DS_PH02S/D_03152012 E-mail: DCDC@delta.com.tw
http://www.delta.com.tw/dcdc
Input Characteristics
Parameter Model Min. Typ. Max. Unit
24V Input Models
-0.7 ---
50
Input Surge Voltage (1 sec. max.)
48V Input Models
-0.7 ---
100
24V Input Models 4.5 6 8.5
Start-Up Voltage
48V Input Models 8.5 12 17
24V Input Models --- --- 8
Under Voltage Shutdown
48V Input Models --- --- 16
VDC
Reverse Polarity Input Current
--- --- 0.5 A
Short Circuit Input Power
--- --- 1500 mW
Input Filter
Capacitor type
Internal Power Dissipation
All Models
--- --- 2500 mW
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 %/℃
Output Short Circuit 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 --- 250 500 pF
Switching Frequency --- 300 --- KHz
MTBF (Calculated) MIL-HDBK-217F@25℃, Ground Benign 1,000,000 --- --- Hours
Recommended Input Fuse
24V Input Models 48V Input Models
350mA Slow-Blow Type 135mA Slow-Blow Type
Remote On/Off Control
Parameter Conditions Min. Typ. Max. Unit
Converter On Under 0.6 VDC or Open Circuit, drops down to 0VDC by 2mV/℃
Converter Off 2.9 to 15 VDC
Standby Input Current --- 1 3 mA
Control Input Current ( on ) Vin = 0V --- --- -1 mA
Control Input Current ( off ) Vin = 5.0V --- --- 1 mA
Control Common Referenced to Negative Input
Environmental S
ecifications
Parameter Conditions Min. Max. Unit
Operating Temperature Range (with Derating) Ambient -40 +85 ℃
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 --- 260 ℃
P2