IR1110 International Rectifier Corp., IR1110 Datasheet - Page 22

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

IR1110
22
C R A M P
C R A M P
R U 1
R U 2
D C +
D C -
I R A M P
U
2 0
R V 1
R V 2
V B R E F
R N E G 1
R P O S 1
V
8
R W
R W
2 1
1
2
R R A M P
W
R R A M P
UIN
INVERTING
A M P L I F I E R
1
VIN
6
5
2
WIN
3
R P O S 2
Q 2
Q 3
L i n e V o l t a g e
P r o c e s s i n g
Q 4
Circuit
Q 2
B D I P H L D
V R A M P
B D I P 1
R D F I L
B U F F E R A M P
1 8
3 0
7
R A M P
2 9
2 7
V B U S O
R C L A M P 1
R C L A M P 2
W a t c h -
B D I P 2
6 3 , 5 9 , 5 5 RINTU,V,W
D o g
6 4 , 6 0 , 5 6
(INVERTING)
C B D I P 2
R S T R U , V , W
R A M P E R R
E R R O R
A M P 1
1 9
Figure 4 Detailed Functional Block Diagram
D C R E G 2
D C R E G 1
3 6 , 3 7 , 3 8
C O M P A R A T O R
V O L T A G E D I P
R E S E T
E R R O R A M P
W D C A P U , V ,
A N D 3
9
1 1
R A M P
INTNU,V,W
5 2 , 5 3 , 5 4
W
CINTU,V,W
R E R R
T i m i n g W a v e
Integrator
C E R R
ADVANCE INFORMATION
CINTU,V,W
D C R E G C
6 1 , 5 7 , 5 3
A N D 4
1 0
D E L A Y
Q 1
V P K R E C
3 5
Q 5
(NON-INVERTING)
R P K L L 2
R P K F I L
C P K L L
C P K
2 8
E R R O R
A M P 2
B D I P C A P
2 3
C B D I P 1
3 4
V P K
3 3
C O M P A R A T O R
R P K L L 1
3 P H / 1 P H
S C R R E F
R E F S U M M I N G
T I M I N G W A V E
T I M I N G W A V E I N T E R S E C T
A M P
5 0
C O M P A R A T O R
N A N D 1
V D D
R S C 1
R S C 2
C I R C U I T
V D D
L O S S
L I N E
C I R C U I T
1 P H A S E
S C R V O L T A G E
C O M P A R A T O R
L O S S
C O M P A R A T O R
U V C O M P A R A T O R
S C R T I M I N G
C 3 P H
C 1 P H
C O M P A R A T O R
1 6
1 P H C A P
3 P H C A P
U V L O
L N L S S L
1 5
A N D 2
1 4
1 P H E N
2 4
V P K L L
1 3
U V L O C A P
A N D 1
L N S E T
R L S 1
R L S 2
V D D
3 9
L I N E V O L T A G E
C O M P A R A T O R
Q 6
N A N D 2
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V D D
S C R U , V , W
4 5 , 4 6 , 4 7
V D D
L N L E D
L N L S L E D
4 2
1 P H L E D
V D D
4 1
4 0