CHINFA TDD15-12S3

TDD15 SERIES
DC - DC CONVERTER
12 ~ 15W SINGLE & DUAL OUTPUT
FEATURES
‧EFFICIENCY UP TO 87%
‧2:1 WIDE INPUT RANGE
‧I/O ISOLATION
‧INPUT Pi FILTER
‧SHORT CIRCUIT PROTECTION
‧HIGH PERFORMANCE
‧2 YEARS WARRANTY
MODEL LIST
MODEL NO.
INPUT
EFF.
EFF. CAPACITOR
INPUT
OUTPUT OUTPUT OUTPUT
LOAD
CURRENT
VOLTAGE
WATTAGE VOLTAGE CURRENT (min.) (typ.) (max.)
(typ.)
Single Output Models
+3.3 VDC
3600 mA
77%
79%
3500 μF
15 WATTS
+ 5 VDC
3000 mA
79%
81%
3500 μF
15 WATTS
+ 12 VDC
1250 mA
80%
82%
2200 μF
15 WATTS
+ 15 VDC
1000 mA
83%
85%
2200 μF
0.31 A
12 WATTS
+3.3 VDC
3600 mA
78%
80%
3500 μF
0.37 A
15 WATTS
+ 5 VDC
3000 mA
80%
82%
3500 μF
35~75 VDC
0.36 A
15 WATTS
+ 12 VDC
1250 mA
84%
86%
2200 μF
35~75 VDC
0.35 A
15 WATTS
+ 15 VDC
1000 mA
85%
87%
2200 μF
TDD15 - 03S2
18~36 VDC
0.63 A
TDD15 - 05S2
18~36 VDC
0.77 A
TDD15 - 12S2
18~36 VDC
0.76 A
TDD15 - 15S2
18~36 VDC
0.69 A
TDD15 - 03S3
35~75 VDC
TDD15 - 05S3
35~75 VDC
TDD15 - 12S3
TDD15 - 15S3
12 WATTS
Dual Output Models
TDD15 - 12D2
18~36 VDC
0.70 A
15 WATTS
± 12 VDC
± 630 mA
81%
83%
± 1500μF
TDD15 - 15D2
18~36 VDC
0.71 A
15 WATTS
± 15 VDC
± 500 mA
82%
84%
± 1500μF
TDD15 - 12D3
35~75 VDC
0.36 A
15 WATTS
± 12 VDC
± 630 mA
82%
84%
± 330μF
TDD15 - 15D3
35~75 VDC
0.36 A
15 WATTS
± 15 VDC
± 500 mA
83%
85%
± 330μF
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2011.01.27
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P1
TDD15 SERIES
SINGLE & DUAL OUTPUT
SPECIFICATION
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
GENERAL
Characteristics
Conditions
typ.
min.
Switching frequency
Vi nom, Io nom
Isolation voltage
Input - Output
Isolation resistance
Input - Output, @ 500VDC
Isolation capacitance
100KHz / 1V
Ambient temperature
Operating at Vi nom, Io nom
Case temperature
Operating at Vi nom, Io nom
Derating
Vi nom
Storage temperature
Non operational
-40
Relative humidity
Vi nom, Io nom
20
Temperature coefficient
Vi nom, Io min
unit
max.
200
KHz
1500
VDC
100
MΩ
1000
-25
PF
+ 61
o
+100
o
+100
o
C
C
See derating curve
Dimension
C
95
% RH
± 0.02
% / oC
mm
L50.8 x W25.4 x H11.5
o
MTBF
Bellcore issue [email protected] C, GB
Cooling
Free air convection
Hours
840700
INPUT SPECIFICATIONS
Characteristics
Input voltage range
No load input current
Conditions
Ta min ... Ta max, Io nom
Vi nom, Io = 0
min.
typ.
max.
unit
18
24
36
VDC
35
48
75
VDC
24V models
25
mA
48V models
15
mA
24V models
40
VDC
80
VDC
Input voltage w/o damage
Io nom
Startup voltage
Io nom
24V models
8.7
16
VDC
startup voltage
Io nom
48V
12V models
17.4
30
VDC
Input filter
Pi type
48V models
OUTPUT SPECIFICATIONS
Characteristics
Conditions
Output voltage accuracy
Vi nom, Io nom
Minimum load
Vi nom
single output models
dual output models (each output)
min.
typ.
max.
