ELECTRICAL SPECIFICATIONS
DHC2803S
Parameter
8
Output Voltage
12V≤V
IN
≤50V
Output Current 2
16V≤V
IN
≤50V
BW=10KHz to 2MHz
Test Conditions
1
Group A
Subgroup
1
2,3
1
2,3
1
2,3
1
2,3
DHC2803S H/E
Min.
3.20
3.15
152
152
152
152
-
-
-
-
-
-
-
-
61
58
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
12
11
10
-
-
-
100
2.3
375
±10
DHC2803S
Min.
3.18
-
152
-
152
-
-
-
-
-
-
-
-
-
61
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
12
11
10
-
-
-
100
2.3
350
±10
Units
Max.
3.42
-
1520
-
1820
-
190
-
225
-
±20
-
±45
-
-
-
±650
-
300
-
±500
-
500
-
200
-
50
-
500
-
-
50
50
50
45
5
300
-
3.6
450
-
VDC
VDC
mA
mA
mA
mA
mVp-p
mVp-p
mAp-p
mAp-p
mV
mV
mV
mV
%
%
mV
mV
µS
µS
mV
mV
µS
µS
mV
mV
mS
mS
µS
µS
mS
V
V
V
mA
mA
µF
MΩ
A
KHz
%
Typ.
3.30
-
-
-
-
-
85
-
165
-
±6
-
±20
-
66
-
±430
-
85
-
±190
-
120
-
0
0
30
-
220
-
60
-
-
-
35
2
-
-
2.8
400
-
Max.
3.40
3.45
1520
1520
1820
1820
190
475
200
200
±15
±50
±35
±50
-
-
±600
±850
300
300
±500
±500
500
500
200
200
50
50
500
500
-
50
50
50
40
5
300
-
3.6
425
-
Typ.
3.30
-
-
-
-
-
85
-
165
-
±6
-
±20
-
66
-
±430
-
85
-
±190
-
120
-
0
-
30
-
220
-
60
-
-
-
35
2
-
-
2.8
400
-
Output Voltage Ripple
Input Current Ripple 2
BW=10KHz to 2MHz
1
2,3
Line Regulation
V
IN
=16V to 40V
V
IN
=16V, 28V and 40V
I
OUT
=0A, 0.9A and 1.8A
1
2,3
Load Regulation
1
2,3
1
2,3
Efficiency
I
OUT
=0.9A to/from 1.8A
Transition TIme=30µS
I
OUT
=0.9A to/from 1.8A
Transition TIme=30µS
V
IN
=16V to/from 40V
Transition Time=30µS
V
IN
=16V to/from 40V
Transition Time=30µS
Step Load Response
4
5,6
4
5,6
4
5,6
4
5,6
4
5,6
Step Load Recovery
Step Line Response 2
Step Line Recovery 2
Start Up Overshoot
Start Up Delay
4
5,6
Shutdown Delay 2
Shutdown Recovery 2
P
OUT
=6W MAX.
Input Voltage Range 2
P
OUT
=5W MAX.
P
OUT
=2.5W MAX.
Quiescent Current
Capacitive Load 2
Isolation
Short Circuit Current Limit 7
Switching Frequency
VOUT Adjustment Range
R
POT
=50KΩ
Enabled, I
OUT
=0mA
Disabled I
OUT
=0mA
No Effect on DC Performance
Input to output or any pin to case @ 500V
4
5,6
-
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1
1
4
1
NOTES:
+V
IN
= 28V, I
OUT
= 1.8A for DHC2803S, I
OUT
= 1.0A for DHC2805S, T
A
=T
C
=25°C unless otherwise specified.
Guaranteed by design but not tested. Typical parameters are representative of actual device performance but are for reference only.
Industrial grade and "E" suffix devices shall be tested to subgroups 1 and 4 unless otherwise specified.
Military grade devices ("H" suffix) shall be 100% tested to subgroups 1, 2, 3 and 4.
Subgroups 5 and 6 testing available upon request.
Subgroup 1, 4 T
A
=T
C
=+25°C
2, 5 T
A
=T
C
=+125°C
3, 6 T
A
=T
C
= -55°C
7 Device has internal shutdown feature that pulses the output with a low duty cycle during faults.
8 Refer to DSCC SMD for electrical specifications for devices purchased as such.
1
2
3
4
5
6
3
Rev. G 8/06
MSK [ M.S. KENNEDY CORPORATION ]
