IR1110 International Rectifier Corp., IR1110 Datasheet - Page 26

• Manufacturer Part Number: IR1110
• Description: Soft Start Controller Ic In A 64-lead Mqfp Package
• Manufacturer: International Rectifier Corp.

IR1110
26
480V AC
3-Phase
Input
D C +
D C -
W
U
V
Figure 9 Circuit for PWM Control of DC Bus Voltage
V B U S R E F
PIN8 of
I R 1 1 1 0
T O
Figure 10 Snubber Derived Power Supply
1 2 0 0 V
.15uF
D +
1 0 W
1 0 0
R 1
R 2
V S S
ADVANCE INFORMATION
D -
1 2 0 0 V
.15uF
D +
R 3
1 0 W
1 0 0
D -
6
5
D +
1 0 W
1 0 0
HCPL0453
1 2 0 0 V
1 5 V
.15uF
8
1 W
5 %
1 N 4 0 0 4
D -
Z D 1
Z D 4
150 1/10W
100uF
snubber capacitor = .33uF/600V
6.8V .5W
snubber resistor = 10 2W
5 %
1 / 1 0 W
Note: For 240V input,
1 N 5 2 3 1 C
C 1
2
P W M I N P U T
3
1 N 5 2 3 1 C
7 5
Z D 3
Z D 2
1 N 5 2 3 1 C
Z D 5
220 1/4W
C 2
C 3
+12.5 to +15V
330uF
330uF
6.3V
6.3V
+ 5 . 1 V
-5.1V
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