-72VDC
32-72VDC
32-72VDC
32-72VDC
32-72VDC
output
voltage
output
current
(min)
output
current
(max)
0A
0A
0A
0A
0A
0A
0A
0A
0A
0A
0A
0A
0A
0A
0A
0A
0A
0A
0A
0A
0A
0A
0A
0A
0A
0A
0A
0A
3.2A
3.2A
1.7A
1.4A
1.6A
0.85A
0.7A
4.0A
4.0A
2.1A
1.7A
2.0A
1.05A
0.85A
4.0A
4.0A
2.1A
1.7A
2.0A
1.05A
0.85A
4.0A
4.0A
2.1A
1.7A
2.0A
1.05A
0.85A
in
output
power
(max)
3.3VDC
5VDC
12VDC
15VDC
±5VDC
±12VDC
±15VDC
3.3VDC
5VDC
12VDC
15VDC
±5VDC
±12VDC
±15VDC
3.3VDC
5VDC
12VDC
15VDC
±5VDC
±12VDC
±15VDC
3.3VDC
5VDC
12VDC
15VDC
±5VDC
±12VDC
±15VDC
is
co
nt
MODEL 1
ue
d
features
·industry standard pin out
·wide 2:1 input range
·fully isolated
·output voltage trimmable
·low ripple & noise
·over-current protection
·over-voltage protection
·output on/off control
·HI-POT tested
·constant switching frequency
·high efficiency
·compact size 2.56”x2.0”x0.375”
·3 year warranty
D
page
ripple & noise 2
mV P-P
75
75
120
150
100/100
120/120
150/150
75
75
120
150
100/100
120/120
150/150
75
75
120
150
100/100
120/120
150/150
75
75
120
150
100/100
120/120
150/150
efficiency
(typ.)
73%
75%
77%
77%
75%
77%
77%
83%
85%
89%
89%
80%
86%
86%
83%
85%
89%
90%
82%
86%
86%
83%
85%
90%
90%
82%
86%
86%
NOTE: 1. All models (excluding the 5 V dc input, D5) are also available in an extended temperature range of -40°C~85°C.
For these models, append “M” to the model number, e.g. PK25-D12-S3.3M.
2. Ripple & noise measured with a 20MHz bandwidth, off a 10uF electrolytic and a 0.1uF ceramic cap in parallel at the
ouptut.
20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383
www.v-infinity.com
For more information, please visit the product page.
rev.
page
2 of 5
date
11/2009
DESCRIPTION: dc-dc converter
PART NUMBER: PK25
INPUT
switching frequency
constant
min
4.5
9
18
36
OUTPUT
parameter
set point accuracy
line regulation
load regulation
conditions/description
all models
single output models
dual output models (10% min. load)
minimum load
ripple and noise
20 MHz bandwidth
min
-2%
-0.5%
-1.0%
-2.5%
0.0
nt
conditions/description
typical at full load
input/case, input/output, output/case
at 500 VDC
approved to UL1950, EN60950, CISPR22, CE
MTBF
operating temperature
MIL-HDBK-217F
regular models
extended temperature models
co
parameter
efficiency
dielectric withstand
insulation resistance
agency standards
case material
material flammability
weight
units
VDC
VDC
VDC
VDC
KHz
max
+2%
+0.5%
+1.0%
+2.5%
units
operating (non-condensing)
not intended for aqueous wash
min
80%
500
100M
-20
-40
-40
20%
nom
nom
max
135%
140%
max
89%
Amps
mVpp
units
units
VAC
Ohms
STS
94 V-0
65
(2.29)
470k
grams
(ounces)
hours
+71
°C
+85
°C
+105
°C
90%
RH
D
is
storage temperature
humidity
washability
max
9
18
36
72
1.0% Vout
parameter
conditions/description
min
over-current
continuous auto recovery 3
105%
over-voltage
internally zener clamped 3
110%
NOTE: 3 continuous operation in a protected state may compromise long-term reliability.
GENERAL
nom
in
PROTECTION
nom
5
12
24
48
300
d
conditions/description
ue
parameter
input voltage range
20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383
www.v-infinity.com
For more information, please visit the product page.
rev.
page
3 of 5
date
11/2009
DESCRIPTION: dc-dc converter
PART NUMBER: PK25
DIMENSIONS (mm)
Single Output
4.
5.
6.
7.
2.56
(65.0)
CL
0.2
(5.08)
OUT
0.6
(15.24)
0.2
(5.08)
2.0
(50.0)
4
5
2
6
3
7
0.19
(4.68)
Label
0.2
(5.08)
Outside edge
0.3
(7.62)
0.19
(4.68)
0.2
(5.08)
7-
0.05(1.3)
1
CL
0.6
(15.24)
nt
1.6
(41.0)
2.2
(55.88)
+Vout
C om
-Vout
Trim
4
5
2
6
3
7
0.3
(7.62)
0.3
(7.62)
0.2
(5.08)
0.2
(5.08)
2.2
(55.88)
TOP VIEW
D
is
co
0.18
(4.56)
4.
