DC/DC Converters
ctparts.com
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
CENTRAL Technologies
SPECIFICATIONS
Vin
Iout
Effi.
Part
Nom.
Input Range
Max.*
Vout
Max.
Min.
Typ.
Number
(VDC)
(mA)
(%)
CTDD3120DF-0505-S1K-2W5
5
4.5-9
11
5
500
50
70
CTDD3120DF-0509-S1K-3
5
4.5-9
11
9
330
33
72
CTDD3120DF-0512-S1K-3
5
4.5-9
11
12
250
25
73
CTDD3120DF-0515-S1K-3
5
4.5-9
11
15
200
20
75
CTDD3120DF-1203-S1K-3
12
9-18
22
3.3
909
91
70
CTDD3120DF-1205-S1K-2W5
12
9-18
22
5
500
50
70
CTDD3120DF-1209-S1K-3
12
9-18
22
9
330
33
75
CTDD3120DF-1212-S1K-3
12
9-18
22
12
250
25
76
CTDD3120DF-1215-S1K-3
12
9-18
22
15
200
20
78
CTDD3120DF-1505-S1K-2W5
15
12-24
30
5
500
50
71
CTDD3120DF-1509-S1K-3
15
12-24
30
9
330
33
74
CTDD3120DF-1512-S1K-3
15
12-24
30
12
250
25
76
CTDD3120DF-1515-S1K-3
15
12-24
30
15
200
20
76
CTDD3120DF-2405-S1K-2W5
24
18-36
40
5
500
50
70
CTDD3120DF-2409-S1K-3
24
18-36
40
9
330
33
75
CTDD3120DF-2412-S1K-3
24
18-36
40
12
250
25
81
CTDD3120DF-2415-S1K-3
24
18-36
40
15
200
20
81
CTDD3120DF-4805-S1K-2W5
48
36-72
80
5
500
50
78
CTDD3120DF-4805-S1K-3
48
36-72
80
5
600
60
81
CTDD3120DF-4809-S1K-3
48
36-72
80
9
330
33
82
CTDD3120DF-4812-S1K-3
48
36-72
80
12
250
25
82
CTDD3120DF-4815-S1K-3
48
36-72
80
15
200
20
83
*If Input voltage above specified may cause permanent damage to the device
ISOLATION SPECIFICATIONS
Item
Test Condition
MIN
TYP
MAX
Units
Isolation Voltage
Flash tested for 1 minute
1000
VDC
Isolation Resistance
Test at 500VDC
1000
M
Ω
OUTPUT SPECIFICATIONS
Item
Test Condition
MIN
TYP
MAX
Units
3W Output Power
0.3
3
W
Output voltage accuracy
Refer to Recommended Circuit
±1
±3
%
Load regulation
From 10% to 100% load
±0.5
±0.75
%
Line regulation
Input Voltage from low to high
±0.2
±0.5
%
Temperature drift (Vout)
Refer to Temp. Derating Graph
0.03
%/°C
Ripple
20Hz to 300KHz Bandwidth
30
60
mVp-p
Noise
DC-20MHz Bandwidth
80
150
mVp-p
Switching frequency
100% load, nominal input voltage
80
200
KHz
Switching frequency
10% load, nominal input voltage
250
600
KHz
CTDD3120DF-S1K-3 Series
Wide Input Isolated & Regulated
3W Output, Single Output
Not shown at actual size.
FEATURES
Efficiency: To 85%
Temperature Range: -40°C to +85°C
Isolation: 1KVDC
Package: UL94-V0
Miscellaneous: Wide (2:1) Input Range. Single Output. No heat
sink required. Industry Standard Pinout. Custom service available.
Samples available.
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%
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.
12.14.06
TYPICAL CHARACTERISTICS
120
80
60
40
20
0
-40
0
40
71 85
120
Ambient Temperature (°C)
Output
Power
(%
)
100
Safe Operating Area
RoHS
Compliant
Temperature Derating Graph