stk672-070-e Sanyo Semiconductor Corporation, stk672-070-e Datasheet - Page 16

• Manufacturer Part Number: stk672-070-e
• Description: Unipolar Constant-current Chopper External Excitation Pwm Circuit With Built-in Microstepping Controller Stepping Motor Driver Sine Wave Drive Output Current 1.5a No Heat Sink*
• Manufacturer: Sanyo Semiconductor Corporation

450
400
350
300
250
200
150
100
2.5
2.0
1.5
1.0
0.5
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
55
53
51
49
47
45
43
41
39
37
35
50
0
0
0
4.0
10
0
0
4.2
15
0.5
4.4
0.5
Motor supply voltage, V CC 1 - V
20
Reference voltage, Vref - V
Supply voltage, V CC 2 - V
4.6
Motor current, I OH - A
1.0
I OH - V CC 1
25
IVref - Vref
Vsat - I OH
4.8
1.0
fc - V CC 2
5.0
1.5
30
Test motor: PK244-01B
5.2
1.5
35
2.0
5.4
40
5.6
2.0
2.5
45
ITF02183
ITF02185
ITF02187
ITF02189
STK672-070-E
5.8
6.0
2.5
3.0
50
450
400
350
300
250
200
150
100
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.4
1.2
1.0
0.8
0.6
0.4
0.2
55
53
51
49
47
45
43
41
39
37
35
50
0
0
0
0
0
0
0
20
20
20
0.5
Substrate temperature, Tc - °C
Substrate temperature, Tc - °C
Substrate temperature, Tc - °C
Motor current, I OH - A
40
40
40
1.0
Vdf - I OH
IVref - Tc
I OH - Tc
fc - Tc
60
60
60
Test motor: PK244-01B
1.5
Vref=2.0V
Vref=1.5V
Vref=1.0V
Vref=0.5V
80
80
80
No.7307-16/18
2.0
100
100
100
ITF02184
ITF02186
ITF02188
ITF02190
120
120
120
2.5