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IRU3072C Datasheet(PDF) 21 Page - International Rectifier

Part # IRU3072C
Description  20-PIN SYNCHRONOUS PWM CONTROLLER/ 3 LDO CONTROLLER
PDF  24 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IRU3072C Datasheet(HTML) 21 Page - International Rectifier

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IRU3072
21
Rev. 1.0
3/25/04
www.irf.com
TYPICAL APPLICATIONS
Figure 31 - IRU3072 typical application with ceramic capacitor output.
Figure 32 - IRU3072 typical application with one bus input voltage VCC=VBUS=12V and 3.3V for LDO.
IRU3072
U1
Vcc
Vc
HDrv
LDrv
Fb1
Gnd
Comp
SS1
VOUT1
1.2V @ 5A
Rt
OCSet
PGnd
Drv4
Fb4
Drv3
Fb3
Drv2
Fb2
VSEN33 / SDB
SSLDO
3.3V
VOUT2
2.5V
VOUT3
1.8V
VOUT4
1.5V
Q1
IRLR2703
Q2
C2
Q3
C4
C9
C13
0.1uF
C14
33nF
C11
C7
47uF,16V
C8
10uF
C12
2x 47uF
Ceramic
1uH
1uH
Q4
IRF7460
Q5
IRF7460
2.15K
R2
1K
1.24K
R4
1K
866
R6
1K
10K
47K
R7
VccLDO
VIN=12V
C5
1uF
C1
1uF
C6
0.1uF
4.7K
C10
82pF
+5V
C3
1uF
R1
R3
R5
R9
R8
L2
L1
D1
D2
R10
62K
R11
4.64K
C15
220pF
3.3nF
R12
124K
IRU3072
U1
Vcc
Vc
HDrv
LDrv
Fb1
Gnd
Comp
SS1
VOUT1
1.2V
Rt
OCSet
PGnd
Drv4
Fb4
Drv3
Fb3
Drv2
Fb2
VSEN33 / SDB
SSLDO
C7
16TPB47M
47uF, 16V
C8
10uF
C12
3x 6TPB330M
6.3V, 330uF, 40m
V
L2 1uH
L1
Q4
IRF7460
Q5
IRF7460
R7
VccLDO
VIN=12V
C5
1uF
C1
1uF
C6
0.1uF
6.8K
R11
1K
R10
3.3V
VOUT2
2.5V
VOUT3
1.8V
VOUT4
1.5V
Q1
IRLR2703
Q2
C2
Q3
C4
C9
C13
0.1uF
C14
33nF
C11
2.15K
R2
1K
1.24K
R4
1K
866
R6
1K
3.3K
47K
C10
220pF
R1
R3
R5
R9
R8
1K
1uH
200
V
R12
15nF



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