2-Phase Stepper Motor Unipolar Driver IC (2-Phase/1-2 Phase Excitation)
UCN5804B
sDerating
Allowable package power dissipationP
D
(W)
5
sApplication
Circuit
4
28V
5V
3
1
V
DD
OE
16
15
14
13
43
°
C
/
2
2
W
3
4
LOGIC
5
6
7
DIRECTION
CONTROL
1
12
11
10
9
STEP INPUT
0
−20
0
25
50
75 85
100
8
Ambient temperature Ta (°C)
1
2
3
4
LOGIC
5
6
7
8
V
DD
OE
16
15
14
13
12
11
10
9
OR
sTruth
Table
Drive Format
Two-Phase
One-Phase
Half-Step
Step-Inhibit
Pin 9
L
H
L
H
Pin 10
L
L
H
H
sI/O
Equivalent Circuit
Input circuit
V
DD
Output driver
K
OUT
IN
SUB
sExternal
Dimensions
ICs per stick
(Unit: mm)
0.508
0.204
16
7.11
6.10
1
2
3
8
0.127MIN
2.54BSC
21.33
18.93
SEATING PLANE
5.33MAX
Note 1
25
9
7.62BSC
INDEX AREA
1.77
1.15
0.558
0.356
0.39MIN
4.06
2.93
qThickness
of lead is measured below seating plane.
qAllowable
variation in distance between leads is not cumulative.
Note 1: Lead width of pin 1,8, 9, 16 may be half the value shown here.
UCN5804B
43
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