X9319
Basic Circuits (Continued)
R1
R2
VIN
317
VO (REG)
VS
100kΩ
+12V
LT311A
VS
-
R1
-
+
VO
+
VO
Iadj
R2
VO (REG) = 1.25V (1+R2/R1)+Iadj R2
FIGURE 6. VOLTAGE REGULATOR
10kΩ
10kΩ
LMC7101
10kΩ
+15V
FIGURE 7. OFFSET VOLTAGE ADJUSTMENT
R1
R2
VUL = {R1/(R1+R2)} VO(max)
VLL = {R1/(R1+R2)} VO(min)
FIGURE 8. COMPARATOR WITH
HYSTERESIS
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FN8185 Rev 3.00
July 31, 2014
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