PK25-D48-S3.3 [CUI]
dc-dc converter;
| 型号： | PK25-D48-S3.3 |
| 厂家： | 
CUI INC |
| 描述： | dc-dc converter |
| 文件： | 总5页 (文件大小：849K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
For more information, please visit the product page.
page 1 of 5
date 11/2009
PART NUMBER: PK25
DESCRIPTION: dc-dc converter
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
1
2
MODEL
output
power
(max)
input
voltage
output
voltage
outp
cuent
in)
ouut
current
(max)
ripple & noise
mV P-P
efficiency
(typ.)
PK25-D5-S3.3
PK25-D5-S5
PK25-D5-S12
PK25-D5-S15
PK25-D5-D5
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
2.5W
0.0W
5.2W
25.5W
13.2W
0.0W
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
9-18
9-
9-
9-18
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
3.3VDC
5VDC
12VDC
15V
5VDC
12VDC
1VDCꢀꢀꢀ
3.3VDC
5VDC
12VDC
VDC
5VDC
12VDC
15VDC
3.3VDC
5VDC
12VDCꢀꢀꢀ
15VDC
5VDC
12VDC
15VDC
3.3VDC
5VDC
12VDC
15VDC
5VDC
A
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
75
75
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%
120
150
100/100
120/120
150/150
75
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
PK25-D
PK25-
PK25-D4
PK25-D48-D
PK25-D48-D15
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
12VDC
15VDC
NOTE: 1.ꢀAllꢀmodelsꢀ(excludingꢀtheꢀ5ꢀVꢀdcꢀinput,ꢀD5)ꢀareꢀalsoꢀavailableꢀinꢀanꢀextendedꢀtemperatureꢀrangeꢀofꢀ-40°C~85°C.ꢀ
Forꢀtheseꢀmodels,ꢀappendꢀ“M”ꢀtoꢀtheꢀmodelꢀnumber,ꢀe.g.ꢀPK25-D12-S3.3M.
2. Rippleꢀ&ꢀnoiseꢀmeasuredꢀwithꢀaꢀ20MHzꢀbandwidth,ꢀoffꢀaꢀ10uFꢀelectrolyticꢀandꢀaꢀ0.1uFꢀceramicꢀcapꢀinꢀparallelꢀatꢀthe
ouptut.
th
20050 SW 112 Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383 www.v-infinity.com
For more information, please visit the product page.
page 2 of 5
date 11/2009
PART NUMBER: PK25
DESCRIPTION: dc-dc converter
INPUT
parameter
conditions/description
min
4.5
9
18
36
nom
5
12
24
48
max
9
18
36
72
units
inputꢀvoltageꢀrange
VDC
VDC
VDC
VDC
KHz
switchingꢀfrequencyꢀꢀꢀꢀꢀꢀꢀꢀꢀconstant
300
OUTPUT
parameter
conditions/description
min
-2%
-0.5%
-1.0%
-2.5%
0.0
nom
nom
max
+2%
+0%
+1.0
+2.5%
units
setꢀpointꢀaccuracy
lineꢀregulation
loadꢀregulation
allꢀmodels
singleꢀoutputꢀmodels
dualꢀoutputꢀmodelsꢀꢀ(10%ꢀmin.ꢀload)
minimumꢀloadꢀ
rippleꢀandꢀnoise
Amps
20ꢀMHzꢀꢀbandwidth
%ꢀout mVpp
PROTECTION
parameter
over-current
conditions/description
continuousꢀautoꢀrecoveryꢀ
internallyꢀzenerꢀclampedꢀ
mi
105%
110%
max
135%
140%
units
3
3
over-voltage
NOTE:ꢀ3ꢀcontinuousꢀoperationꢀinꢀaꢀprotectedꢀstateꢀmayꢀcompromiseꢀlong-treliability.
