iru3073 International Rectifier Corp., iru3073 Datasheet - Page 16

• Manufacturer Part Number: iru3073
• Description: Synchronous Pwm Controller With Over-current Protection / Ldo Controller -
• Manufacturer: International Rectifier Corp.

IRU3073
DEMO-BOARD APPLICATION
16
@ 2A
2.5V
1.6V
150uF
C13
C15
1uF
C10
0.1uF
C6
0.1uF
24K
R7
C14
150uF
Q3
IRLR2703
C2
R2
1K
33pF
R14
2200pF
C7
1K
Drv2
Fb2
V
V
Rt
SS/SD
Comp
Gnd
Figure 17 - Typical application of IRU3073.
P1
REF
IRU3073
U1
PGnd
OCSet
HDrv
LDrv
www.irf.com
VcH
VcL
Fb1
Vcc
5.1K
R4
D2
BAT54
C11
1uF
C16
1uF
C19
1uF
Q1
IRF7832
Q2
IRF7832
R10
1K
C2C
47uF
2.15K
3.3uH
R9
L2
C2B
47uF
C2A
47uF
C9B
330uF
1uH
L1
C9C
330uF
C1
47uF
C12
1uF
09/17/03
12V
+5V
2.5V
@ 8A
Rev. 1.0