udn2993lb Allegro MicroSystems, Inc., udn2993lb Datasheet - Page 2

• Manufacturer Part Number: udn2993lb
• Description: Dual H-bridge Motor Drivers
• Manufacturer: Allegro MicroSystems, Inc.

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