LT1166 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LT1166 Datasheet PDF : 16 Pages
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LT1166
APPLICATIONS INFORMATION
Adding Voltage Gain
The circuit in Figure 9 adds voltage gain to the circuit in
Figure 1. At low frequency the LT1166 is in the feedback
loop of the LT1360 so the gain error and the VOS are
reduced and the closed-loop gain is 10V/V.
LT1004-2.5
110Ω
15V
440µF
5.1k
300pF
MPS2907
15mA
100Ω
1
IRF530
0.1µF
VT
SENSE+
8
ILIM+ 7
VIN
3+
7
6
1k
LT1360
LT1166
39k 2 VIN
3
VOUT
2–
4
ILIM– 6
1k
1µF 0.33Ω
1µF 0.33Ω
SENSE– 5
1k
CF
500pF
0.1µF
VBOT
4
100Ω
IRF9530
15mA
5.1k
300pF
MPS2222
VOUT
1Ω
100Ω
909Ω
LT1004
2.5
110Ω
–15V
440µF
1166 • F09
500pF
Figure 9. Power Op Amp AV = 10
INPUT
0V
OUTPUT
0V
1166 • F10
Figure 10. Power Amp Driving 1Ω Load
INPUT
0V
OUTPUT
0V
1166 • F11
Figure 11. Power Amp at 6A Current Limit
9
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