APU3146 Advanced Power Electronics Corp., APU3146 Datasheet - Page 24

• Manufacturer Part Number: APU3146
• Description: The APU3046 IC combines a Dual synchronous Buck controller and a linear regulator controller, providing a cost-effective, high performance and flexible solution for multi-output applications
• Manufacturer: Advanced Power Electronics Corp.

Specifications of APU3146

• Vin(min): 0.8
• Vin(max): 16
• Vout(min): 0.8
• Vout(max): 5
• Iout(max): 30
• Frequency: 200~500KHz
• Power Good: ?
• Package: 28-Pin TSSOP ,28-Pin SOIC

APU3146
TYPICAL APPLICATION
12V
5V
47uF
PGood
C20
1uF
C1
Figure 38 - Typical application of APU3146 using 5V and 12V supplies to generate single output voltage.
47uF
1uH
BAT54S
C18
150uF
L1
C2
1uH
L2
D3
0.1uF
C10
C3
1uF
C17
3x 150uF
22nF
4.7nF
C8
C9
C6 120pF
C7 27pF
33K
R2
C5
1uF
C4
1uF
23K
2.2K
R3
R4
C19
0.1uF
V
Vcc
Hiccup
Sync
V
Rt
Comp1
Comp2
PGood
SS1 / SD
SS2 / SD
CL
REF
C13
1uF
VcH1
APU3146
1.8V @ 30A using inductor sensing.
U1
V
OUT3
OCSet1
OCSet2
PGnd2
PGnd1
HDrv2
HDrv1
LDrv1
LDrv2
V
V
VcH2
Gnd
C12
1uF
SEN1
SEN2
Fb1
Fb2
V
P2
12K
12K
R1
R6
IRFR3706
IRFR3711
Q5
Q4
Q2
IRFR3706
Q3
IRFR3711
C14
3x 47uF
D2
BAT54A
R5
1K
R9
1K
D1
BAT54S
2m Ω DCR
2m Ω DCR
C11
0.1uF
1uH,
1uH,
L3
L4
1uF
C22
1uF
C21
R20
1.24K
R21
1K
R7
1.24K
R8
1K
C16
8x 330uF, 40m Ω
6TPB330M
1.8V @ 30A
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