IRU3037 IRF [International Rectifier], IRU3037 Datasheet - Page 17

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

DEMO-BOARD APPLICATION
5V or 12V to 3.3V @ 10A
Application Parts List
Rev. 2.8
03/10/03
Q1
Q2
U1
D1, D2, D4
L1
L2
C1
C2A, C2B
C9B, C9C
C5, C6
C3
C4
C7
C8, C13, C19
R3
R4
R5
R6
Gnd
V
5V or 12V
IN
Ref Desig
2200pF
C1
33uF
16V
0.1uF
1uF
C5
C8
C4
20K
R3
MOSFET
MOSFET
Controller
Diode
Inductor
Inductor
Capacitor, Tantalum
Capacitor, Poscap
Capacitor, Poscap
Capacitor, Ceramic
Capacitor, Ceramic
Capacitor, Ceramic
Capacitor, Ceramic
Capacitor, Ceramic
Resistor
Resistor
Resistor
Resistor
SS/SD
Vcc
Comp
Description
IRU3037
1uH
L1
LL4148
Gnd
Figure 21 - Demo-board application of IRU3037.
U1
D4
Vc
HDrv
LDrv
Fb
47uF
C2A
16V
C3
1uF
20V, 7mV, 15A
20V, 10mV, 12A
Synchronous PWM
Fast Switching
1mH, 10A
3.3mH, 12A
33mF, 16V
47mF, 16V, 70mV
150mF, 6.3V, 40mV
0.1mF, Y5V, 25V
1mF, X7R, 25V
2200pF, X7R, 50V
470pF, X7R
1mF, Y5V, 16V
20K, 5%
4.7V, 5%
1K, 1%
1.65K, 1%
R5
1K
www.irf.com
IRF7460
Value
C2B
47uF
16V
C19
1uF
1.65K
R6
Q2
Q1
IRF7457
LL4148
D2
R4
4.7 V
Qty
C7
470pF
1
1
1
3
1
1
1
2
2
2
1
1
1
3
1
1
1
1
IRU3037 / IRU3037A
D1
LL4148
IRF7457
IRF7460
IRU3037
LL4148
D03316P-102HC
D05022P-332HC
ECS-T1CD336R
16TPB47M
6TPC150M
ECJ-2VF1E104Z
ECJ-3YB1E105K
ECJ-2VB1H222K
ECJ-2VB2D471K
ECJ-2VF1C105Z
C6
0.1uF
3.3uH
L2
Part#
C9B
150uF
6.3V
C9C
150uF
6.3V
IR
IR
IR
Coilcraft
Coilcraft
Panasonic
Sanyo
Sanyo
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Manuf
C13
1uF
Gnd
V
3.3V
@ 10A
OUT
17