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2993 Datasheet(PDF) 2 Page - Allegro MicroSystems

Part # 2993
Description  DUAL H-BRIDGE MOTOR DRIVERS
PDF  8 Pages
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

2993 Datasheet(HTML) 2 Page - Allegro MicroSystems

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2993
DUAL H-BRIDGE
MOTOR DRIVERS
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
FUNCTIONAL BLOCK DIAGRAM
(One of Two Drivers)
UDN2993LB
Dwg. No. A-14,340
Dwg. No. A-12,447
Dwg. No. A-12,448
t
V
V
I
ENABLE
PHASE
OUT
+
_
t
t
t
f
r
d
t
t r
f
d
LOGIC
SUPPLY
ENABLE
PHASE
GROUND
GROUND
GROUND
GROUND
OUT
OUT
V
1B
2B
EB
LOAD
SUPPLY
ENABLE
PHASE
GROUND
GROUND
GROUND
GROUND
OUT
OUT
V
1A
2A
EA
A
A
B
B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
LOGIC
LOGIC
DD
V
BB
V
OUT
OUT1
2
ENABLE
PHASE
GROUND
VBB
VDD
VE
TURN-ON
DELAY
TURN-ON
DELAY
TRUTH TABLE
Enable
Phase
Input
Input
Output 1
Output 2
High
High
Low
High
High
Low
High
Low
Low
High
Low
Open
Low
Low
Open
Low
50
75
100
125
150
25
15
10
5
0
TEMPERATURE IN
°C
20
25
Dwg. GP-021A
SUFFIX 'B', R
= 40
°C/W
θJA
SUFFIX 'LB', R
= 61
°C/W
θJA
SUFFIX 'B', R
= 13
°C/W
θJT
SUFFIX 'LB', R
= 6.0
°C/W
θJT
W
Copyright © 1985, 1993, Allegro MicroSystems, Inc.



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