DC/DC Converter for IGBT Driver

QA Series

2015.06.03-B/0

Page 3 of 5

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Product Characteristic Curve

-10%

80%

20%

10%

40%

60%

-5%

0

+5%

+10%

+15%

100%

Min.

Max.

-8%

+2.5%

Output Current Percent

(Nominal Input Voltage)

Tolerance Envelope Curve

Fig. 1

(Excluding QA01-09 model)

1 20

1 00

8 0

6 0

4 0

2 0

0

-4 0

0

4 0

1 05

8 5

Amb ient Tempe rature( )

℃

Saf e Op erati ng Area

Temp er atur e D erating Cur ve

Fig. 2

Design Reference

1. Typical application

Control Signal

IGBT

Drive r

7

6

1

2

5

Vin

C1

C2

C3

DC/DC

IGBT

Rg

Vin

GND

+Vo

0V

-Vo

Fig. 3

Note: On both ends of capacitance C2 and C3 shunt respectively a

capacitance value in 1uF -10uF ceramic capacitors.

C1/ C2 /C3

100uF/35V (Low internal resistance capacitance)