DC/DC Converters
ctparts.com
SPECIFICATIONS
CTDD3120DF-T1K-3 Series
Vin
Nom.
(VDC)
Vin
Io1, Io2 Io1, Io2
Effi.
Typ.
(%)
Part
Number
Input Range
(VDC)
Max.* Vo1,Vo2
(VDC)
Max.
(mA)
Min.
(mA)
(VDC)
Wide Input Isolated & Regulated
3W Output, Twin Output
CTDD3120DF-050505-T1K-3
CTDD3120DF-050909-T1K-3
CTDD3120DF-051212-T1K-3
CTDD3120DF-051515-T1K-3
5
5
5
5
4.5-9.0
4.5-9.0
4.5-9.0
4.5-9.0
11
11
11
11
5
9
12
15
300
160
30
16
72
74
78
78
125
100
13
10
CTDD3120DF-120505-T1K-3
CTDD3120DF-120909-T1K-3
CTDD3120DF-121212-T1K-3
CTDD3120DF-121515-T1K-3
12
12
12
12
9.0-18
9.0-18
9.0-18
9.0-18
22
22
22
22
5
9
12
15
300
160
125
100
30
16
13
10
73
77
79
79
Not shown at actual size.
CTDD3120DF-150505-T1K-3
CTDD3120DF-150909-T1K-3
CTDD3120DF-151212-T1K-3
CTDD3120DF-151515-T1K-3
15
15
15
15
12-24
12-24
12-24
12-24
30
30
30
30
5
9
12
15
300
160
125
100
30
16
13
10
74
78
79
79
RoHS
Compliant
CTDD3120DF-240505-T1K-3
CTDD3120DF-240909-T1K-3
CTDD3120DF-241212-T1K-3
CTDD3120DF-241515-T1K-3
24
24
24
24
18-36
18-36
18-36
18-36
40
40
40
40
5
9
12
15
300
160
125
100
30
16
13
10
77
79
80
80
CTDD3120DF-480505-T1K-3
CTDD3120DF-480909-T1K-3
CTDD3120DF-481212-T1K-3
CTDD3120DF-481515-T1K-3
48
48
48
48
36-72
36-72
36-72
36-72
80
80
80
80
5
9
12
15
300
160
125
100
30
16
13
10
77
80
81
81
*If Input voltage above specified may cause permanent damage to the device
ISOLATION SPECIFICATIONS
FEATURES
Item
Test Condition
Flash tested for 1 minute
Test at 500VDC
MIN
1000
1000
TYP
MAX
Units
VDC
MΩ
Efficiency: To 85%
Isolation Voltage
Isolation Resistance
Temperature Range: -40°C to +85°C
Package: UL94-V0
Isolation: 1KVDC
OUTPUT SPECIFICATIONS
Miscellaneous: Wide (2:1) Input Range. No heat sink required.
Industry Standard Pinout. Twin Isolated Output. Custom service
available.
Item
Test Condition
MIN
TYP
MAX
3
Units
W
3W Output Power
Output voltage accuracy
Load regulation
Line regulation
Temperature drift (Vout)
Ripple
0.3
Refer to Recommended Circuit
From 10% to 100% load
1
3
%
Samples available.
0.5
0.2
1
%
Input Voltage from low to high
Refer to Temp. Derating Graph
20Hz to 300kHz Bandwidth
DC-20MHz Bandwidth
0.5
0.03
60
%
%/°C
mVp-p
mVp-p
KHz
KHz
CHARACTERISTICS
Output Short Circuit Protection: Continuous
Temperature Rise at Full Load: 30°C (Typ.)
Cooling: Free air convection
30
80
Noise
150
200
600
Switching frequency
Switching frequency
100% load, nominal input voltage
10% load, nominal input voltage
80
250
Note:
No Load, Power Consumption: 100mW (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%
1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output unless
otherwise specified.
TYPICAL CHARACTERISTICS
Case Material: Plastic (UL94-V0)
MTBF: >3,500,000 hours
Temperature Derating Graph
120
Miscellaneous: RoHS Compliant.
100
80
60
Safe Operating Area
40
20
0
0
120
40
71 85
-40
Ambient Temperature (°C)
12.20.06
Manufacturer of Passive and Discrete Semiconductor Components
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
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