DS_DB02S/D_03152012 E-mail: DCDC@delta.com.tw
http://www.delta.com.tw/dcdc
Input Characteristics
Parameter Model Min. Typ. Max. Unit
5V Input Models -0.7 ---
11
12V Input Models -0.7 ---
25
24V Input Models -0.7 ---
50
Input Surge Voltage (1 sec. max.)
48V Input Models -0.7 ---
100
5V Input Models 3.5 4 4.5
12V Input Models 4.5 7 9
24V Input Models 8 12 18
Start-Up Voltage
48V Input Models 16 24 36
5V Input Models --- 3.5 4
12V Input Models --- 6.5 8.5
24V Input Models --- 11 17
Under Voltage Shutdown
48V Input Models --- 22 34
VDC
Reverse Polarity Input Current --- --- 1 A
Short Circuit Input Power --- --- 1500 mW
Internal Power Dissipation --- --- 1800 mW
Conducted EMI
All Models
Compliance to EN 55022,class A and FCC part 15,class A
Output Characteristics
Parameter Conditions Min. Typ. Max. Unit
Output Voltage Accuracy
--- ±1.0 ±2.0 %
Output Voltage Balance
Dual Output, Balanced Loads
--- ±1.0 ±2.0 %
Line Regulation
Vin=Min. to Max. --- ±0.3 ±0.5
%
Load Regulation Io=25% to 100% --- ±0.5 ±0.75 %
Ripple & Noise (20MHz) --- 30 50 mV
P-P
Ripple & Noise (20MHz) Over Line, Load & Temp. --- --- 75 mV
P-P
Ripple & Noise (20MHz) --- --- 15 mV rms
Transient Recovery Time --- 100 300 uS
Transient Response Deviation
25% Load Step Change
--- ±3 ±5 %
Temperature Coefficient --- ±0.01 ±0.02 %/℃
Short Circuit Protection Continuous
General Characteristics
Parameter Conditions Min. Typ. Max. Unit
I/O Isolation Voltage (rated) 60 Seconds 1500 --- --- VDC
I/O Isolation Resistance 500 VDC 1000 --- --- MΩ
I/O Isolation Capacitance 100KHz, 1V --- 250 420 pF
Switching Frequency --- 300 --- KHz
MTBF (calculated) MIL-HDBK-217F@25℃, Ground Benign 1,000,000 --- --- Hours
Recommended Input Fuse
5V Input Models 12V Input Models 24V Input Models 48V Input Models
1000mA Slow-Blow Type 500mA Slow-Blow Type 250mA Slow-Blow Type 120mA Slow-Blow Type
Environmental Characteristics
Parameter Conditions Min. Max. Unit
Operating Temperature Range (with Derating)
Ambient -40 +80 ℃
Case Temperature
--- +90 ℃
Storage Temperature Range
-55 +105 ℃
Humidity (non condensing)
--- 95 % rel. H
Cooling Free-Air convection
Lead Temperature (1.5mm from case for 10Sec.) --- 260 ℃
P2