L165 STMicroelectronics, L165 Datasheet - Page 5

• Manufacturer Part Number: L165
• Description: 3A Power Operational Amplifier
• Manufacturer: STMicroelectronics

Figure 9. Bidirectional DC motor control with TTL/CMOS/ P compatible inputs.
Figure 10. Motor current control circuit with external power transistors (I
Must be V
D1 to D4: V
Note : The inputvoltage level is compatible with L291 (5-BIT D/A converter).
The transfer function is:
S2
t
rr
V
F
S1
500ns
; E1, E2 = logic inputs;
1.2 @ I = 4A
I
-----
V
M
i
=
----------------- -
Rx R 3
R4
V
S1
= logic supply voltage
motor
> 3.5A).
L165
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