Diodes AM4962 Manuel d'utilisateur télécharger pdf (Page 13)

Data Sheet

SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER AM4962

Apr. 2011 Rev. 1. 2 BCD Semiconductor Manufacturing Limited

0 102030405060708090100

100

R3=390k, R1, R2, R4, R5, R6 Open

R3=1M, R1, R2, R4, R5, R6 Open

R1, R2, R3, R4, R5, R6 Open

Output Duty Cycle (%)

PWM (%)

0 102030405060708090100

100

R4=150k, R1, R2, R3, R4, R6 Open

R4=390k, R1, R2, R3, R5, R6 Open

R1, R2, R3, R4, R5, R6 Open

Output Duty Cycle (%)

PWM (%)

Typical Application (Note 4, Continued)

Adjust maximum duty of output PWM:

1. The default maximum output PWM duty is 100% (application circuit 1).

2. Adding R3 can decrease maximum output PWM duty (see Figure 16).

3. Adding R4 can increase maximum output PWM duty (see Figure 17).

Figure 16 Figure 17

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Diodes AM4962 Manuel d'utilisateur Page 13