Chinfa FDD25-03S2 Dc - dc converter 20 ~ 30w single & dual output Datasheet

FDD25 SERIES
DC - DC CONVERTER
20 ~ 30W SINGLE & DUAL OUTPUT
FEATURES
LOW COST
2:1 WIDE INPUT RANGE
I/O ISOLATION
INPUT Pi FILTER
SHORT CIRCUIT PROTECTION
HIGH PERFORMANCE
2 YEARS WARRANTY
MODEL LIST
EFF.
(typ.)
EFF.
(min.)
6000 mA
80%
77%
+ 5 VDC
5000 mA
83%
81%
25 WATTS
+ 12 VDC
2100 mA
86%
84%
25 WATTS
+ 15 VDC
1700 mA
87%
85%
18~36 VDC
20 WATTS
+3.3 VDC
6000 mA
80%
78%
18~36 VDC
25 WATTS
+ 5 VDC
5000 mA
85%
83%
FDD25 - 12S2
18~36 VDC
30 WATTS
+ 12 VDC
2500 mA
86%
84%
FDD25 - 15S2
18~36 VDC
30 WATTS
+ 15 VDC
2000 mA
88%
86%
FDD25 - 03S3
36~72 VDC
20 WATTS
+3.3 VDC
6000 mA
80%
78%
FDD25 - 05S3
36~72 VDC
25 WATTS
+ 5 VDC
5000 mA
85%
83%
FDD25 - 12S3
36~72 VDC
30 WATTS
+ 12 VDC
2500 mA
87%
85%
FDD25 - 15S3
36~72 VDC
30 WATTS
+ 15 VDC
2000 mA
88%
86%
MODEL NO.
INPUT
VOLTAGE
FDD25 - 03S1
9~18 VDC
20 WATTS
+3.3 VDC
FDD25 - 05S1
9~18 VDC
25 WATTS
FDD25 - 12S1
9~18 VDC
FDD25 - 15S1
9~18 VDC
FDD25 - 03S2
FDD25 - 05S2
OUTPUT
OUTPUT
WATTAGE
VOLTAGE
Single Output Models
OUTPUT
CURRENT
Dual Output Models
FDD25 - 12D1
9~18 VDC
25 WATTS
12 VDC
1050 mA
85%
83%
FDD25 - 15D1
9~18 VDC
25 WATTS
15 VDC
850 mA
87%
85%
FDD25 - 12D2
18~36 VDC
30 WATTS
12 VDC
1250 mA
87%
85%
FDD25 - 15D2
18~36 VDC
30 WATTS
15 VDC
1000 mA
88%
86%
FDD25 - 12D3
36~72 VDC
30 WATTS
12 VDC
1250 mA
87%
85%
FDD25 - 15D3
36~72 VDC
30 WATTS
15 VDC
1000 mA
89%
87%
www.chinfa.com
2007.08.30
[email protected]
FDD25 SERIES
SINGLE & DUAL OUTPUT
CIRCUIT SCHEMATIC
Block diagram for FDD25 series with single output
Vo +
Vi +
Switching
Device
Rectifier
Vo -
Vi -
PWM
Controller
Opto Isolation
Reference &
Error Amp.
ON / OFF
Trim
Block diagram for FDD25 series with dual output
Vi +
Vo +
Rectifier
com
Switching
Device
Rectifier
Vo -
Vi -
PWM
Controller
Opto Isolation
Reference &
Error Amp.
Trim
ON / OFF
www.chinfa.com
2007.08.30
[email protected]
FDD25 SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
GENERAL
Characteristics
Conditions
min.
typ.
max.
180
Switching frequency
Vi nom, Io nom
Isolation voltage
Input / Output
Isolation resistance
Input / Output, @ 500VDC
100
Ambient temperature
Operating at Vi nom, Io nom
-25
Case temperature
Operating at Vi nom, Io nom
KHz
1,500
Derating
Vi nom
Storage temperature
Non operational
Dimension
L50.8 x W50.8 x H11.9
Cooling
Free air convection
Case material
Metal
unit
VDC
M
+ 71
o
+ 100
o
C
C
o
%/ C
See derating curve
-40
o
+ 100
C
mm
max.
unit
INPUT SPECIFICATIONS
Characteristics
Input voltage range
No load input current
Input voltage w/o damage
Startup voltage
Input filter
Conditions
Ta min ... Ta max, Io nom
Vi = nom
Io = 0
Io nom
Io nom
min.
typ.
18
VDC
48
24
36
VDC
48
72
VDC
12V models
20
mA
24V models
15
mA
48V models
10
mA
12V models
20
VDC
24V models
40
VDC
48V models
75
VDC
12V models
8.5
VDC
24V models
15
VDC
48V models
35
VDC
9
12
18
36
Pi type
OUTPUT SPECIFICATIONS
Characteristics
Conditions
Output voltage accuracy
Vi nom, Io nom
Minimum load
Vi nom
min.
typ.
max.
2
single output models
dual output models (each output)
unit
%
0
%
10
%
Line regulation
Io nom, Vi min ...Vi max
1
%
Load regulation
Vi nom, Io 0 ...Io nom, single output models
2
%
5
%
Vi nom, Io min ...Io nom, dual output models
Transient recovery time
Vi nom, Io nom ... 1/2 Io nom
0.02
% / C
100
mV
12V, 15V & dual
150
mV
Vi nom, Io nom
Ripple & noise
Vi nom, Io nom,
BW = 20MHz
Voltage trim range
Vi nom,
Io nom
Efficiency
Vi nom, Io nom, Po / Pi
2007.08.30
o
3.3V & 5V models
Temperature coefficient
www.chinfa.com
S
500
3.3V output models
5
%
5V, 12V, 15V & dual
10
%
Up to 89%, See model list
[email protected]
FDD25 SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
CONTROL AND PROTECTION
Remote ON / OFF
ON: opened or 5 ~ 10VDC applied, reference to input GND
OFF: -0.3 ~ 2VDC applied, reference to input GND
Input reversed
Shunt diode built in, external fuse recommended
Output short circuit
Continuous
MECHANISM & PIN CONFIGURATION
45.72 [1.80]
mm [inch]
2.54 [0.10]
10.16 [0.40]
50.80 [2.00]
5
22.86 [0.90]
5.08 [0.20]
11.94 [0.47]
10.16 [0.40]
7
10.16 [0.40]
5.08 [0.20]
10.16 [0.40]
4
DIA 1.00 [0.04]
50.80 [2.00]
10.16 [0.40]
6
1
2
8
10.16 [0.40]
50.80 [2.00]
BOTTOM VIEW
PHYSICAL CHARACTERISTICS
50.8 x 50.8 x 11.9 mm 2 x 2 x 0.47 inches
CASE SIZE
CASE MATERIAL
Metal
WEIGHT
70 g
PIN ASSIGNMENT
GENERAL
PIN NO.
1
2
4
5
6
7
8
SINGLE
Vi+
Vi -
S. D.
NO PIN
Vo +
Vo -
Trim
DUAL
Vi+
Vi -
S. D.
Vo +
com
Vo -
Trim
S.D. : REMOTE ON / OFF
DERATING
Power out [ % ]
100
0
-25
www.chinfa.com
2007.08.30
NATURAL
CONVECTION
COOLING
Ambient Temperature [ oC ]
71
100
[email protected]
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