BBF2803SH(2006) 查看數據表（PDF） - M.S. Kennedy
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BBF2803SH Datasheet PDF : 11 Pages
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TYPICAL PERFORMANCE CURVES
BBF2803S
EFFICIENCY CONTOURS
40
40%
50%
35
56%
60%
TEMP = 25°C
64%
30
66%
67%
68%
25
69%
20
70%
16
66%
.55 1.1 2.2 3.3 4.4 5.5
OUTPUT CURRENT, IOUT (A)
LOW LINE DROP OUT
20
TEMP = 25°C
18
16
14
12
10
0.0
2.0
4.0
6.0
OUTPUT CURRENT, IOUT (A)
LOAD TRANSIENT RESPONSE 1000µF
VOUT
EFFICIENCY CONTOURS
40
30%
40%
35
50%
54%
58%
TEMP =
–55°C
60%
30
62%
64%
65%
25
66%
20
16
67%
.55 1.1 2.2 3.3 4.4 5.5
OUTPUT CURRENT, IOUT (A)
LOAD TRANSIENT RESPONSE
VOUT
5.5A
IOUT
2.75A
NO OUTPUT BUS CAPCITANCE
TIME, t (100µsec/DIV)
LINE TRANSIENT RESPONSE
VOUT
LOAD = 5.5A
5.5A
IOUT
2.75A
INCLUDES 1000µF ON OUTPUT BUS
TIME, t (500µsec/DIV)
TURN ON THRESHOLD
28
24
20
16
12
10K
20K 30K 40K 60K 90K
SET POINT RESISTOR, RSP (Ω)
40V
16V
VIN
INCLUDES 100µF ON OUTPUT BUS
TIME, t (200µsec/DIV)
TURN ON RESPONSE
VOUT
3.3V
LOAD = 5.5A
0V
28V
VIN
0V
INCLUDES 100µF ON
OUTPUT BUS
TIME, t (5msec/DIV)
EFFICIENCY CONTOURS
40
40%
50%
TEMP = 125°C
35
60%
64%
66%
30
67%
25
68%
69%
20
70%
64%
16
.55 1.1 2.2 3.3 4.4 5.5
OUTPUT CURRENT, IOUT (A)
LOAD TRANSIENT RESPONSE 100µF
VOUT
5.5A
IOUT
2.75A
INCLUDES 100µF ON OUTPUT BUS
TIME, t (200µsec/DIV)
AUDIO REJECTION
0
VIN = 28VDC
IOUT = 5.5 Amps
–20
–40
–60
–80
–100
100 200 400 1K 2K
10K 20K 100K
FREQUENCY, f (Hz)
9
Rev. F 12/06
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