Input Characteristics
Parameter
Model
Min.
-0.7
-0.7
4.5
8.5
---
Typ.
---
---
6
12
---
Max.
50
100
8.5
17
Unit
24V Input Models
48V Input Models
24V Input Models
48V Input Models
24V Input Models
48V Input Models
Input Surge Voltage (1 sec. max.)
Start-Up Voltage
VDC
8
16
Under Voltage Shutdown
---
---
Reverse Polarity Input Current
Short Circuit Input Power
Internal Power Dissipation
Conducted EMI
---
---
---
---
1000
---
1
2000
2500
A
mW
mW
All Models
Compliance to EN 55022,class A and FCC part 15,class A
Output Characteristics
Parameter
Output Voltage Accuracy
Output Voltage Balance
Line Regulation
Conditions
Min.
---
---
---
---
---
---
---
---
Typ.
±0.5
±0.5
±0.2
±0.3
50
---
---
150
±2
±0.01
TBD
Max.
±1.0
±2.0
±0.5
±1.0
75
100
15
500
---
Unit
%
%
%
%
mV P-P
mV P-P
mV rms
uS
%
%/℃
%
Dual Output, Balanced Loads
Vin=Min. to Max.
Load Regulation
Io=10% to 100%
Ripple & Noise (20MHz)
Ripple & Noise (20MHz)
Ripple & Noise (20MHz)
Transient Recovery Time
Transient Response Deviation
Temperature Coefficient
Over Load Protection
Short Circuit Protection
Over Line, Load & Temp.
25% Load Step Change
Foldback
---
---
120
±0.02
---
Continuous
General Characteristics
Parameter
I/O Isolation Voltage (rated)
I/O Isolation Resistance
I/O Isolation Capacitance
Switching Frequency
MTBF (calculated)
Conditions
60 Seconds
500 VDC
Min.
1500
1000
---
Typ.
---
---
380
350
---
Max.
---
---
500
---
---
Unit
VDC
MΩ
pF
KHz
Hours
100KHz, 1V
---
MIL-HDBK-217F@25℃, Ground Benign
1,000,000
Safety Approvals
UL/cUL 60950-1 recognition(UL certificate), IEC/EN 60950-1
Recommended Input Fuse
24V Input Models
48V Input Models
1000mA Slow-Blow Type
500mA Slow-Blow Type
Environmental Characteristics
Parameter
Operating Temperature Range
(with Derating)
Conditions
Ambient
Min.
-40
Max.
+85
Unit
℃
Case Temperature
---
-50
---
+90
+125
95
℃
℃
Storage Temperature Range
Humidity (non condensing)
Cooling
% rel. H
Free-Air convection
Lead Temperature
(1.5mm from case for 10Sec.)
---
260
℃
DS_DF04S/D_03152012
E-mail: DCDC@delta.com.tw
http://www.delta.com.tw/dcdc
P2