
DC/DC Converters
ctparts.com
Manufacturer of Passive and Discrete Semiconductor Components
800-684-5322 Inside US
949-453-1811 Outside US
Copyright 2007 by CT Magnetics, DBA Central Technologies. All rights reserved.
CT Magnetics reserves the right to make improvements or change specifications without notice
CENTRAL Technologies
SPECIFICATIONS
Iout
Effi.
Part
Vin Nom.
Input Range
Vout
Max.
Min.
Typ.
Number
(VDC)
(mA)
(%)
CTDD1105SF-0303S-1
3.3
3.0-3.6
3.3
303
30
70
CTDD1105SF-0505S-1
5
4.5-5.5
5
200
20
70
CTDD1105SF-0509S-1
5
4.5-5.5
9
111
12
75
CTDD1105SF-0512S-1
5
4.5-5.5
12
83
9
79
CTDD1105SF-0515S-1
5
4.5-5.5
15
67
7
80
CTDD1105SF-1205S-1
12
10.8-13.2
5
200
20
72
CTDD1105SF-1209S-1
12
10.8-13.2
9
111
12
75
CTDD1105SF-1212S-1
12
10.8-13.2
12
83
9
78
CTDD1105SF-1215S-1
12
10.8-13.2
15
67
7
80
ISOLATION SPECIFICATIONS
Item
Test Condition
MIN
TYP
MAX
Units
Isolation Voltage
Tested for 1 minute
1000
VDC
Isolation Resistance
Test at 500VDC
1000
M
Ω
OUTPUT SPECIFICATIONS
Item
Test Condition
MIN
TYP
MAX
Units
Output Power
0.1
1
W
Line regulation
For Vin change of 1%
1.2
%
Load regulation
10% to 100% full load
15
%
Output voltage accuracy
See tolerance envelope graph
Temperature drift
100% full load
0.03
%/°C
Output ripple
20MHz Bandwidth
50
75
mVp-p
Noise
20MHz Bandwidth
75
150
mVp-p
Switching frequency
Full load, nominal input
100
KHz
CTDD1105SF-S
Series
Fixed Input Isolated & Unregulated
1W Output, Single Output
Not shown at actual size.
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. PCB Mounting. Miniature SIP package style.
Samples available.
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
Note:
1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output unless
otherwise specified.
05.14.07
TYPICAL CHARACTERISTICS
+10%
Tolerance Envelope Graph
Temperature Derating Graph
Safe Operating Area
10%
50%
100%
Output Current(%)
+2.5%
120
60
40
20
0
-40
0
40
80
120
Ambient Temperature(°C)
Output
Power(%)
80
100
-2.5%
-7.5%
Typical
Load
Line
+5%
Nominal
Voltage
Output
V
olt
age(%)
RoHS
Compliant