IR3513Z International Rectifier Corp., IR3513Z Datasheet - Page 30

• Manufacturer Part Number: IR3513Z
• Description: Xphase3tm Pol Control Ic
• Manufacturer: International Rectifier Corp.

where,
where Gpwm is the gain of the PWM generator, H is the gain of the feedback filter and
Page 30
a
b
t
t
t
t
t
t
wz =
wz
wp
wp
K
Rfb
1
2
3
4
5
6
=
=
=
=
=
=
1
=
=
1
=
2
2
Le
1
2
Le
1
=
=
wz
(
wp
=
−
wc
−
1
=
1
1 (
wc
wc
10
wc
1
wc
⋅
1
+
1
wz
C
4 .
wp
wp
−
4
+
C
+
4
⋅
⋅
wc
b
⋅
⋅
R
1
(
R
wc
1
1
(
wz
t
wp
t
⋅
wp
⋅
1
R
4
⋅
2
2
+
⋅
1
1
1
1
1
+
wz
wc
1
2
wp
Cfb
⋅
2
+
−
+
⋅
2
1
−
+
Rst
2
t
Rc
Rst
3
2
sin(
sin(
wc
2
sin(
sin(
2
−
R
+
t
2
+
+
θ
θ
wc
1
θ
θ
⋅
c
c
⋅
c
R
c
Rst
t
t
)
)
Gpwm
)
)
2
2
2
4
⋅
)((
)
⋅
Rc
2
Rc
1
+
+
−
⋅
wc
⋅
b
C
Rst
H
⋅
⋅
2
wc
a
(
⋅
⋅
t
t
)
Rc
1
5
2
2
⋅
⋅
)
t
+
t
)
2
2
6
wc
+
+
⋅
R
a
wc
2
2
(
Rc
⋅
2
wc
⋅
t
⋅
3
C
2
⋅
)(
1 (
t
4
R
)
−
2
+
b
Rst
⋅
wc
)
2
)
−
a
)
2
(35)
(23)
(24)
(25)
(26)
(27)
(28)
(29)
(30)
(31)
(32)
(33)
(34)
(36)
May 11, 2009
IR3513Z