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
%
Cross regulation (Dual model)
Aymmetrical load 16% - 100% FL
±5
%
Startup time
Vi nom, Io nom
30
ms
Transient recovery time
Vi nom, 1~0.5 Io nom
500
μs
Ripple & noise
Vi nom, Io nom, BW = 20MHz
150
mV
Efficiency
Vi nom, Io nom, Po / Pi
Up to 87%, See model list and efficiency curve
CONTROL AND PROTECTION
Input reversed
Shunt diode built in, external fuse recommended 1.5 A
Output short circuit
Current limited (Auto-recovery)
Rated over load protection
110%min....160%max
www.chinfa.com
2011.01.27
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P2
TDD15 SERIES
SINGLE & DUAL OUTPUT
PHYSICAL CHARACTERISTICS
Case size
50.8 x 25.4 x 11.5 mm (2 x 1 x 0.45 inches)
Case material
Plastic base / Metal case
Weight
35 g
Patting material
Epoxy
MECHANISM & PIN CONFIGURATION
mm [inch]
50.80 [2.00]
20.32 [0.80]
3
10.16 [0.40]
11.50 [0.45]
10.16 [0.40]
1
4
2
6.00 [0.24]
DIA 1.00 [0.04]
2.54 [0.10]
10.16 [0.40]
10.16 [0.40]
5
25.40 [1.00]
15.24 [0.60]
BURL AT 4 CORNER
BOTTOM VIEW
GENERAL TOLERANCE
0.00[0.00] - 30.00[1.18]
±0.30[0.01]
30.00[1.18] - 120.00[4.72]
±0.50[0.02]
PIN ASSIGMENT
GENERAL
PIN NO.
1
2
3
4
5
SINGLE
Vi+
Vi -
Vo +
NO PIN
Vo -
DUAL
Vi+
Vi -
Vo +
com
Vo -
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
2011.01.27
Opto Isolation
Reference &
Error Amp.
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P3
TDD15 SERIES
SINGLE & DUAL OUTPUT
RECOMMENDED CIRCUIT
‧Recommended filter for EN55022 Class B compliance.
L1
‧Recommended EN 55022 Class B filter circuit layout.
C4
+
Vin +
C1
Vo +
TDD15
C2
Vin -
Vo -
C3
‧The commponents used in the above figure, together with the manufacturer part
numbers for these components, are as follows.
C1
C2
C3
C4
L1
TDD15-XXX2
2.2μF / 50V
MLCC
4.7μF / 50V
MLCC
1nF / 2KV
MLCC
1nF / 2KV
MLCC
1.5 mH
Common choke
TDD15-XXX3
2.2μF / 100V 4.7μF / 100V
MLCC
MLCC
1nF / 2KV
MLCC
1nF / 2KV
MLCC
1.5 mH
Common choke
DERATING AND EFFICIENCY CURVE
Temperature derating curve
Power out [ % ]
100
NATURAL
CONVECTION
COOLING
0
-25
61
Ambient Temperature [ oC ]
100
Efficiency Vs Input Voltage
TDD15-05S2
Efficiency [ % ]
Efficiency [ % ]
86
85
84
83
82
Io : Full Load
18
20
22
24
26
28
Input Voltage (V)
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2011.01.27
30
32
34
36
88
86
84
82
80
78
76
74
72
70
Efficiency Vs Output Load
TDD15-05S2
Vi : 24VDC
10
20
30
40
50
60
70
80
90
100
Output Load (%)
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P4