TDD25-03S2 [CHINFA]
DC - DC CONVERTER 23 ~ 25W SINGLE & DUAL OUTPUT; 直流 - 直流转换器23 〜 25W单和双输出
| 型号： | TDD25-03S2 |
| 厂家： | 
CHINFA ELECTRONICS IND. CO., LTD. |
| 描述： | DC - DC CONVERTER 23 ~ 25W SINGLE & DUAL OUTPUT |
| 文件： | 总4页 (文件大小：335K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TDD25 SERIES
DC - DC CONVERTER
23 ~ 25W SINGLE & DUAL OUTPUT
FEATURES
LOW COST
2:1 & 3:1 WIDE INPUT RANGE
I/O ISOLATION
INPUT Pi FILTER
SHORT CIRCUIT PROTECTION
HIGH PERFORMANCE
2 YEARS WARRANTY
MODEL LIST
EFF.
(min.)
INPUT
VOLTAGE
OUTPUT
WATTAGE
OUTPUT
VOLTAGE
OUTPUT
CURRENT
MODEL NO.
Single Output Models
TDD25 - 03S2
TDD25 - 05S2
TDD25 - 12S2
TDD25 - 15S2
TDD25 - 03S3
TDD25 - 05S3
TDD25 - 12S3
TDD25 - 15S3
18~ 60 VDC
18~ 60 VDC
18~ 60 VDC
18~ 60 VDC
35~ 75 VDC
35~ 75 VDC
35~ 75 VDC
35~ 75 VDC
23 WATTS
25 WATTS
24 WATTS
25 WATTS
23 WATTS
25 WATTS
24 WATTS
25 WATTS
+ 3.3 VDC
5 VDC
7000 mA
5000 mA
2000 mA
1700 mA
7000 mA
5000 mA
2000 mA
1700 mA
78%
84%
84%
84%
78%
84%
84%
84%
+
+ 12 VDC
+ 15 VDC
+ 3.3 VDC
+
5 VDC
+ 12 VDC
+ 15 VDC
Dual Output Models
TDD25 - 12D2
TDD25 - 15D2
TDD25 - 12D3
TDD25 - 15D3
18~ 60 VDC
18~ 60 VDC
35~ 75 VDC
35~ 75 VDC
25 WATTS
25 WATTS
25 WATTS
25 WATTS
12 VDC
1000 mA
850 mA
1000 mA
850 mA
84%
84%
84%
84%
15 VDC
12 VDC
15 VDC
www.chinfa.com
2007.08.30
sales@chinfa.com
TDD25 SERIES
SINGLE & DUAL OUTPUT
CIRCUIT SCHEMATIC
Block diagram for TDD25 series with single output
Vi +
Vo +
Vo -
Switching
Device
Rectifier
Vi -
Opto -
Isolation
Reference &
Error Amp.
Trim
PWM
Controller
ON / OFF
Block diagram for TDD25 series with dual output
Vi +
Vo +
com
Rectifier
Rectifier
Switching
Device
Vo -
Vi -
Opto -
Isolation
Reference &
Error Amp.
Trim
PWM
Controller
ON / OFF
www.chinfa.com
2007.08.30
sales@chinfa.com
TDD25 SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25oC Unless Otherwise Noticed
GENERAL
typ.
200
Characteristics
Switching frequency
Isolation voltage
Conditions
Vi nom, Io nom
min.
max.
unit
KH z
VDC
M
1,500
100
-25
Input / Output
Isolation resistance
Ambient temperature
Input / Output, @ 500VDC
3.3V & 5Vmodel
oC
oC
+
+
60
71
12V, 15V &dual output model
-25
oC
% / oC
Case temperature
Derating
Operating at Vinom, Io nom
Vi nom
+ 100
See derating curve
-40
oC
Storage temperature
Dimension
Non operational
L50.8 x W76.2 x H12
Free air convection
Metal
+ 100
mm
Cooling
Case material
INPUT SPECIFICATIONS
typ.
Characteristics
Conditions
min.
18
max.
60
unit
VDC
VDC
mA
Input voltage range
No load input current
Input voltage w/o damage
Startup voltage
Ta min ... Ta max,
Io nom
24
48
15
3:1 models
2:1 models
24V models
48V models
24V models
48V models
24V models
48V models
35
75
Vi = nom
10
mA
Io nom
Io nom
Pi type
65
80
VDC
VDC
VDC
VDC
16
30
Input filter
OUTPUT SPECIFICATIONS
typ.
Characteristics
Conditions
min.
max.
unit
%
Output voltage accuracy
Vi nom, Io nom
2
Minimum load
Vi nom
single output models
0
%
dual output models (each output)
10
%
Line regulation
Load regulation
Io nom, Vi min ...Vi max
%
1
2
5
Vi nom, Io 0 ... Io nom, single output models
Vi nom, Io min ... Io nom, dual output models
%
%
S
Transient recovery time
Temperature coefficient
Ripple & noise
25% load, step changed
Vi nom, Io nom
500
% / oC
mV
mV
mV
%
0.02
150
240
300
Vi nom, Io nom,
3.3V & 5V models
BW = 20MHz
12V & 12V
15V & 15V
Voltage trim range
Efficiency
3.3V output models
5V, 12V, 15V & dual
Vi nom
5
%
10
Vi nom, Io nom, Po / Pi
Up to 84%, See model list
www.chinfa.com
2007.08.30
sales@chinfa.com
TDD25 SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25oC Unless Otherwise Noticed
CONTROL AND PROTECTION
Remote ON / OFF
ON: opened or 8 ~ 10VDC applied, reference to input GND
OFF: -0.3 ~ 2VDC applied, reference to input GND
Shunt diode built in, external fuse recommended
Input reversed
Output short circuit
Continuous
MECHANISM & PIN CONFIGURATION
mm [inch]
6.35 [0.25]
63.50 [2.50]
5.08 [0.20]
76.20 [3.00]
15.24 [0.60]
6
7
10.16 [0.40]
2
3
10.16 [0.40]
10.16 [0.40]
10.16 [0.40]
10.16 [0.40]
12.00 [0.47]
8
5.00 [0.20]
20.32 [0.80]
9
DIA 1.00 [0.04]
5
10
5.08 [0.20]
BURL AT 4 CORNER
BOTTOM VIEW
PHYSICAL CHARACTERISTICS
CASE SIZE
50.8 x 76.2 x 12 mm 2 x 3 x 0.47 inches
CASE MATERIAL
WEIGHT
Metal
105 g
PIN ASSIGNMENT
GENERAL
PIN NO.
SINGLE
DUAL
2
3
5
6
7
8
9
10
ON / OFF
ON / OFF
N. C.
N. C.
Trim
Vi -
Vi -
Vi+
Vi+
Vo -
com
Vo +
Vo +
Vo -
N. C.
Trim
DERATING
100
12V, 15V & dual
NATURAL
CONVECTION
COOLING
3.3V & 5V
0
-25
60
Ambient Temperature [ oC ]
71
100
www.chinfa.com
2007.08.30
sales@chinfa.com
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