iru3138 International Rectifier Corp., iru3138 Datasheet - Page 15

• Manufacturer Part Number: iru3138
• Description: Synchronous Pwm Controller For Termination Power Supply Applications -
• Manufacturer: International Rectifier Corp.

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