MC33501_06 Datasheet, PDF (13/14 Pages) ON Semiconductor – 1.0 V, Rail−to−Rail, Single Operational Amplifiers

MC33501, MC33503
15 V
5.0 V
V_ref
15
2
3
13
16
4
FB
1
11
Output A
MC34025
14
Output B
4.7
4.7
22 k ₅
8
12
6
10
0.1
470 pF
7
9
100 k
+
MC33502
−
3320
1.0 k
1.0 k
From
Current Sense
Provides current sense
amplification and eliminates
leading edge spike.
Figure 35. Power Supply Application
V_O
R₁
1.0 k
I_O
R_sense
1.0 V
R₃
1.0 k
+
−
R₄
1.0 k
R₅
V_L
2.4 k
R_L
I_L
75
I_O
435 mA
212 mA
I_L
463 mA
492 mA
DI_O/DI_L
−120 x 10^−6
For best performance, use low tolerance resistors.
R₂
3.3 k
Figure 36. 1.0 V Current Pump
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