Yuan Dean Scientific CO.,LTD
25D SERIES
1000Vdc Twin Output 1 Watt Dc-Dc Converter
FEATURES:
●14PIN
DIL Package
●High
Efficiency up to 85%
●Internal
SMD Construction
●Unregulated
Output Types
●Operating
Temperature:-40℃ TO +85℃
●No
External Component Required
●Industry
Standard Pinout
Specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified
Output2
Efficiency
Part Number
Voltage
Current
(VDC)
(mA)
%TYP
25D-XXDXX03NNL
25D-XXDXX05NNL
25D-XXDXX09NNL
25D-XXDXX12NNL
25D-XXDXX15NNL
25D-XXDXX24NNL
3.3
5
9
12
15
24
150
100
56
42
34
21
70
75
75
75
75
75
2. 3.3V for output only, not for input.
Note:1.”XX” Is Voltage:03=3.3Vdc,05=5Vdc,09=9Vdc 12=12Vdc,15=15Vdc,24=24Vdc.
3. The input voltage increases, there will be an increase in efficiency.
Input Specifications
Parameters
Voltage Tolerance
Filter
Conditions
Vo, Io Nom
Capacitor
Min
Typ
Max
±5
Units
%
Output Specifications
Parameters
Voltage Tolerance
Short Circuit Protection
Conditions
100% full load
Short Term
For 1.0% OF Vin
3.3V,5V (10% To 100% F.L)
9V,12V,15V,24V (10% To 100% F.L.)
Min
Typ
Max
±5
1 Sec
Units
%
%
Line Regulation
Load Regulation
Load Regulation
Ripple & Noise
Transient response setting time
1.2
15
10
100
350
%
%
mVp-p
us
BW=DC To 20MHz
50% load step change
General Specifications
Parameters
Isolation Resistance
Switching Frequency
Operating Temperature
Conditions
500Vdc
Full load,nominal input
Min
1000
Typ
100
Max
Units
MΩ
KHz
-40
Non Condensing
Free air Convection
DAP
MIL-HDBK-217F@25℃
+85
95
℃
%
Humidity
Cooling
Case material
MTBF
2500000
2.3
20.32x10.16x6.80
Hours
g
mm
Weight
Dimensions
http://www.yuan-dean.com
http://www.yuandean.com
E-mail:yds.tech@msa.hinet.net
E-mail:yds@yds.com.tw
Tel:886-6-2512628
Fax:886-6-2511858
2009-1-10
Yuan Dean Scientific CO.,LTD
25D SERIES
1000Vdc Twin Output 1 Watt Dc-Dc Converter
Temperature Derating Graph
OutPut Power(%)
100
75
50
25
0
-40
85
100
Tolerance Envelope Graph
120%
Output Voltage(%)
110%
100%
90%
80%
70%
110%
100%
120%
20%
30%
40%
50%
60%
70%
80%
10%
90%
Nature Convection
Ambient Temperature(
℃
)
Output Current(%)
Recommended Test Circuit
Vin
Cin
GND
3.3V:Cin
5V :Cin
9V :Cin
12V :Cin
15V:Cin
24V:Cin
4.7uF,25V
4.7uF,25V
4.7uF,25V
2.2uF,25V
1uF,50V
1uF,50V
3.3V :Cout 22uF,25V
5V :Cout 10uF,25V
9V :Cout 4.7uF,25V
12V:Cout 2.2uF,25V
15V:Cout 1uF,50V
24V:Cout 1uF,50V
Part Number
25D - 12 D 0505 N NL
A
B C
D
E F
A:Series
B:Input Voltage
C:Dual Output
D:Output Voltage
E:Unregulated(N)
F:RoHS Version
+Vout
Dual
Cout
Cout
Com
-Vout
Markings and Dimensions
20.32
0.25±0.05
1
7
Packaging
10.16
TOP VIEW
7.62
BOTTOM VIEW
14
11
10
9
8
15.24
6.80MAX
7.62
4.00
0.50±0.05
2.54
7.62
Size(mm)
A
13.23
B
12.30
C
530
Unit:mm Unless otherwise specified, all tolerances are
±0.25
PIN Connection
PIN
DUAL
1
-Vin
7
NC
8
-Vout2
9
+Vout2
10
-Vout1
11
+Vout1
14
+Vin
http://www.yuan-dean.com
http://www.yuandean.com
E-mail:yds.tech@msa.hinet.net
E-mail:yds@yds.com.tw
Tel:886-6-2512628
Fax:886-6-2511858
2009-1-10