iru3047 International Rectifier Corp., iru3047 Datasheet - Page 14

• Manufacturer Part Number: iru3047
• Description: Dual Synchronous Controller With Current Sharing Circuitry Controller
• Manufacturer: International Rectifier Corp.

IRU3047
TYPICAL APPLICATION
12V to 1.8V @ 8A
5V to 2.5V @ 8A
3.3V to 2.5V @ 2A
14
PGood
3.3V
@ 2A
12V
2.5V
5V
47uF
33uF
C6
C1
47uF
C7
Figure 10 - Typical application for IRU3047 configured as two independent controllers.
C5
1uF
Q1
IRLR2703
R1
1K
1uH
L1
1uF
2200uF
R2
1K
2200pF
C3
C9
C8
1uF
19K
22K
C10
0.1uF
R3
R4
C4
Vcc
V
Fb3
Comp1
Comp2
PGood
SS
OUT3
V
C L
IRU3047
VcH1
U1
Gnd
www.irf.com
VcH2
HDrv2
HDrv1
LDrv1
LDrv2
PGnd
V
Fb1
Vp2
Fb2
R E F
33uF
C2
C13
1uF
Q3
IRF7457
Q2
IRF7460
Q4
IRF7457
Q5
IRF7457
L2
1uH
D1
C14
2x 47uF
C17
2x 150uF
C11
0.1uF
3.9uH
4.7uH
L4
L3
D2
R9
1K
R7
442
R8
1K
R5
1K
V
C16
2x 150uF
C12
2x 150uF
09/09/02
1.8V
@ 8A
Rev. 1.0
2.5V
@ 8A