English
Language : 

CTDD3220DF-D1.5K-3W Datasheet, PDF (1/2 Pages) Central Technologies – DC/DC Converters
DC/DC Converters
ctparts.com
CTDD3220DF-D1.5K-3W
Series
4:1 Wide Input Isolated & Regulated
3W Output, Dual Output
Not shown at actual size.
SPECIFICATIONS
Part
Number
Vin
Nom.
(VDC)
CTDD3220DF-2405-D1.5K-3W 24
CTDD3220DF-2412-D1.5K-3W 24
CTDD3220DF-2415-D1.5K-3W 24
CTDD3220DF-4805-D1.5K-3W 48
CTDD3220DF-4812-D1.5K-3W 48
CTDD3220DF-4815-D1.5K-3W 48
Input
Range
(VDC)
9-36
9-36
9-36
18-72
18-72
18-72
Vin
Max.*
(VDC)
40
40
40
80
80
80
Vout
(VDC)
±5
±12
±15
±5
±12
±15
Iout
Max.
(mA)
±300
±125
±100
±300
±125
±100
Iout
Min.
(mA)
±30
±12
±10
±30
±12
±10
Effi.
Typ.
(%)
74
81
81
77
84
82
*If Input voltage above specified may cause permanent damage to the device
RoHS
Compliant
FEATURES
Efficiency: To 82%
Temperature Range: -40°C to +85°C
Isolation: 1.5KVDC
Package: UL94-V0
Miscellaneous: Wide (4:1) Input Range. Dual Output. No heat
sink required. Continuous Short Circuit Protection.
Samples available.
CHARACTERISTICS
Output Short Circuit Protection: Continuous
Temperature Rise at Full Load: 30°C (Typ.)
Cooling: Free air convection
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: Pastic (UL94-V0)
MTBF: >1,000,000 hours
Miscellaneous: RoHS Compliant.
Item
Isolation Voltage
Isolation Resistance
ISOLATION SPECIFICATIONS
Test Condition
MIN
TYP
Flash tested for 1 minute
1500
Test at 500VDC
1000
MAX
Units
VDC
MΩ
OUTPUT SPECIFICATIONS
Item
Test Condition
MIN
TYP
MAX
Units
3W Output Power
0.3
3
W
Voltage accuracy
Refer to Recommended Circuit
±1
±3
%
Load regulation
From 10% to 100% load
±2
%
Line regulation
Input Voltage from low to high
±1
%
Temperature drift (Vout) Refer to Temp. Derating Graph
0.03
%/°C
Ripple
20Hz to 300KHz Bandwidth
40
mVp-p
Noise
DC-20MHz Bandwidth
100
mVp-p
Switching frequency
100-650(PFM)
KHz
Isolation Capacitance
150
PF
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
Operating Temperature (°C)
CENTRAL
01.31.07
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