DC/DC Converters
ctparts.com
SPECIFICATIONS
CTDD1105SF-S3K Series
Fixed Input Isolated & Unregulated
1W Output, Single Output
Part
Number
CTDD1105SF-0303S3K-1
CTDD1105SF-0305S3K-1
CTDD1105SF-0503S3K-1
CTDD1105SF-0505S3K-1
CTDD1105SF-0509S3K-1
CTDD1105SF-0512S3K-1
CTDD1105SF-0515S3K-1
CTDD1105SF-1203S3K-1
CTDD1105SF-1205S3K-1
CTDD1105SF-1209S3K-1
CTDD1105SF-1212S3K-1
CTDD1105SF-1215S3K-1
Vin Nom.
3.3VDC
3.3VDC
5VDC
5VDC
5VDC
5VDC
5VDC
12VDC
12VDC
12VDC
12VDC
12VDC
Input Range
3.0-3.6VDC
3.0-3.6VDC
4.5-5.5VDC
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
10.8-13.2VDC
Vout
3.3VDC
5VDC
3.3VDC
5VDC
9VDC
12VDC
15VDC
3.3VDC
5VDC
9VDC
12VDC
15VDC
Iout
Max.
(mA)
300
200
300
200
111
83
67
300
200
111
83
67
Iout
Min.
(mA)
30
20
30
20
12
9
7
30
20
12
9
7
Effi(Typ.)
72%
74%
73%
78%
76%
79%
79%
74%
70%
73%
74%
75%
Not shown at actual size.
Compliant
RoHS
ISOLATION SPECIFICATIONS
Item
Isolation Voltage
Isolation Resistance
Test Condition
Tested for 1 minute
Test at 500VDC
MIN
3000
1000
TYP
MAX
Units
VDC
MΩ
OUTPUT SPECIFICATIONS
Item
Test Condition
For Vin change of 1%(3.3V output)
For Vin change of 1%(others)
10% to 100% full load(3.3V output)
10% to 100% full load(others)
See tolerance envelope graph
100% full load
20MHz Bandwidth
20MHz Bandwidth
Full load, nominal input voltage
50
75
100
0.03
75
150
%/°C
mVp-p
mVp-p
KHz
13
10
MIN
0.1
TYP
MAX
1
1.5
1.2
20
15
Units
W
%
%
%
%
FEATURES
Efficiency:
To 79%
Temperature Range:
-40°C to 85°C
Isolation:
3KVDC
Package:
UL94-V0
Miscellaneous:
Single Output Voltage. No heatsink required. No
external component required. Industry standard pinout. Small
footprint. Fixed Input Voltage. Power Density 0.85W/cm
3
.
Unregulated Output Voltage. Fully Encapsulated. Custom service
available.
Samples available.
Output Power
Line regulation
Line regulation
Load regulation
Load regulation
Output voltage accuracy
Temperature drift
Output ripple
Noise
Switching frequency
Note:
1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output load
unless otherwise specified.
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:
>3,500,000 hours
TYPICAL CHARACTERISTICS
Tolerance Envelope Graph
Temperature Derating Graph
Typic
a
l Load
Line
+2.5%
-2.5%
-7.5%
Output Power(%)
Output Voltage(%)
+10%
+5%
Nominal
Voltage
120
100
80
60
10%
50%
100%
40
20
0
-40
Safe Operating Area
0
40
80
120
Output Current(%)
Ambient Temperature(°C)
02.28.08
Technologies
Manufacturer of Passive and Discrete Semiconductor Components
800-684-5322
Inside US
949-453-1811
Outside US
Copyright © 2008 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
CTDD1105SF-S3K Series
Fixed Input Isolated & Unregulated
1W Output, Single Output
OUTLINE DIMENSIONS & RECOMMENDED FOOTPRINT DETAILS
CTDD1105SF-S3K Package
11.50
CTDD1105SF-S3K 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
Tolerances:
±0.25mm
PIN CONNECTIONS
Pin
1
2
3
4
Function
GND
Vin
0V
+Vo
1
2
3
4
02.28.08
Technologies
Manufacturer of Passive and Discrete Semiconductor Components
800-684-5322
Inside US
949-453-1811
Outside US
Copyright © 2008 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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