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CTDD2727DF-S Datasheet, PDF (1/2 Pages) Central Technologies – DC/DC Converters
DC/DC Converters
ctparts.com
CTDD2727DF-S Series
Wide Input Regulated & Non-Isolated
3W~9W Output, Single Output
RoHS
Compliant
Not shown at actual size.
FEATURES
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
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.
Part
Number
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
CTDD2727DF-0705-S-5
CTDD2727DF-0712-S-5
CTDD2727DF-1205-S-5
CTDD2727DF-1209-S-5
CTDD2727DF-2405-S-5
CTDD2727DF-0712-S-9
SPECIFICATIONS
Vin
Nom.
(VDC)
Input Range
(VDC)
Vin
Max.*
(VDC)
Vout
(VDC)
Iout
Max.
(mA)
Iout Effi.
Min. Typ.
(mA) (%)
3.3
2.7-5.4
5.4
5
150
15
80
7.2
6.4-8.4
10
12
250
25
81
7.2
6.4-8.4
10
24
100
10
82
12
9-18
20
3.3
900
90
79
12
9-18
20
5
600
60
81
24
18-35
35
3.3
900
90
79
24
18-35
35
5
600
60
80
7.2
6.4-8.4
10
5
1000 100 85
7.2
6.4-8.4
10
12
417
42
85
12
9-18
20
5
1000 100 85
12
9-18
20
9
550
55
87
24
18-35
35
5
1000 100 85
7.2
6.4-8.4
10
12
750
75
86
*If Input voltage above specified may cause permanent damage to the device
Item
Isolation Voltage
Isolation Resistance
ISOLATION SPECIFICATIONS
Test Condition
MIN
TYP
Flash tested for 1 minute
0
Test at 500VDC
0
MAX
Units
VDC
MΩ
OUTPUT SPECIFICATIONS
Item
Test Condition
MIN
TYP
MAX
Units
3W Output Power
0.3
3
W
Positive voltage accuracy Refer to Recommended Circuit
±3
%
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
120
100
80
60
Safe Operating Area
40
20
0
-40 0 40 71 85 120
Ambient Temperature (°C)
CENTRAL
01.05.07
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