DC/DC Converters
ctparts.com
SPECIFICATIONS
CTDD3120DF-S3K-3 Series
Vin
Nom.
(VDC)
Vin
Max.*
(VDC)
Iout
Max.
(mA)
Iout
Min.
(mA)
Effi.
Typ.
(%)
Part
Number
Input Range
(VDC)
Vout
(VDC)
Wide Input Isolated & Regulated
3W Output, Single Output
CTDD3120DF-0505-S3K-2W5
CTDD3120DF-0509-S3K-3
CTDD3120DF-0512-S3K-3
CTDD3120DF-0515-S3K-3
5
5
5
5
4.5-9
4.5-9
4.5-9
4.5-9
11
11
11
11
5
9
12
15
500
330
250
200
50
33
25
20
74
75
76
78
CTDD3120DF-1205-S3K-2W5 12
9-18
9-18
9-18
9-18
22
22
22
22
5
9
12
15
500
330
250
200
50
33
25
20
78
79
80
81
CTDD3120DF-1209-S3K-3
CTDD3120DF-1212-S3K-3
CTDD3120DF-1215-S3K-3
12
12
12
Not shown at actual size.
CTDD3120DF-1505-S3K-2W5 15
12-24
12-24
30
30
5
9
500
330
50
33
77
80
CTDD3120DF-1509-S3K-3
15
CTDD3120DF-1512-S3K-3
CTDD3120DF-1515-S3K-3
15
15
12-24
12-24
30
30
12
15
250
200
25
20
82
83
RoHS
Compliant
CTDD3120DF-2405-S3K-2W5 24
18-36
18-36
18-36
18-36
40
40
40
40
5
9
12
15
500
330
250
200
50
33
25
20
78
82
82
83
CTDD3120DF-2409-S3K-3
CTDD3120DF-2412-S3K-3
CTDD3120DF-2415-S3K-3
24
24
24
CTDD3120DF-4805-S3K-2W5 48
36-72
36-72
36-72
36-72
80
80
80
80
5
9
12
15
500
330
250
200
50
33
25
20
78
82
82
83
CTDD3120DF-4809-S3K-3
CTDD3120DF-4812-S3K-3
CTDD3120DF-4815-S3K-3
48
48
48
*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
3000
1000
TYP
MAX
Units
VDC
MΩ
Efficiency: To 83%
Isolation Voltage
Isolation Resistance
Temperature Range: -40°C to +85°C
Isolation: 3KVDC
Package: UL94-V0
OUTPUT SPECIFICATIONS
Miscellaneous: Wide (2:1) Input Range. Single Output. No heat
sink required. Industry Standard Pinout. Custom service available.
Samples 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
%
0.5
0.2
0.75
0.5
0.03
60
%
CHARACTERISTICS
Output Short Circuit Protection: Continuous
Temperature Rise at Full Load: 30°C (Typ.)
Cooling: Free air convection
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%
Input Voltage from low to high
Refer to Temp. Derating Graph
20Hz to 300KHz Bandwidth
DC-20MHz Bandwidth
%
%/°C
mVp-p
mVp-p
KHz
KHz
30
80
Noise
150
200
600
Switching frequency
Switching frequency
Note:
100% load, nominal input voltage
10% load, nominal input voltage
80
250
1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output unless
otherwise specified.
Case Material: Plastic (UL94-V0)
MTBF: >3,500,000 hours
Miscellaneous: RoHS Compliant.
TYPICAL CHARACTERISTICS
Temperature Derating Graph
120
100
80
60
Safe Operating Area
40
20
0
0
120
40
71 85
-40
Ambient Temperature (°C)
12.14.06
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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