DC/DC Converters
ctparts.com
PRODUCT PROGRAM
CTDD3214D-S Series
Wide Input, Isolated, Regulated Single Output
1 W Series
Type
Vout/Iout
CTDD3214D-0505S-1
CTDD3214D-0509S-1
CTDD3214D-0512S-1
CTDD3214D-0515S-1
CTDD3214D-1205S-1
CTDD3214D-1209S-1
CTDD3214D-1212S-1
CTDD3214D-1215S-1
CTDD3214D-1505S-1
CTDD3214D-1509S-1
CTDD3214D-1512S-1
CTDD3214D-1515S-1
CTDD3214D-2405S-1
CTDD3214D-2409S-1
CTDD3214D-2412S-1
CTDD3214D-2415S-1
CTDD3214D-4805S-1
CTDD3214D-4809S-1
CTDD3214D-4812S-1
CTDD3214D-4815S-1
5VDC/200
mA
9VDC/110
mA
12VDC/83
mA
15VDC/65
mA
2 W Series
Type
Vout/Iout
CTDD3214D-0505S-2
CTDD3214D-0509S-2
CTDD3214D-0512S-2
CTDD3214D-0515S-2
CTDD3214D-1205S-2
CTDD3214D-1209S-2
CTDD3214D-1212S-2
CTDD3214D-1215S-2
5VDC/400
mA
9VDC/220
mA
3 W Series
Type
Vout/Iout
CTDD3214D-0505S-3
CTDD3214D-0509S-3
CTDD3214D-0512S-3
CTDD3214D-0515S-3
CTDD3214D-1205S-3
CTDD3214D-1209S-3
CTDD3214D-1212S-3
CTDD3214D-1215D-3
CTDD3214D-1505S-3
CTDD3214D-1509S-3
CTDD3214D-1512S-3
CTDD3214D-1515S-3
CTDD3214D-2405S-3
CTDD3214D-2409S-3
CTDD3214D-2412S-3
CTDD3214D-2415S-3
CTDD3214D-4805S-3
CTDD3214D-4809S-3
CTDD3214D-4812S-3
CTDD3214D-4815S-3
3.3VDC/485
mA
5VDC/500
mA
9VDC/333
mA
12VDC/250
mA
15VDC/200
mA
Not shown at actual size.
CTDD3214D-1505S-2 12VDC/165
CTDD3214D-1509S-2
mA
CTDD3214D-1512S-2 15VDC/130
CTDD3214D-1515S-2
mA
CTDD3214D-2405S-2
CTDD3214D-2409S-2
CTDD3214D-2412S-2
CTDD3214D-2415S-2
CTDD3214D-4805S-2
CTDD3214D-4809S-2
CTDD3214D-4812S-2
CTDD3214D-4815S-2
ISOLATION SPECIFICATIONS
Item
Isolation Voltage
Test Condition
Flash test for 60 seconds
Test at 500VDC
MIN
1000
1000
TYP
MAX
Units
VDC
MΩ
FEATURES
Input Range:
Wide (2:1)
Efficiency:
To 85%
Output:
Single
Operating Temperature:
-40°C to +85°C
Isolation:
1KVDC
Package:
UL94-V0
Miscellaneous:
No heatsink required. Industry standard pinout.
MTBF:
>1,000,000 hours
Samples available.
Isolation Resistance
OUTPUT SPECIFICATIONS
Item
1W Output Power
2W Output Power
3W Output Power
Output voltage accuracy
Load Regulation
Line Regulation
Temperature drift(Vout)
Ripple
Test Condition
See above products program
See above products program
See above products program
See above recommended circuit
From 25% to 100% Load
Input Voltage From Low to High
See recommended circuit (next page)
20Hz-300KHz bandwidth
DC-20MHz bandwidth
100% load, nominal input voltage
10% load, nominal input voltage
80
250
10
50
MIN
0.25
0.4
0.75
±1
0.2
±0.2
TYP
MAX
1
2
3
±3
0.5
±0.5
0.02
20
100
200
550
Units
W
W
W
%
%
%
%/°C
mVp-p
mVp-p
KHz
KHz
CHARACTERISTICS
Output Short Circuit Protection:
Continuous
Temperature Rise at Full Load:
25°C Max. 15°C Typ.
