SCM3000C datasheet(25/41 Pages) SANKEN

25 / 41 page

SCM3000C Series

SCM3000C-DSE Rev.1.2

SANKEN ELECTRIC CO., LTD.

Aug. 21, 2017

http://www.sanken-ele.co.jp/en

may be occurred due to creases at screw tightening.

Therefore, you should conduct thorough evaluations

before using these materials.

● When applying a silicone grease, make sure that there

must be no foreign substances between the IC and a

heatsink. Extreme care should be taken not to apply a

silicone grease onto any device pins as much as

possible. The following requirements must be met for

proper grease application:

- Grease thickness: 100 µm

- Heatsink flatness: ±100 µm

- Apply silicone grease within the area indicated in

Figure 13-2, below.

Heatsink

Thermal silicone

grease application area

3.0

29.0

Unit: mm

7.8

8.0

Screw hole

(Pin 1)

Figure 13-2.

Reference Application Area for Thermal

Silicone Grease

13.3. Considerations in IC Characteristics

Measurement

When measuring the breakdown voltage or leakage

current of the transistors incorporated in the IC, note that

all of the output (U, V, and W), LSx, and COM pins

must

appropriately

connected.

Otherwise

the

switching transistors may result in permanent damage.

The following are circuit diagrams representing

typical measurement circuits for breakdown voltage:

Figure 13-3 shows the high-side transistor (Q1H) in the U

phase; Figure 13-4 shows the low-side transistor (Q1L) in

the U phase.

When measuring the high-side transistors, leave all

the pins not be measured open. When measuring the

low-side transistors, connect the LSx pin to be measured

to the COM pin, then leave other unused pins open.

COM

VBB

LS3

LS2

LS1

MIC

Figure 13-3.

Typical Measurement Circuit for

High-side Transistor (Q1H) in U-phase

COM

VBB

LS3

LS2

LS1

MIC

Figure 13-4.

Typical Measurement Circuit for

Low-side Transistor (Q1L) in U-phase

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