DVHF2800S Series
SPECIFICATIONS (TCASE = -55°C to +125°C, VIN = +28V ± 5%, Full Load, Unless Otherwise Specified)
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Continuous)
Input Voltage (Transient, 1 second)
Output Power1
50 VDC
80 Volts
Junction Temperature Rise to Case
Storage Temperature
+12°C
-65°C to +150°C
20 Watts
Lead Solder Temperature (10 seconds)
270°C
Power Dissipation (Full Load, TCASE = +125°C) 6 Watts
Weight (Maximum) (Un-Flanged / Flanged)
(24 / 27) Grams
DVHF283R3S
Typ
DVHF2805S
Parameter
Conditions
Units
Max
Min
Max
Min
Typ
STATIC
Continuous
15
28
50
80
15
28
50
80
V
V
INPUT
Voltage4
Transient, 1 sec
Inhibited
-
-
-
-
-
-
6
-
-
6
mA
mA
mAp-p
V
Current
No Load
-
40
65
-
40
65
Ripple Current
Inhibit Pin Input4
Inhibit Pin Open Circuit Voltage4
Full Load, 20Hz to 10MHz
-
-
80
-
-
80
0
-
1.5
13.0
14.8
14.5
3.333
3.35
10
0
-
1.5
13.0
14.8
14.5
5.05
5.075
15
9.0
11.0
9.0
11.0
V
UVLO Turn On
UVLO Turn Off4
12.0
-
12.0
-
V
11.0
-
11.0
-
V
VOUT TCASE = 25°C
3.267
3.30
4.95
5.00
V
OUTPUT
Voltage
VOUT TCASE = -55°C to +125°C
3.25
3.30
4.925
5.00
V
Power3
0
-
0
-
W
Current3
VOUT
0
-
3.0
40
0
-
3.0
40
A
Ripple Voltage
Line Regulation
Load Regulation
VOUT Full Load, 20Hz to 10MHz
VOUT VIN = 15V to 50V
VOUT No Load to Full Load
-
-
-
-
mVp-p
mV
mV
%
-
-
20
-
-
20
-
-
50
-
-
50
EFFICIENCY
65
-
-
72
-
-
Overload4
-
-
8
-
-
8
W
LOAD FAULT POWER DISSIPATION
Short Circuit
-
-
-
-
8
-
-
-
-
8
W
CAPACITIVE LOAD4
SWITCHING FREQUENCY
ISOLATION
1000
500
-
1000
500
-
µF
kHz
MΩ
kHrs
350
100
-
450
-
350
100
-
450
-
500 VDC
MTBF (MIL-HDBK-217F)
AIF @ TC = 55°C
427
-
427
-
DYNAMIC
Load Step Output Transient
Load Step Recovery2
Line Step Output Transient4
Line Step Recovery2, 4
Turn On Delay
VOUT
VOUT
VOUT
-
-
-
-
-
-
-
-
400
500
700
500
20
-
-
-
-
-
-
-
-
600
600
800
700
20
mVPK
µSec
mVPK
µSec
mSec
mVPK
Half Load to Full Load
VIN = 16V to 40V
VIN = 0V to 28V
400
300
10
0
400
300
10
0
Turn On Overshoot
15
25
Notes: 1. Dependant on output voltage. 2. Time for output voltage to settle within 1% of its nominal value.
3. Derate linearly to 0 at 135°C. 4. Verified by qualification testing.
1X004DSG
2
DELTA [ DELTA ELECTRONICS, INC. ]
