lb11693 Sanyo Semiconductor Corporation, lb11693 Datasheet - Page 7

• Manufacturer Part Number: lb11693
• Description: Three-phase Brushless Motor Driver For 24 V Fan Motors
• Manufacturer: Sanyo Semiconductor Corporation

Continued from preceding page.
Pin No. Pin Name
15
16
17
18
19
PWM
TOC
S/S
EI+
EI–
Motor start/stop control
A low level selects start mode, and a high level or open
selects stop mode.
Control amplifier noninverting input
Control amplifier inverting input
PWM waveform comparison (Control amplifier output)
Sets the PWM oscillator frequency.
Insert a capacitor between this pin and ground.
A value of C = 2200 pF sets the frequency to be about
20 kHz.
Pin Description
LB11693
VREG
VREG
16
VREG
VREG
PWM comparator
300
Equivalent circuit
30 k
40 k
200
Continued on next page.
2 k
300
5 k
40 k
No.8095-7/12
17
19
15
18