LB1867M_09 SANYO [Sanyo Semicon Device], LB1867M_09 Datasheet - Page 3

• Manufacturer Part Number: LB1867M_09
• Description: 2-phase Brushless Fan Motor Driver
• Manufacturer: SANYO [Sanyo Semicon Device]

Pin Assignment
Pin Function
Truth Table
Pin No.
10
11
12
13
14
1
2
3
5
7
IN +
H
H
L
L
OUT2
GND
IN −
IN +
CT
OUT1
Z1
Z2
RD
V IN
Pin name
IN −
H
H
L
L
Hall input + pin. Hysteresis amplifier
Hall input − pin. Hysteresis amplifier
Lockup protection time setting capacitor pin (0.47 to 4.7µF).
Output 1 pin.
Output 2 pin.
GND pin.
External Zener diode pin (external Zener diode to be connected between power supply and Z1).
Kickback absorption voltage alteration pin (shorted to Z1: 12V operation).
Lockup detection pin (latch type).
Regulated power supply input pin (limiting resistor to be inserted between power supply and V IN ).
CT
H
H
L
L
OUT1
H
H
H
L
* RD is a latch type output
OUT1
OUT2
GND
IN −
IN +
H
H
H
L
NC
NC
CT
1
2
3
4
5
6
7
LB1867M
RD
H
H
L
L
Top view
Function
14
13
12
10
11
9
8 NC
V IN
RD
Z2
Z1
OUT2
NC
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