ELECTRICAL SPECIFICATIONS
BBF2805S
Parameter
Test Conditions
1
Group A
Subgroup
1
2,3
Output Current 2
16V≤V
IN
≤40V
BW=10KHz to 2MHz
1
2,3
Output Voltage Ripple
1
2,3
Input Current Ripple 2
BW=10KHz to 2MHz
1
2,3
Line Regulation
V
IN
=16V to 40V
1
2,3
Load Regulation
I
OUT
=0.4A to 4.0A
1
2,3
Efficiency
I
OUT
=2A to/from 4A
Transition TIme=30µS
I
OUT
=2A to/from 4A
2
Transition TIme=30µS
V
IN
=16V to/from 40V
Transition Time=30µS
V
IN
=16V to/from 40V
Transition Time=30µS
I
OUT
=4.0A
1
2,3
Step Load Response
2
4
5,6
4
5,6
4
5,6
4
5,6
4
5,6
I
OUT
=4.0A
4
5,6
4
5,6
-
P
OUT
=20W MAX.
Enabled, I
OUT
=0mA
Disabled I
OUT
=0mA
Capacitive Load 2
Isolation
Short Circuit Current Limit 7
Switching Frequency
VOUT Adjustment Range
R
POT
=50KΩ
No Effect on DC Performance
Input to output or any pin to case @ 500V
1,2,3
1
2,3
1,2,3
1,2,3
1
1
4
1
BBF2805S H/E
Min.
5.00
4.90
400
400
-
-
-
-
-
-
-
-
65
61
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
16
-
-
-
-
100
4.0
475
±10
BBF2805S
Min.
4.95
-
400
-
-
-
-
-
-
-
-
-
65
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
16
-
-
-
-
100
4.0
475
±10
Units
Max.
5.15
-
4000
-
60
-
60
-
±50
-
±50
-
-
-
±1200
-
220
-
±900
-
220
-
400
-
60
100
500
-
60
40
40
-
2.5
300
-
7.0
525
-
VDC
VDC
mA
mA
mVrms
mVrms
mArms
mArms
mV
mV
mV
mV
%
%
mV
mV
µS
µS
mV
mV
µS
µS
mV
mV
mS
mS
µS
µS
mS
V
mA
mA
mA
µF
MΩ
A
KHz
%
Typ.
5.05
-
-
-
20
-
20
-
±5
-
±2
-
72
-
±700
-
100
-
±500
-
80
-
0
-
30
-
120
-
20
-
35
-
1.25
-
-
6.0
500
-
Max.
5.10
5.20
4000
4000
50
60
50
60
±25
±50
±25
±50
-
-
±1000
±1500
200
300
±800
±1100
200
300
400
800
60
100
500
550
60
40
40
50
2.5
300
-
7.0
525
-
Typ.
5.05
-
-
-
20
-
20
-
±5
-
±2
-
72
-
±700
-
100
-
±500
-
80
-
0
-
30
-
120
-
20
-
35
-
1.25
-
-
6.0
500
-
Output Voltage
Step Load Recovery
Step Line Response 2
Step Line Recovery 2
Start Up Overshoot
2
Start Up Delay
Shutdown Delay 2
Shutdown Recovery 2
Input Voltage Range 2
Quiescent Current
NOTES:
+V
IN
= 28V, I
OUT
= 4.0A, 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.
1
2
3
4
5
6
4
Rev. F 12/06
MSK [ M.S. KENNEDY CORPORATION ]
