DC/DC Converters
ctparts.com
SPECIFICATIONS
CTDD2727DF-S Series
Not shown at actual size.
RoHS
Compliant
Input Range
(VDC)
Vin
Max.*
(VDC)
Vout
(VDC)
CTDD2727DF-0305-S-3
CTDD2727DF-0712-S-3
CTDD2727DF-0724-S-3
CTDD2727DF-1203-S-3
CTDD2727DF-1205-S-3
CTDD2727DF-2403-S-3
CTDD2727DF-2405-S-3
3.3
7.2
7.2
12
12
24
24
2.7-5.4
6.4-8.4
6.4-8.4
9-18
9-18
18-35
18-35
5.4
10
10
20
20
35
35
5
12
24
3.3
5
3.3
5
CTDD2727DF-0705-S-5
CTDD2727DF-0712-S-5
CTDD2727DF-1205-S-5
CTDD2727DF-1209-S-5
CTDD2727DF-2405-S-5
7.2
7.2
12
12
24
6.4-8.4
6.4-8.4
9-18
9-18
18-35
10
10
20
20
35
CTDD2727DF-0712-S-9
Wide Input Regulated & Non-Isolated
3W~9W Output, Single Output
Vin
Nom.
(VDC)
7.2
6.4-8.4
10
Part
Number
Iout
Max.
(mA)
Iout
Min.
(mA)
Effi.
Typ.
(%)
150
250
100
900
600
900
600
15
25
10
90
60
90
60
80
81
82
79
81
79
80
5
12
5
9
5
1000
417
1000
550
1000
100
42
100
55
100
85
85
85
87
85
12
750
75
86
*If Input voltage above specified may cause permanent damage to the device
ISOLATION SPECIFICATIONS
Item
Test Condition
MIN
Isolation Voltage
Flash tested for 1 minute
0
VDC
Test at 500VDC
0
MΩ
Isolation Resistance
TYP
MAX
Units
OUTPUT SPECIFICATIONS
FEATURES
Item
Efficiency: To 85%
Temperature Range: -20°C to +71°C
Package: UL94-V0
Miscellaneous: Wide (2:1) Input Range. No heat sink required.
Industry Standard Pinout. Single Output. Custom service
available.
Samples available.
CHARACTERISTICS
Test Condition
3W Output Power
MAX
Units
3
W
±3
%
Refer to Recommended Circuit
Load regulation
From 10% to 100% load
±0.5
%
Line regulation
Input Voltage from low to high
±0.3
%
Temperature drift (Vout)
Refer to Temp. Derating Graph
0.03
%/°C
Ripple
20Hz to 300kHz Bandwidth
30
50
mVp-p
Noise
DC-20MHz Bandwidth
80
150
mVp-p
Switching frequency
100% load, nominal input voltage
100
400
KHz
Note:
1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output unless
otherwise specified.
TYPICAL CHARACTERISTICS
Temperature Derating Graph
Output Power (%)
120
100
80
60
40
Safe Operating Area
20
0
-40
0
120
40
71 85
Ambient Temperature (°C)
01.05.07
Technologies
TYP
0.3
Positive voltage accuracy
Output Short Circuit Protection: Continuous
Temperature Rise at Full Load: 30°C (Typ.)
Cooling: Free air convection
No Load, Power Consumption: 500mW (typical)
Operating Temperature Range: -20°C to +71°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.
CENTRAL
MIN
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
