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IRU3037ACFPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21
16
IRU3037/IRU3037A & (PbF)
www.irf.com
TYPICAL APPLICATION
1.8V to 7.5V / 0.5A Boost Converter
Figure 19 - Typical application of IRU3037 as a boost converter.
SS/SD
Comp
Vc
HDrv
Fb
Vcc
LDrv
Gnd
IRU3037
U1
R2
10K
R3
20K
Vpwr (1.5V Min)
Vc/Vcc
V
OUT
(7.5V / 0.5A)
Gnd
C9
2x 47uF
D1
1N5817
L1
1uH (CoilTronics UP2B-1R0)
C1
2x 68uF
5K, 1%
1K, 1%
C8
1uF
R4
25K
R1
20K
Q2
2N2222
Q1
2N2222
C5
1uF
Q3
IRF7402
C4
0.01uF
C5
0.1uF
C10
100pF
R5 R6
IRU3037/IRU3037A & (PbF)
17
www.irf.com
DEMO-BOARD APPLICATION
5V or 12V to 3.3V @ 10A
Ref Desig Description Value Qty Part# Manuf
1
1
1
3
1
1
1
2
2
2
1
1
1
3
1
1
1
1
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
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
IRF7457
IRF7460
IRU3037
LL4148
D03316P-102HC
D05022P-332HC
ECS-T1CD336R
16TPB47M
6TPC150M
ECJ-2VF1E104Z
ECJ-3YB1E105K
ECJ-2VB1H222K
ECJ-2VB2D471K
ECJ-2VF1C105Z
IR
IR
IR
Coilcraft
Coilcraft
Panasonic
Sanyo
Sanyo
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Application Parts List
20V, 7mΩ, 15A
20V, 10mΩ, 12A
Synchronous PWM
Fast Switching
1µH, 10A
3.3µH, 12A
33µF, 16V
47µF, 16V, 70mΩ
150µF, 6.3V, 40mΩ
0.1µF, Y5V, 25V
1µF, X7R, 25V
2200pF, X7R, 50V
470pF, X7R
1µF, Y5V, 16V
20K, 5%
4.7Ω, 5%
1K, 1%
1.65K, 1%
Figure 20 - Demo-board application of IRU3037.
IRU3037
U1
Vcc Vc
HDrv
LDrv
Fb
Gnd
Comp
SS/SD
L2
L1
Gnd
Gnd
V
IN
5V or 12V
R6
Q2
Q1
IRF7457
IRF7460
D2
C2A
47uF
16V
C2B
47uF
16V
R3
20K
C1
33uF
16V
D1
LL4148
LL4148
C6
0.1uF
3.3uH
C7
470pF
R4
4.7
Ω
C9B
150uF
6.3V
C13
1uF
1uH
C3
1uF
C19
1uF
C8
1uF
C5
0.1uF
C4
2200pF
1.65K
D4
LL4148
V
OUT
3.3V
@ 10A
R5
1K
C9C
150uF
6.3V
18
IRU3037/IRU3037A & (PbF)
www.irf.com
Figure 21 - Efficiency for IRU3037 Evaluation Board.
Figure 22 - Start-up time @ IOUT=5A.
Figure 23 - Shutdown the output by
pulling down the soft-start.
Figure 24 - 3.3V output voltage ripple @ IOUT=5A.
Figure 25 - Transient response @ IOUT = 0 to 2A. Figure 26 - Transient response @ IOUT = 0 to 4A.
V
IN
=5.0V, V
OUT
=3.3V
70
80
90
100
01234567891011
Output Current (A)
Efficiency (%)
DEMO-BOARD WAVEFORMS
IRU3037
IRU3037
IRU3037
IRU3037
IRU3037
2A
0A
0A
4A
Vss
VOUT
IOUT = 5V
VIN
VOUT
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21

IRU3037ACFPBF

Mfr. #:
Buy IRU3037ACFPBF
Manufacturer:
Infineon Technologies
Description:
IC REG CTRLR BUCK/BOOST 8TSSOP
Lifecycle:
New from this manufacturer.
Delivery:
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