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IRU3138CS Datasheet(PDF) 15 Page - International Rectifier

Part # IRU3138CS
Description  SYNCHRONOUS PWM CONTROLLER FOR TERMINATION POWER SUPPLY APPLICATIONS
PDF  18 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IRU3138CS Datasheet(HTML) 15 Page - International Rectifier

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IRU3138
15
Rev. 1.0
01/29/04
www.irf.com
DEMO-BOARD APPLICATION
5V to 2.5V @ 12A
Ref Desig
Description
Value
Qty
Part#
Manuf
1
1
1
1
1
1
4
4
1
1
1
3
1
1
2
1
Q1
Q2
U1
D3
L1
L2
C1,C2,C18,C20
C3,C4,C6,C12
C7
C8
C9
C11,C21,C22
C15
R6
R8,R11
R9
MOSFET
MOSFET
Controller
Diode
Inductor
Inductor
Capacitor, Poscap
Capacitor, Ceramic
Capacitor, Ceramic
Capacitor, Ceramic
Capacitor, Ceramic
Capacitor, Poscap
Capacitor, Ceramic
Resistor
Resistor
Resistor
IRLR3715Z
IRFR3711Z
IRU3138
BAT54
D03316P-102HC
ETQP6F1R1BFA
6TPC150M
ECJ-SVF1C105Z
ECJ-2VC1H101J
ECJ-2VF1E104Z
ECJ-2VC1H471J
6TPC330M
ECJ-2VB1H222K
IR
IR
IR
IR
Coilcraft
Panasonic
Sanyo
Panasonic
Panasonic
Panasonic
Panasonic
Sanyo
Panasonic
Application Parts List
20V, 11m
V
20V, 5.7m
V
Synchronous PWM
Fast Switching
1
mH, 10A
1.1
mH
150
mF, 6.3V
1
mF, Y5V, 16V
100pF, 50V
0.1
mF, Y5V, 25V
470pF, X7R, 50V
330
mF, 6.3V
2.2nF, X7R, 50V
4.7
V, 5%
1K
17.8K
Figure 13 - Demo-board application of IRU3138.
C9
470pF
IRU3138
U1
Vcc
Vc
HDrv
LDrv
Fb
Gnd
Comp
SS/SD
L2
L1
Gnd
Gnd
VIN
5V
R8
Q2
C18
150uF
C20
150uF
R9
17.8K
C1
150uF
D3
1.1uH
R6
4.7
V
C11
330uF
C12
1uF
1uH
C4
1uF
C6
1uF
C3
1uF
C8
0.1uF
C15
2.2nF
1K
VOUT
1.6V
@ 12A
R11
1K
C22
330uF
12V
Q1
C21
330uF
C19
150uF
PGnd
VP
VREF
C2
100pF
Rt



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