ꢁ ꢠꢡ ꢢꢢꢢꢣ
ꢁꢠ ꢡ ꢢꢢꢢꢣ ꢉ
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SBVS001D − OCTOBER 1992 − REVISED JULY 2004
TERMPWR
TERMPWR
5V
5V
Ω
Ω
2.85V
110
110
110
2.85V
1N5817
1N5817
REG1117−2.85
REG1117−2.85
µ
µ
µ
µ
10 F
10 F
10 F
10 F
(Up to 27 Lines)
Ω
110
Ω
Figure 7. SCSI Active Termination Configuration
REG1117−5
REG1117−5
In
Out
In
Out
VIN > 12V
5V to 10V
VIN > 9.0V
7.5V
+
+
+
+
GND
GND
µ
10 F
µ
µ
µ
100 F
100 F
10 F
2.5VOUT
+
µ
10 F
Ω
1k
REF1004−2.5
Figure 8. Adjusting Output of Fixed Voltage Models
Figure 9. Regulator with Reference
REG1117−5
5.2V Line
5.0V Battery
VIN
In
Out
+
GND
µ
10 F
Ω
50
Ω
1k
REG1117−5
In
Out
GND
+
+
6.5V
µ
µ
100 F
10 F
Figure 10. Battery Backed-Up Regulated Supply
REG1117−5
VIN
In
Out
+
+
GND
µ
10 F
µ
100 F
−
= 5V
VOUT
Floating Input
Figure 11. Low Dropout Negative Supply
11
ROCHESTER [ Rochester Electronics ]