GENERAL
efficiency
dielectricꢀwithstand
insulationꢀresistance
agencyꢀstandards
caseꢀmaterial
materialꢀflammability
weightꢀ
parameter
conditions/description
min
nom
max
units
typicalꢀatꢀfullꢀload
80%
500
89%
input/case,ꢀinput/output,ꢀoutput/ce
atꢀ500ꢀVDC
approvedꢀtoꢀUL1950,ꢀEN60,ꢀCISP22,ꢀCE
VAC
Ohms
100M
STS
94ꢀV-0
65
(2.29)
470k
grams
(ounces)
hours
°C
MTBF
MIL-HDBK-21F
operatingꢀtemperature regularꢀmode
-20
-40
-40
20%
+71
+85ꢀ
+105
90%
extendedꢀtemeratureꢀmels
°C
storageꢀtemperature
humidity
washability
°C
opeatingꢀ(non-condensing)
notntenddꢀfꢀaqueousꢀwash
RH
th
20050 SW 112 Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383 www.v-infinity.com
For more information, please visit the product page.
page 3 of 5
date 11/2009
PART NUMBER: PK25
DESCRIPTION: dc-dc converter
DIMENSIONS (mm)
Pin Assignments
All dimensions are in inches (mm).
Single Output
Dual Output
1. +Vin
2. -Vin
3. CNT
1. +Vin
2. -Vin
3. CN
4. +Vout
5. N o pin
6. G n d
7. Trim
4. +V
5. C o
6. -Vout
. Trim
2.56
(65.0)
CL
0.2
(5.08)
2.0
1
(50.0)
IN
OUT
4
5
CL
0.3
(7.62)
0.6
(15.24)
tside edge
0.3
(7.62)
0.2
(5.08)
2
6
7
3
0.2
(5.08)
0.19
(4.68)
0.19
(4.68)
0.2
(5.08)
7- 0.05(1.3)
Label
4
5
0.3
(7.62)
0.37
(9.5)
6
(1)
0.3
(7.62)
2
3
6
7
1.6
(41.0)
0.04
(1.0)
0.2
(5.08)
0.2
(5.08)
2.2
(55.88)
0.18
(4.56)
2.2
(55.88)
TOP VIEW
th
20050 SW 112 Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383 www.v-infinity.com
For more information, please visit the product page.
page 4 of 5
date 11/2009
PART NUMBER: PK25
DESCRIPTION: dc-dc converter
APPLICATION NOTES
1. OUTPUT TRIMMING
Theꢀoutputꢀvoltagesꢀareꢀpresetꢀtoꢀnominalꢀvaluesꢀasꢀindicatedꢀbyꢀtheꢀmodelsꢀtableꢀatꢀtheꢀfactory.ꢀꢀIfꢀdesired,ꢀtheꢀoutputoltageꢀmay
optionallyꢀbeꢀtrimmedꢀtoꢀaꢀdifferentꢀvalueꢀ(+/-ꢀ10%)ꢀwithꢀexternalꢀresistorsꢀand/orꢀpotentiometerꢀasꢀshownꢀbelow.ꢀ
+Vo
+Vin
FIGURE 1. TRIMMING WITH
10KW
Trimpot
Trim
R load
EXTERNAL POTENTIOMETER
-Vin
-Vo
Toꢀtrimꢀtheꢀoutputꢀvoltageꢀwithꢀfixedꢀresistors,ꢀtheꢀoutputꢀvoltageꢀcanꢀbeꢀcalculatedꢀasꢀfollows.ꢀꢀ
+Vo
+Vo
+Vin
+Vin
R trim-down
Trim
Trim
R load
R load
R trim-up
-Vin
-Vin
-Vo
-Vo
Trim-Up
FIGURE 2: TRIM-UP VOLTAGE SE
Trim-Down
