STK681-300 Sanyo Semicon Device, STK681-300 Datasheet - Page 7

• Manufacturer Part Number: STK681-300
• Description: Forward/Reverse Motor Driver
• Manufacturer: Sanyo Semicon Device

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Technical Information
(1) Substrate temperature rise , ΔTc (no heat sink) - Internal average power dissipation, PdAV
(2) Internal average power dissipation, Pd, in the DC current-motor current, I O , characteristics (typ values for Pd)
(3) Overheating current control characteristics
Overheating current control functions to prevent driver failure if a motor lock malfunction occurs.
3.5
3.0
2.5
2.0
1.5
1.0
0.5
80
70
60
50
40
30
20
10
0
0
8
7
6
5
4
3
2
1
0
0
0
0
V CC 1=24V
V CC 2=5.0V
Hybrid IC internal average power dissipation, PdAV - W
10
0.5
0.5
20
Operating substrate temperature, Tc- °C
30
STK681-300
1.0
1.0
40
Motor current, I O - A
ΔTc - PdAV
50
1.5
1.5
I O - Tc
Pd - I O
60
2.0
2.0
70
80
2.5
2.5
Load 2Ω+5mH
90
100
3.0
3.0
110
ITF02510
ITF02508
ITF02509
120
3.5
3.5
No. A0760-7/10
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