
DC/DC Converters
ctparts.com
Manufacturer of Passive Components
800-684-5322 Inside US
949-453-1811 Outside US
Copyright 2009 by CT Magnetics, DBA Central Technologies. All rights reserved.
CT Magnetics reserves the right to make improvements or change specifications without notice
CENTRAL
TECHNOLOGIES
Vin
Iout
Capacitor
Effi.
Part
Nom.
Input Range
Max.*
Vout
Min
.**
Load Max.
Typ.
Number
(VDC)
(mA)
(F)
(%)
CTDD5025DF-2403-30M_
24
18-36
40
3.3
6000
6800
84
CTDD5025DF-2405-30M_
24
18-36
40
5
6000
6800
86
CTDD5025DF-2412-30M_
24
18-36
40
12
2500
680
87
CTDD5025DF-2415-30M_
24
18-36
40
15
2000
680
87
CTDD5025DF-4803-30M_
48
36-75
80
3.3
6000
6800
84
CTDD5025DF-4805-30M_
48
36-75
80
5
6000
6800
86
CTDD5025DF-4812-30M_
48
36-75
80
12
2500
680
88
CTDD5025DF-2815-30M_
48
36-75
80
15
2000
680
87
*If Input voltage above specified may cause permanent damage to the device
**Minumum operating current for 10% of rated current, if less than 10% rated current, output ripple may
increase rapidly, the amplitude
< 1V.
INPUT SPECIFICATIONS
OUTPUT SPECIFICATIONS
CTDD5025DF-30M Series
Wide Input Isolated & Regulated
30W Single Output
Not shown at actual size.
FEATURES
Efficiency: To 88%
Temperature Range: -40°C to +85°C
I/O-Isolation: 1.5KVDC
Miscellaneous: Six-sided metal shield. Internal SMD
construction. Industry standard pin out. 2:1 wide input voltage
range.
Samples available.
08.12.09
RoHS
Compliant
SPECIFICATIONS
Please specify “H” for heat sink mounted.
Example: CTDD5025DF-2403-30MH
Item
Test conditions
Min.
Typ.
Max.
Units
Start-up time
10
ms
Under Voltage lock off
Nominal
(24V)
Models ON
17.8
VDC
Models OFF
16
Nominal
(48V)
Models ON
35.8
Models OFF
33
Input Filter
L-C
Ctrl
Models ON
3-40VDC
Models OFF
0-1.2VDC
Input Current (Models OFF)
1
mA
Item
Test conditions
Min.
Typ.
Max.
Units
Output Power
30
W
Output Voltage Accuracy
Refer to recommended circuit
±1
±3
%
Load Regulation
From 10% to 100% load
Nominal Input
±0.5
±1
Line Regulation
Input Voltage from low to high
100 % load
±0.2
±0.5
Ripple and Noise
20MHz Bandwidth
50
120
mV
Transistent Recovery Time
25% - 50% - 25% load or
50% - 75% - 50% load step change
200
500
s
Transistent Peak Deciation
±5
%
Over Current Protection
Input Voltage Range
130
150
%
Short Circuit Protection
Input Voltage Range
Hiccup, automatic recovery
Over Voltage Protection
3.3V output
3.9
VDC
5V output
6.2
12V output
15
15V output
18
Temperatue Drift (Vout)
±0.02
%/°C
Trim
±10%Vo
VDC
Storage Humidity Range: < 95%
Short Circuit Protection: Automatic Recovery
Operating Temperature Range: -40°C to +85°C
Storage Temperature Range: -55°C to +125°C
Temperature Rise at Full Load: 80°C (Max.)
Lead Temperature: 300°C (1.5mm from case for 10 seconds)
Isolation Voltage: 1500VDC (Test for 1 minute and 1mA max.)
Isolation Resistance: 1000M
Ω min. (Test at 500VDC)
Isolation Capacitance: 1000pF typ. at 100kHz/0.1V
Switching Frequency: 350kHz typ.
Cooling: Free air convection
Case Material: Nickle-coated copper (six-sided)
MTBF: >1,000,000 hours
Miscellaneous: RoHS Compliant.
CHARACTERISTICS