DC/DC Converters
ctparts.com
SPECIFICATIONS
CTDD1105S-S Series
Fixed Input Isolated & Unregulated
1W Output, Single Output
Part
Number
CTDD1105S-0301S-1
CTDD1105S-0505S-1
CTDD1105S-0509S-1
CTDD1105S-0512S-1
CTDD1105S-0515S-1
CTDD1105S-1205S-1
CTDD1105S-1209S-1
CTDD1105S-1212S-1
CTDD1105S-1215S-1
CTDD1105S-2405S-1
CTDD1105S-2409S-1
CTDD1105S-2412S-1
CTDD1105S-2415S-1
Vin Nom.
3.3VDC
5VDC
5VDC
5VDC
5VDC
12VDC
12VDC
12VDC
12VDC
24VDC
24VDC
24VDC
24VDC
Input Range
2.97-3.63VDC
4.5-5.5VDC
4.5-5.5VDC
4.5-5.5VDC
4.5-5.5VDC
10.8-13.2VDC
10.8-13.2VDC
10.8-13.2VDC
10.8-13.2VDC
21.6-26.4VDC
21.6-26.4VDC
21.6-26.4VDC
21.6-26.4VDC
Vout
1.5VDC
5VDC
9VDC
12VDC
15VDC
5VDC
9VDC
12VDC
15VDC
5VDC
9VDC
12VDC
15VDC
Iout
Max.
(mA)
666
200
111
83
67
200
111
83
67
200
111
83
67
Iout
Min.
(mA)
66
20
12
9
7
20
12
9
7
20
12
9
7
Effi(Typ.)
55%
78%
79%
80%
78%
78%
80%
81%
79%
79%
80%
81%
79%
Not shown at actual size.
ISOLATION SPECIFICATIONS
Item
Isolation Voltage
Isolation Resistance
Test Condition
Tested for 1 minute
Test at 500VDC
MIN
1000
1000
TYP
MAX
Units
VDC
MΩ
FEATURES
Efficiency:
To 80%
Temperature Range:
-40°C to 85°C
Isolation:
1KVDC
Package:
UL94-V0
Miscellaneous:
Single Output Voltage. No heatsink required. No
external components required. Industry standard pinout. Small
footprint. Custom service available.
Samples available.
Item
Output Power
Line regulation
Load regulation
Output voltage accuracy
Temperature drift
Output ripple
Switching frequency
OUTPUT SPECIFICATIONS
Test Condition
For Vin change of 1%
10% to 100% full load
See tolerance envelope graph
100% full load
20MHz Bandwidth
Full load, nominal input
100
50
150
0.03
75
200
%/°C
mVp-p
KHz
MIN
0.1
TYP
MAX
1
1.2
15
Units
W
%
%
Note:
1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output unless
otherwise specified.
TYPICAL CHARACTERISTICS
CHARACTERISTICS
Short Circuit Protection:
1 second
Temperature Rise at Full Load:
25°C Max. 15°C Typ.
Cooling:
Free air convection
No Load Power consumption:
10% nominal power (typical)
Operating Temperature Range:
-40°C to +85°C
Storage Temperature Range:
-55°C to +125°C
Lead Temperature:
300°C (1.5mm from case for 10 seconds)
Storage Humidity Range:
< 95%
Case Material:
Plastic (UL94-V0)
MTBF:
>1,000,000 hours
Tolerance Envelope Graph
Temperature Derating Graph
+10%
+5%
Nominal
Voltage
120
100
80
60
Typic
a
l Load
Line
+2.5%
-2.5%
-7.5%
Output Voltage(%)
Output Power(%)
10%
50%
100%
40
20
0
-40
Safe Operating Area
0
40
80
120
Output Current(%)
Ambient Temperature(°C)
07.05.05
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
CTDD1105S-S Series
Fixed Input Isolated & Unregulated
1W Output, Single Output
OUTLINE DIMENSIONS & RECOMMENDED FOOTPRINT DETAILS
CTDD1105S-S Package
11.50
CTDD1105S-S Footprint
ø1.00+0.15/-0
2.54
7.50
Side View
2.54
1
4.10
2 3
4
1.9
7.62
1.80
5.90
1
2
3
4
Bottom View
Note: All pins on a 2.54mm pitch; All pin diameters are 0.50mm; all dimensions in mm
PIN CONNECTIONS
Pin
1
2
3
4
Function
GND
Vin
0V
+Vo
1
2
3
4
07.05.05
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
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