Cooling:
Free air convection
No-load Power Consumption:
100mW Typ.
Operating Temperature Range:
-40°C to +85°C
Storage Temperature Range:
-50°C to +125°C
Storage Humidity Range:
< 95%
Lead Temperature*:
300°C
* Lead temperature 1.5mm from case for 10 seconds.
Noise
Switching Frequency
Switching Frequency
Note: All specifications measured at TA=25°C, humidity <75%, nominal input voltage and rated output load
unless otherwise specified.
APPLICATION NOTES
Recommended Circuit
All the CTDD3214D-S DC/DC converters had been tested according to the
following recommended testing circuit before leaving factory. This series should
be tested under load. Notice: never to be tested under No load!!! (See figure 1)
If you want to further decrease the input/output ripple, you can increase
capacitance properly or choose capacitors with low ESR. However, the
capacitance should not be too high.
This DC/DC series converter input reflection ripple is common-module signal
and generally can’t interfere the input circuit.
You can use a common-module current loop in series in some special
circumstance (etc: in high EMC). (See figure 1). The recommended inductance
is 1mH and users also can select optimum inductance according to actual
application (see figure 2). If you want to use the products in high
electromagnetism compatibilty for EMI, please choose our metal case
packaged products.
05.09.05
Technologies
Manufacturer of Inductors, Chokes, Coils, Beads, Transformers & Toroids
800-684-5322
Inside US
949-453-1811
Outside US
Copyright © 2005 by CT Magnetics, DBA Central Technologies. All rights reserved.
CT Magnetics reserves the right to make improvements or change specifications without notice
CENTRAL
DC/DC Converters
ctparts.com
CTDD3214D-S Series
Wide Input, Isolated, Regulated Single Output
APPLICATION NOTES
Input Current
When operating unregulated power supplies, be sure that the
fluctuated range of the power supply and the rippled voltage do
not exceed the module standard.
Input current of the power supply should afford the startup
current (lp) of the kind of DC/DC module (See Figure 2).
Requirement on Output Load
To ensure this module can operate efficiently and reliably, a
minimum load is specified for this kind of DC/DC converter in
addition to a maximum load (namely full load). During operation,
make sure the specified range of input voltage is not exceeded
and the minimum output load is not less than 25% of the full load.
Be aware, this products
SHOULD NEVER BE OPERATED
UNDER NO LOAD!
If the actual load is below the specified
minimum load, the output ripple of this type of DC/DC converter
will increase drastically, and at the same time, efficiency and
reliability of the circuit will decrease drastically as well.
If the actual output power from the load in your circuit is very
small, please connect a resistor with proper resistance at the
output end to in parallel to increase the load, or use our other
products with a lower rated output power.
No connection in parallel and no in plug and play.
OUTLINE DIMENSIONS & PIN FUNCTIONS
PIN
1
10
11
12
13
14
15
24
32.27
0.5
24
15 1413
Function
Vin
0V
+Vo
GND
GND
+Vo
0V
Vin
9.90
15.24
1
10 1112
14.45
2.15
22.86
2.54
(Top View)
5.10
(Side View)
All dimensions in mm Tolerance: case +0.5, pin +0.25
FIGURE 1
Vin
Cin
DC-DC
Converters
Cout
OUTPUT POWER DERATING GRAPH
+Vo
120
Output Power (%)
0V
GND
Vin
L
Cin
DC-DC
Converters
Cout
0V
100
80
60
40
20
0
-40
0
120
40
71 85
Ambient Temperature (°C)
Safe Operating Area
+Vo
GND
FIGURE 2
Input Current(A)
Ip
Input Voltage
Range
Input Voltage(V)
05.09.05
Technologies
Manufacturer of Inductors, Chokes, Coils, Beads, Transformers & Toroids
800-684-5322
Inside US
949-453-1811
Outside US
Copyright © 2004 by CT Magnetics, DBA Central Technologies. All rights reserved.
CT Magnetics reserves the right to make improvements or change specifications without notice
CENTRAL
