
DC/DC Converters
ctparts.com
Manufacturer of Inductors, Chokes, Coils, Beads, Transformers & Toroids
800-684-5322
Inside US
949-453-1811
Outside US
Copyright 2006 by CT Magnetics, DBA Central Technologies. All rights reserved.
CT Magnetics reserves the right to make improvements or change specifications without notice
CENTRAL
T
SPECIFICATIONS
Vin
Nom.
(VDC)
Iout
Max.
(mA)
Iout
Min.
(mA)
Effi.
Typ.
(%)
Part
Number
Input Range
(VDC)
Vout
(VDC)
CTDD1907SF-0505-DU3K-2
CTDD1907SF-0509-DU3K-2
CTDD1907SF-0512-DU3K-2
CTDD1907SF-0515-DU3K-2
5
5
5
5
4.5-5.5
4.5-5.5
4.5-5.5
4.5-5.5
5
9
12
15
±200
±111
±83
±67
±20
±12
±9
±7
82
83
85
85
CTDD1907SF-1205-DU3K-2
CTDD1907SF-1209-DU3K-2
CTDD1907SF-1212-DU3K-2
CTDD1907SF-1215-DU3K-2
12
12
12
12
10.8-13.2
10.8-13.2
10.8-13.2
10.8-13.2
5
9
±200
±111
±83
±67
±20
±12
±9
±7
83
84
86
86
12
15
CTDD1907SF-2405-DU3K-2
CTDD1907SF-2409-DU3K-2
CTDD1907SF-2412-DU3K-2
CTDD1907SF-2415-DU3K-2
24
24
24
24
21.6-26.4
21.6-26.4
21.6-26.4
21.6-26.4
5
9
±200
±111
±83
±67
±20
±12
±9
±7
84
85
87
87
12
15
ISOLATION SPECIFICATIONS
Item
Test Condition
MIN
TYP
MAX
Units
Isolation Voltage
Tested for 1 minute
3000
VDC
M
Ω
Isolation Resistance
Test at 500VDC
1000
OUTPUT SPECIFICATIONS
Item
Test Condition
MIN
TYP
MAX
Units
2W Output Power
0.2
2
W
Line regulation
For Vin change of 1%
1.2
%
Load regulation
10% to 100% full load
10
15
%
Output voltage accuracy
See tolerance envelope graph
Temperature drift
100% full load
0.03
%/°C
2W Output ripple
20MHz Bandwidth
100
150
mVp-p
Switching frequency
Full load, nominal input
75
KHz
CTDD1907SF-DU3K-2 Series
Fixed Input Isolated & Unregulated
2W Output, Dual Output
Not shown at actual size.
FEATURES
Efficiency
: To 82%
Temperature Range:
-40°C to +85°C
Isolation:
3KVDC
Power Density:
1.42W/cm
3
Package:
UL94-V0
Miscellaneous:
No heat sink required. No external component
required. Industry standard pinout. Positive & Negative Voltage
Output. Small footprint. Full 2 watt output power. Custom service
available.
Samples available.
CHARACTERISTICS
Short Circuit Protection:
1 second
Temperature Rise at Full Load:
25°C Max. 15°C Typ.
Cooling:
Free air convection
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
Miscellaneous:
RoHS Compliant.
Note:
1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output unless
otherwise specified.
08.04.06
TYPICAL CHARACTERISTICS
+10%
Tolerance Envelope Graph
Temperature Derating Graph
Safe Operating Area
10%
50%
100%
Output Current(%)
+2.5%
120
100
60
40
20
0
-40
0
40
80
120
Ambient Temperature(
°C)
O
80
-2.5%
-7.5%
Typical Load Line
+5%
Nominal
Voltage
O
Compliant