IRU3037 IRF [International Rectifier], IRU3037 Datasheet - Page 15

• Manufacturer Part Number: IRU3037
• Description: 8-PIN SYNCHRONOUS PWM CONTROLLER
• Manufacturer: IRF [International Rectifier]

TYPICAL APPLICATION
Dual Supply, 5V Bus and 12V Bias Input
Rev. 2.8
03/10/03
12V
5V
Figure 19 - Typical application of IRU3037 or IRU3037A in an on-board DC-DC converter providing the Core,
2200pF
2200pF
0.1uF
0.1uF
C14
C13
14K
14K
C7
C8
R2
R5
C10
1uF
1uF
C4
SS/SD
SS/SD
Comp
Comp
Vcc
Vcc
IRU3037
IRU3037
GTL+, and Clock supplies for the Pentium II microprocessor.
Gnd
Gnd
U1
U2
Vc
Vc
HDrv
HDrv
LDrv
LDrv
Fb
Fb
1%
C1
1uF
R3
C11
1uF
1K
R6
1K, 1%
www.irf.com
Q1
1/2 of IRF7752
Q2
1/2 of IRF7752
Q4
1/2 of IRF7752
Q3
1/2 of IRF7752
1.65K, 1%
1K, 1%
R1
R4
CTX5-2P, 3.5uH @ 2.5A
CTX5-1P, 3.4uH @ 2A
C2
10TPB100M, 100uF,
55m V , 1.5A rms
C9
10TPB100M, 100uF,
55m V , 1.5A rms
CTX5-2P, 3.5uH @ 2.5A
CTX10-5P, 5.7uH @ 2.5A
L2
L3
L2
1uH
L1
IRU3037 / IRU3037A
C1
47uF
C6
6TPB150M, 150uF, 55m V
C12
6TPB150M, 150uF, 55m V
6TPB150M, 150uF, 55m V (Qty 2)
6TPB150M, 150uF, 55m V (Qty 1)
IRU1206-18
C6
C3
47uF
3.3V/1.8A
1.8V/1A
2.5V/2A
15