5.
6.
7.
+Vout
N o p in
Gnd
Trim
CL
0.3
(7.62)
0.37
(9.5)
0.04
(1.0)
1. +Vin
2. -Vin
3. CNT
in
IN
Dual Output
ue
1. +Vin
2. -Vin
3. CNT
1
d
Pin Assignments
All dimensions are in inches (mm).
20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383
www.v-infinity.com
For more information, please visit the product page.
rev.
page
4 of 5
date
11/2009
DESCRIPTION: dc-dc converter
PART NUMBER: PK25
APPLICATION NOTES
1. OUTPUT TRIMMING
The output voltages are preset to nominal values as indicated by the models table at the factory. If desired, the output voltage may
d
optionally be trimmed to a different value (+/- 10%) with external resistors and/or potentiometer as shown below.
+Vo
FIGURE 1. TRIMMING WITH
Trim
EXTERNAL POTENTIOMETER
-Vin
-Vo
10KW
Trimpot
ue
+Vin
R load
To trim the output voltage with fixed resistors, the output voltage can be calculated as follows.
+Vo
+Vin
Trim
R load
-Vo
nt
R trim-up
-Vin
in
+Vin
-Vin
+Vo
R trim-down
Trim
R load
-Vo
Trim-Up
Trim-Down
FIGURE 2: TRIM-UP VOLTAGE SETUP
FIGURE 3: TRIM-DOWN VOLTAGE SETUP
co
Rtrim_up =
Vr · R1 · R2
R2 · (Vo - Vr) - Vr · R1
Rtrim_down =
(Vo - Vr) · R1 · R2
Vr · R1 - (Vo - Vr) · R2
The value of R trim-up is defined as:
The value of R trim-down is defined as:
Where: R trim-up is the external resistor in K Ω . V o is the
Where: R trim-down is the external resistor in K Ω . V o is the
desired output voltage. R 1 and R 2 and V r are internal to
desired output voltage. R 1 and R 2 and V r are internal to
the unit and are defined in Table 1. For example to trim down
the PK25-D5-D12 up by 5% to 25.2 V, R trim-up is calculated
the PK25-D5-D12 down by 5% to 22.8 V, R trim-down is calculated
as follows:
as follows:
is
the unit and are defined in Table 1. For example to trim up
D
Vo = 25.2 / R1 = 21 KΩ / R2 = 2.43 KΩ / Vr = 2.5
Rtrim_up =
2.5 · 21 · 2.43
2.43 · (25.2 - 2.5) - 2.5 · 21
Table 1
= 47.94 KΩ
Model
PK25-DXX-S3.3
PK25-DXX-S5
PK25-DXX-S12
PK25-DXX-S15
PK25-DXX-D5
PK25-DXX-D12
PK25-DXX-D15
*PK25-D5-S3.3
Vo = 22.8 / R1 = 21 KΩ / R2 = 2.43 KΩ / Vr = 2.5
Rtrim_down =
(22.8 - 2.5) · 21 · 2.43
2.5 - 2.1 (22.8 - 2.5) · 2.43
= 326.68 KΩ
R1 (KΩ) R2 (KΩ) Vr (V)
4.12
2.49
1.25
2.43
2.43
2.5
9.31
2.43
2.5
12.7
2.49
2.5
7.5
2.49
2.5
21
2.43
2.5
26.7
2.43
2.5
0.787
2.43
2.5
20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383
www.v-infinity.com
For more information, please visit the product page.
rev.
page
5 of 5
date
11/2009
DESCRIPTION: dc-dc converter
PART NUMBER: PK25
2. ON/OFF CONTROL (CNT)
The ground terminal of remote ON/OFF circuit is connected with -V input terminal. Between CNT and -V input: output voltage is ON
VCC
R
-V
ue
CNT
FIGURE 4. CONNECTION EXAMPLE
d
at “low” level or short circuit (0~1.2 V). Between CNT and -V input: output voltage is OFF at “high” level or open circuit (2.4~5.5 V).
IC
Transistor
Relay
When CNT terminal is “low” level, fan out current is 1 mA typical. When Vcc is applied, use 5 V ≤ Vcc ≤ 24 V. When remote ON/OFF
function is not used, please short between CNT and -V input.
OUTPUT
in
CNT level for INPUT -V
ON
HL(More than 2.4V) OR Open
OFF
D
is
co
nt
L(Less than 1.2V) OR Short
20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383
www.v-infinity.com
Similar pages