CHINFA TDD15-15D2

TDD15 SERIES
DC - DC CONVERTER
12 ~ 15W 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
OUTPUT
CURRENT
EFF.
(typ.)
EFF.
(min.)
+3.3 VDC
3600 mA
79%
77%
+ 5 VDC
3000 mA
81%
79%
15 WATTS
+ 12 VDC
1250 mA
82%
80%
15 WATTS
+ 15 VDC
1000 mA
85%
83%
35~75 VDC
12 WATTS
+3.3 VDC
3600 mA
80%
78%
35~75 VDC
15 WATTS
+ 5 VDC
3000 mA
82%
80%
TDD15 - 12S3
35~75 VDC
15 WATTS
+ 12 VDC
1250 mA
86%
84%
TDD15 - 15S3
35~75 VDC
15 WATTS
+ 15 VDC
1000 mA
87%
85%
MODEL NO.
INPUT
VOLTAGE
TDD15 - 03S2
18~36 VDC
12 WATTS
TDD15 - 05S2
18~36 VDC
15 WATTS
TDD15 - 12S2
18~36 VDC
TDD15 - 15S2
18~36 VDC
TDD15 - 03S3
TDD15 - 05S3
OUTPUT
OUTPUT
WATTAGE
VOLTAGE
Single Output Models
Dual Output Models
TDD15 - 12D2
18~36 VDC
15 WATTS
12 VDC
630 mA
83%
81%
TDD15 - 15D2
18~36 VDC
15 WATTS
15 VDC
500 mA
84%
82%
TDD15 - 12D3
35~75 VDC
15 WATTS
12 VDC
630 mA
84%
82%
TDD15 - 15D3
35~75 VDC
15 WATTS
15 VDC
500 mA
85%
83%
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2007.08.30
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TDD15 SERIES
SINGLE & DUAL OUTPUT
CIRCUIT SCHEMATIC
Block diagram for TDD15 series with single output
Vo +
Vi +
Switching
Device
Rectifier
Vo -
Vi -
PWM
Controller
Opto Isolation
Reference &
Error Amp.
Block diagram for TDD15 series with dual output
Vo +
Vi +
Rectifier
com
Switching
Device
Rectifier
Vo -
Vi -
PWM
Controller
www.chinfa.com
2007.08.30
Opto Isolation
Reference &
Error Amp.
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TDD15 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.
200
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
Derating
Vi nom
Storage temperature
Non operational
Dimension
L25.4 x W50.8 x H12
Cooling
Free air convection
Case material
Metal
unit
KHz
1,500
VDC
M
+ 60
o
+ 100
o
C
C
% / oC
See derating curve
-40
o
+ 100
C
mm
max.
unit
INPUT SPECIFICATIONS
Characteristics
Conditions
min.
typ.
Input voltage range
Ta min ... Ta max, Io nom
No load input current
Vi = nom
Io = 0
24V models
48V models
15
mA
Input voltage w/o damage
Io nom
24V models
40
VDC
78
VDC
Startup voltage
Io nom
Input filter
Pi type
18
24
35
48
48
48V models
36
VDC
75
VDC
25
mA
24V models
15.8
VDC
48V models
28.6
VDC
OUTPUT SPECIFICATIONS
Characteristics
Conditions
Output voltage accuracy
Vi nom, Io nom
Minimum load
Vi nom
min.
typ.
max.
sing output models
dual output models (each output)
unit
%
2
0
%
16
%
Line regulation
Io nom, Vi min ...Vi max
1
%
Load regulation
Vi nom Io 0 ... Io nom, single output models
2
%
Vi nom, Io min ... Io nom, dual output models
5
%
0.02
% / oC
Transient recovery time
25% load, step changed
Temperature coefficient
Vi nom, Io nom
Ripple & noise
Vi nom, Io nom,
BW = 20MHz
Efficiency
S
500
12V,15V & dual
Vi nom, Io nom, Po / Pi
mV
150
3.3V & 5V model
Vout x
1%
mV
Up to 87%, See model list
CONTROL AND PROTECTION
Input reversed
Shunt diode built in, external fuse recommended
Output short circuit
Continuous
www.chinfa.com
2007.08.30
sales@chinfa.com
TDD15 SERIES
SINGLE & DUAL OUTPUT
MECHANISM & PIN CONFIGURATION
mm [inch]
20.32 [0.80]
15.24 [0.60]
2.54 [0.10]
50.80 [2.00]
3
10.16 [0.40]
5.08 [0.20]
11.94 [0.47]
10.16 [0.40]
1
4
2
10.16 [0.40]
10.16 [0.40]
5.08 [0.20]
DIA 1.00 [0.04]
5
BURL AT 4 CORNER
BOTTOM VIEW
PHYSICAL CHARACTERISTICS
CASE SIZE
25.4 x 50.8 x 12 mm 1 x 2 x 0.47 inches
CASE MATERIAL
Metal
WEIGHT
33 g (typ.)
PIN ASSIGMENT
GENERAL
PIN NO.
1
2
3
4
5
SINGLE
Vi+
Vi -
Vo +
NO PIN
Vo -
Vo +
com
Vo -
DUAL
Vi+
Vi -
DERATING
Power out [ % ]
100
NATURAL
CONVECTION
COOLING
0
-25
60
100
Ambient Temperature [ oC ]
www.chinfa.com
2007.08.30
sales@chinfa.com