Continued from preceding page.
Pin No.
Symbol
Voltage
57
VS_L
2.2 to VCC2
56
RF_L
LB11993W
Equivalent Circuit Diagram
VS_L
1kΩ
56
Description
Loading motor power supply.
Stabilize against noise in the same way as
for VCC2.
Output transistor P ground.
Output current can be detected for motor
current control by inserting a resistor
between Rf pin and ground.
58
OUT1
55
OUT2
23
RLM1
0.2V to
24
RLP1
VCC1-1V
28
RLM2
27
RLP2
23
500Ω
28
VS_L
58
55
Loading motor driver output.
Connect to loading motor.
56
VCC1
500Ω
24
27
L–FG amplifier input.
RLM1 and RLM2 are negative input.
RLP1 and RLP2 are positive input.
22
RLO1
29
RLO2
VCC1
22
29
R-FG amplifier output.
21
DEC1
0 to VCC1
20
DEC2
VCC1
10kΩ
10kΩ
21
50kΩ 10kΩ
20
75kΩ
Loading motor input.
When VCC1 = 3.0V
2.0V or higher: High
0.6V or lower: Low
Continued on next page.
No.A0677-14/15