MC33502 Datasheet, PDF (12/15 Pages) ON Semiconductor – LOW VOLTAGE RAIL-TO-RAIL DUAL OPERATIONAL AMPLIFIER

MC33502
Figure 34. Power Supply Application
15 V
5.0 V
Vref
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
From
Current Sense
1.0 k
Provides current sense
amplification and eliminates
leading edge spike.
Figure 35. 1.0 V Current Pump
IO
1.0 V
IL
VL
VO
R3
R4
1.0 k
1.0 k
R1
RL
75
R5
2.4 k
7 ^{8 +5}
1.0 k
–6
4
MC33502
R2
3.3 k
For best performance, use close tolerance resistors.
IO
435 mA
212 mA
IL
463 µA
492 µA
∆IO/∆IL
–120 x 10–6
12
MOTOROLA ANALOG IC DEVICE DATA