M54640P 查看數據表（PDF） - MITSUBISHI ELECTRIC

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M54640P

STEPPER MOTOR DRIVER

MITSUBISHI ELECTRIC  

MITSUBISHI <CONTROL / DRIVER IC>

M54640P

STEPPER MOTOR DRIVER

TYPICAL CHARACTERISTICS (Absolute maximum ratings)

Safety operating temperature

1.0

0.8

B

0.6

0.4

A

C

0.2

0

0

10

20

30

40 45 50

Output VMM (V)

10.0

8.0

6.0

4.0

2.0

0

0

Thermal derating

C

B

A

25

50

75

100

Ambient (°C)

A : Recommended

B : Schottky diodes should be externally connected between

output pins and power supply pins.

C : Schottky diodes should be externally instaalled between

output pins and power supply pins and between output

pins and GND pin.

θj-c = 10°C/W

A : Mounted on a 25cm2 glass epoxy board which is coated

with copper on one side.

θc-a = 45°C/W

B : 10cm2 aluminum heat sink (1t) is used.

θc-a = 25°C/W

C : 100cm2 aluminum heat sink (1t) is used.

θc-a = 10°C/W

Tj(max) = 150°C

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