LB11851M Datasheet, PDF (3/6 Pages) Sanyo Semicon Device – Monolithic Digital IC Microprocessor Fan Motor Interface Driver

LB11851M
Truth Table
FGIN
L
PWMIN
L
SENSE
L
OUT1P
L
OUT1N
L
OUT2P
H
OUT2N
H
Mode
OUT1 → 2 drive
H
H
H
L
L
OUT2 → 1 drive
L
H
L
H
L
H
H
Regeneration mode
H
H
H
H
L
(low side regeneration)
L
L
H
H
L
H
H
Current limiter
H
H
H
H
L
(low side regeneration)
Note 1 : For the SENSE pin, the "H" state is 0.2V or higher.
Note 2 : The IC goes to regeneration mode (no motor drive applied) when the microcontroller is reset (the output high-impedance state).
Package Dimensions
unit : mm (typ)
3086B
5.0
10
6
Pd max -- Ta
1.0
Specified circuit board : 114.3×76.1×1.6mm³
When mounted on the thermal glass epoxy board
resistance evaluation board
0.8
0.6
1
5
0.15
0.35 1.0 ^(0.5)
SANYO : MFP10S(225mil)
0.4
Independent IC
0.35
0.3
0.2
0.13
0
-30
0
30
60
90
120
Ambient temperature, Ta -- °C
Pin Assignment
OUT2P 1
OUT2N 2
5VREG 3
FGIN 4
PWMIN 5
LB11851M
Top View
10 OUT1P
9 OUT1N
8 VCC
7 SENSE
6 GND
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