DCCE24S2428-1000
28 Watts
Bidirectional DC/DC Converter
Single Output
Rev A
FEATURES
• Bidirectional DC/DC Converter
• High Efficiency
• Continuous Short Circuit Protection
• 3KVDC Isolation
• Constant Voltage and Constant
Current Mode
• RoHS Compliant
• EN62368-1 Safety Approval
APPLICATIONS
• Process Control
• Electric Power
Instrumentation
• Super Cap. Application
• Energy Storage
Systems
• Electric Vehicles
• Battery Management
Systems
DESCRIPTION
The DCCE24S22428-1000 model of bidirectional DC/DC
converters offers 28 watts of output power in a very compact
through hole package. This is a single output model with
constant voltage and constant current mode and an input
voltage of 15-36VDC. It features high efficiency, 3KVDC
isolation, and short circuit protection. The DCCE24S2428-
1000 model is also RoHS compliant. Please note that this is
a preliminary publication. Contact factory for ordering
information.
Size: 2in x 1in x 0.47in (50.8mm x 25.4mm x 12mm)
MODEL SELECTION TABLE
Model Number
Direction
Forward
Input Voltage Range
CV Output Voltage CC Output Current Ripple & Noise Efficiency Output Power
28VDC
(15-36VDC)
24VDC
24VDC
28VDC
1000mA
1000mA
DCCE24S2428-1000
200mVp-p
86%
28W
Reverse
(15-36VDC)
SPECIFICATIONS
All specifications are based on 25°C after warm-up time, Nominal Input Voltage, and Full Load unless otherwise noted.
We reserve the right to change specifications based on technological advances.
SPECIFICATION
TEST CONDITIONS
Min
Typ
Max
Unit
INPUT SPECIFICATIONS
Forward Nominal VIN=28VDC
Input Voltage Range
Start-Up Voltage
15
9
36
VDC
VDC
mA
Reverse Nominal VIN=24VDC
Forward/Reverse
Forward
50
70
No Load Input Voltage
Reverse
Input Surge Voltage
Disable Static Current
Input Filter
0.1s Max.
EN pin to open
50
5
VDC
mA
2
Pi Type
Under Voltage Lockout
OUTPUT SPECIFICATIONS
Forward/Reverse
8
VDC
Forward
Reverse
3
3
22.8
26.6
Output Voltage Range
VDC
%
Forward Io=900mA
Reverse Io=900mA
Forward Vo=22.8VDC
Reverse Vo=26.6VDC
Forward Io=0-900mA
Reverse Io=0-900mA
Forward Vo=3-22.8VDC
Reverse Vo=3-26.6VDC
Forward Io=900mA
Reverse Io=900mA
Forward Vo=22.8VDC
Reverse Vo=226.6VDC
Forward
Voltage Accuracy (at CV mode)
Current Accuracy (at CC mode)
Voltage Load Regulation (at CV mode)
Current Load Regulation (at CC mode)
±5
±10
±3
%
%
±5
%
Voltage Line Regulation
(LL-HL at CV mode)
Current Line Regulation
(LL-HL at CC mode)
±2
%
±2
%
0
0
900
900
0
Output Current Range (at CV mode)
mA
Reverse
Minimum Load
%
Operating Frequency
100% Load at all input range
Nominal Vin
400
100
KHz
mVp-p
Ripple & Noise(1)
200
Transient Response Recovery Time
Start-Up Time
150
mS
Temperature Coefficient
0.05
%/ºC
Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 •
Fax 603-778-9797
4/26/2018
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website: www.wallindustries.com • e-mail: sales@wallindustries.com