2998 데이터 시트보기 (PDF) - Allegro MicroSystems
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2998 Datasheet PDF : 6 Pages
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2998
DUAL FULL-BRIDGE
MOTOR DRIVER
FUNCTIONAL BLOCK DIAGRAM
(ONE OF TWO DRIVERS)
BB
Dwg. No. W-107A
To maintain isolation between integrated circuit components and to
provide for normal transistor operation, the ground tab must be
connected to the most negative point in the external circuit.
TRUTH TABLE
10
RθJT = 2.0°C/W
ENABLE
INPUT
PHASE
INPUT
OUTPUT 1
8
3.0°C/W HEAT SINK
Low
High
High
RθJA = 5.0°C/W
Low
Low
Low
High
High
Open
6
High
Low
Low
12°C/W HEAT SINK
RθJA = 14°C/W
4
2
0
25
FREE AIR, R θJA = 38°C/W
50
75
100
TEMPERATURE IN °C
125
150
Dwg. GP-012B
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1985, 2000 Allegro MicroSystems, Inc.
OUTPUT 2
Low
High
Low
Open
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