FIGURE 3: TRIM-DOWN VOLTAGE SETUP
V · R · R
(V - V ) · R · R
2
r
1
o
r
1
Rtrim_up=
Rtrim_down=
R · (V - V ) - V
V · R - (V - V ) · R
2
o
r
r
r
1
o
r
2
TheꢀvalueꢀofꢀRtrim-up isefinedꢀas:
TheꢀvalueꢀofꢀRtrim-down isꢀdefinedꢀas:
Where:ꢀRtrim-up isꢀtheꢀexternalꢀresiorꢀinꢀ KΩꢀVo isꢀtheꢀ
desiredꢀoutputꢀvoltage.ꢀꢀ 1 andꢀR2 andꢀVr areꢀinternalꢀto
theꢀunitꢀandꢀareꢀefinedꢀiTabꢀ1.ꢀꢀorꢀexampleꢀtoꢀtrimꢀup
theꢀPK25-D5-D12ꢀubyꢀ5%ꢀtoꢀ25.2ꢀ,ꢀ Rtrim-up isꢀcalculated
sꢀfollows:
Where:ꢀRtrim-down isꢀtheꢀexternalꢀresistorꢀinꢀ KΩ.ꢀꢀVo isꢀtheꢀꢀ
desiredꢀoutputꢀvoltage.ꢀꢀ R1 andꢀR2 andꢀVr areꢀinternalꢀto
theꢀunitꢀandꢀareꢀdefinedꢀinꢀTableꢀ1.ꢀꢀForꢀexampleꢀtoꢀtrimꢀdown
theꢀPK25-D5-D12ꢀdownꢀbyꢀ5%ꢀtoꢀ22.8ꢀV,ꢀ Rtrim-down isꢀcalculated
asꢀfollows:
V = 22.8 / R = 21 KΩ / R = 2.43 KΩ / V = 2.5
= 21 K/ R = 2.43 KΩ / V = 2.5
o
1
2
r
2
r
(22.8 - 2.5) · 21 · 2.43
2.5 - 2.1 (22.8 - 2.5) · 2.43
2.5 · 21 · 2.43
.43 · (25.2 - 2.5) - 2.5 · 21
326.68 KΩ
47.94 KΩ
Rtrim_down=
=
Rtri
=
R1 (KΩ) R2 (KΩ) Vr (V)
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
4.12
2.43
9.31
12.7
7.5
2.49
2.43
2.43
2.49
2.49
2.43
2.43
2.43
1.25
2.5
2.5
2.5
2.5
2.5
2.5
2.5
Tableꢀ1
21
26.7
0.787
th
20050 SW 112 Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383 www.v-infinity.com
For more information, please visit the product page.
page 5 of 5
date 11/2009
PART NUMBER: PK25
DESCRIPTION: dc-dc converter
2. ON/OFF CONTROL (CNT)
TheꢀgroundꢀterminalꢀofꢀremoteꢀON/OFF circuitꢀisꢀconnectedꢀwithꢀ-Vꢀinputꢀterminal.ꢀꢀBetweenꢀCNT andꢀ-Vꢀinput:ꢀoutputꢀvoltageꢀisꢀON
atꢀ“low”ꢀlevelꢀorꢀshortꢀcircuitꢀ(0~1.2ꢀV).ꢀꢀBetweenꢀCNT andꢀ-Vꢀinput: outputꢀvoltageꢀisꢀOFFꢀatꢀ“high”ꢀlevelꢀorꢀopenꢀcircu(2.4~5.5ꢀV).
VCC
R
CNT
FIGURE 4. CONNECTION EXAMPLE
-V
IC
Relay
Transistor
WhenꢀCNT terminalꢀisꢀ“low”ꢀlevel,ꢀfanꢀoutꢀcurrentꢀisꢀ1ꢀmA typical.ꢀꢀWhenꢀVccꢀisꢀapplied,ꢀuseꢀVꢀ ≤ Vccꢀ≤ 4ꢀV.ꢀꢀWhenꢀremoteꢀON/OFF
functionꢀisꢀnotꢀused,ꢀpleaseꢀshortꢀbetweenꢀCNT andꢀ-Vꢀinput.
CNT level for INPUT -V
OUPUT
O
L(Less than 1.2V) OR Short
HL(More than 2.4V) OR Open
OFF
th
20050 SW 112 Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383 www.v-infinity.com
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