B70SR24125A Datasheet, PDF (1/12 Pages) Delta Electronics, Inc. – 24V Output DC/DC Converter, Box Type Package

B70SR24125A/B/C/D
24V Output DC/DC Converter, Box Type Package
FEATURES
 Wide input voltage range, 36~106V
 300W Output
 Full Load Efficiency up to 92.5% @48Vin;
92.5%@72Vin
 Parallel Connection of multiple units
 Box type package with metal base plate
 Package Dimension:
190.0x76.0x43.5mm (7.48”x2.99”x1.71”)
 Operating Temperature Range - 40°C to +85°C
 Intergrated fuseholder (option)
 Input Reverse Polarity Protection
 Minimized Inrush current
 Input UVLO, Output OCL, Short circuit protection,
OVP, OTP
 Enable on/off (option)
 1500Vac Isolation
 IP67 Protection
 RoHs Compliant
 ISO 9001, ISO 14001 certified manufacturing facility
 UL60950-1
 CE Mark
 EMC compatible: EN12895, CISPR11 ClassB
 Electrical transient conduction: ISO7637-2
The B70SR24125, a wide input voltage range of 36~106V, and single isolated output converter, is the latest product offering from a
world leader in power systems technology and manufacturing ― Delta Electronics, Inc. Such box type DCDC converter can provide 300W,
24V regulated DC output voltage with full load efficiency up to 92.5% @72Vin; The B70SR24125 offers input UVLO, output over current limit,
short circuit, output over voltage, over temperature, and input reverse polarity protections, It has an option for intergrated fuse holder and
enable on/off function. It also has parallel function; and allows a wide operating temperature range of –40°C to +85°C. With creative design
technology and optimization of component placement, this converter possess outstanding electrical and thermal performance, as well as high
reliability under extremely harsh operating conditions. The B70SR24125 meets IP67 protecion (not include the connector and fuseholder).
Input Characteristics
Item
Condition
Min.
Typ.
Max.
Unit
Continuous Input Voltage
36
72
106
VDC
Max Input voltage
10 minutes, normal operating
126
VDC
Input Under-Voltage Lockout, Turn-On
Voltage Threshold
33
34
35
VDC
Input Under-Voltage Lockout, Turn-Off
Voltage Threshold
31
32
22
VDC
Lockout Hysteresis Voltage
1
2
3
VDC
Enable logic turn on
20
VDC
Enable logic turn off
5
VDC
Max Input Current
Vin=36V, 100% Load
9.3
10
A
Reflected input ripple current
No-Load Input Current
Off converter input current
Max Reverse Polarity Input Voltage
Max Inrush current
Vin=72V, Vpp
Vin=48V
Vin=72V, 80V
Vin=72V
0.2
A
30
50
mA
22
40
mA
8
15
mA
106
VDC
10
A
DS_B70SR24125_10222013
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http://www.deltaww.com/dcdc P1