IR3094M International Rectifier Corp., IR3094M Datasheet - Page 22

• Manufacturer Part Number: IR3094M
• Description: 3 Phase Pwm Controller For Point Of Load
• Manufacturer: International Rectifier Corp.

R
and transient load response. Determine R
C
ceramic capacitor between 10pF and 220pF is usually enough.
Type III Compensation for No Droop Applications
Resistor R
switching frequency per phase and select the desired phas
the component values based on (26) to (30),
CP
CP1
and C
is optional and may be needed in some applications to reduce the jitter caused by the high frequency noise. A
Page 22 of 29
DRP
CP
have limited effect on the crossover frequency, and are used only to fine tune the crossover frequency
and capacitor C
R
C
R
C
K
R
C
C
C
R
CP
C
FB
FB
CP
CP
CP
FB
FB
DRP
DRP
1
CP
1
1
tan[
2 (
S 2
R
S 2
are not needed. Choose the crossover frequency fc between 1/10 and 1/5 of the
S 2
4
S 2
1
2
S
10
(
FB
S
S
4
R
R
FB
FB
f
f
K
f
f
f
(
2 (
C
f
C
K
CP
180
C
C
C

R
C
1
T
)
L
S
CP
R
2
C
1
1
R
E
and C
R
to
R
DRP
R
K
K
FB
FB

CP
L
FB
V
1
C
1
)
E
L
1
5 .
I
R
C
E
E
CP
V
R
)]
CP
C
FB
C
I
FB
from (23) and (24).
C
FB
E
1
E
K
R
2
3
FB
f
C
R
)
FB
5
2
5
(20)
(21)
(22)
(29)
(30)
(27)
(25)
(26)
(28)
(23)
(24)
IR3094PBF
25), and determine
09/26/05