LB1860 查看數據表（PDF） - ON Semiconductor

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LB1860

Two-Phase Half-Wave Variable Speed Fan Motor Driver

ON Semiconductor 

Pin Assignments

LB1860, LB1860M, LB1861, LB1861M

Top view

Block Diagram and Application Circuit

Top view

Constant

current

circuit

0.47 to 10 μ

Truth Table

( ): LB1860M, 1861M

IN+

IN–

Ct

H

L

H

L

H

H

(H)

(L)

—

(L)

(H)

—

—

—

L

—

—

—

Output timing control

( ): MFP14S

Figure 1

Unit (resistance: , capacitance: F)

Rt1

Rt2

CR

OUT1

OUT2

RD

L

—

L

H

L

L

L

—

L

L

H

L

—

(H)

(L)

(H)

(L)

(L)

—

(H)

(L)

(L)

(H)

(L)

H

L

L

H

H

L

—

—

H

H

H

H

Mode

Full speed

Full speed

(Full speed)

(Full speed)

Low speed

Lock protection

www.onsemi.com

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