LB1821 Sanyo, LB1821 Datasheet - Page 16

• Manufacturer Part Number: LB1821
• Description: Power Brushless Motor Pre-Driver IC for OA Equipment
• Manufacturer: Sanyo

Continued from preceding page.
Pin No.
41
42
44
This catalog provides information as of June, 1997. Specifications and information herein are subject to change
without notice.
No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace
equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of
which may directly or indirectly cause injury, death or property loss.
Anyone purchasing any products described or contained herein for an above-mentioned use shall:
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for
volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied
regarding its use or any infringements of intellectual property rights or other rights of third parties.
FIL
TOC
FIL
Pin
Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and
distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all
damages, cost and expenses associated with such use:
Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on
SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees
jointly or severally.
O
I
VCO filter amplifier output
This pin is connected to the VCO circuit internally in the IC.
VCO filter amplifier inverting input
This pin is connected through a 10-kΩ resistor internally in
the IC to the VCO system PLL output.
Torque command input
This pin is normally connected to the INT
When the TOC voltage falls, the UL, VL, and WL PWM
duties are increased.
Do not apply a voltage in excess of V
from a normal operational amplifier is desirable.)
Functions
CC
.OUT
- 0.5 V. (An input
pin.
LB1821M
CR
oscillation
signals
Equivalent circuit
VCO
input
No. 5686-16/16
VCO PLL
output