LB1821 Sanyo, LB1821 Datasheet - Page 12

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

Continued from preceding page.
Pin No.
10
6
7
8
9
CLK
F/R
S/S
BR
Pin
N1
Brake control (short braking operation)
Low: 0 to 1.5 V
High: 4.0 V to V
An open state functions as a high-level input.
Low for start, high or open for brake mode operation.
The hysteresis is about 0.45 V.
Forward/reverse control
Low: 0 to 1.5 V
High: 4.0 V to V
An open state functions as a high-level input.
Low for forward, high or open for reverse rotation.
The hysteresis is about 0.45 V.
External clock signal input
Low: 0 to 1.5 V
High: 4.0 V to V
An open state functions as a high-level input.
The hysteresis is about 0.45 V.
f = 10 kHz, maximum
Start/stop control
Low: 0 to 1.5 V
High: 4.0 V to V
An open state functions as a high-level input.
Low for start, high or open for stop mode operation.
The hysteresis is about 0.45 V.
Speed discriminator count switching
Low: 0 to 1.5 V
High: 4.0 V to V
An open state functions as a high-level input.
The hysteresis is about 0.45 V.
CC
CC
CC
REG
CC
Functions
LB1821M
Equivalent circuit
Continued on next page.
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