APU3146 Datasheet, PDF (17/28 Pages) Advanced Power Electronics Corp. – DUAL SYNCHRONOUS PWM CONTROLLER WITH CURRENT SHARING CIRCUITRY AND AUTO-RESTART

APU3146
12V
C1
47uF
L1
1uH
C2
47uF
PGood
C10
0.1uF
C12
1uF
C3
C4
1uF 1uF
C5
1uF
R2
33K
C8 ^R3
20nF _2.8K
C13
VCL VcH1 VOUT3 VcH2
1uF
Vcc
Hiccup
HDrv1
OCSet1
LDrv1
R1
7.8K
VP2
VREF
PGnd1
Sync
Rt
U1
APU3146 ^{VSEN1 VSEN1}
Comp1
VSEN2 ^VSEN2
Fb1
Fb2
C9 ^R4
18nF _2.61K
Comp2
C15
0.1uF
PGood
SS1 / SD
SS2 / SD
HDrv2
R6
OCSet2
7.8K
LDrv2
PGnd2
Gnd
D1
BAT54S
C14
2x 47uF
16TPB47M
Q2
IRF7457
C11
0.1uF
L3
Q3
IRF7457
1.7uH
D2
VSEN1
BAT54A
R20
1.24K
R21
1K
1.8V @ 10A
C16
4x 330uF, 40mΩ
6TPB330M
R7
1.24K
C17
2x 47uF
16TPB47M
Q4
IRF7457
L4
Q5
IRF7457
VSEN2
1.7uH
R22
2.24K
R23
1K
R8
R5 ^1K
1K
R9
2.14K
2.5V @ 10A
C18
2x 330uF, 40mΩ
6TPB330M
Figure 19 - Typical application of APU3146.
12V input and two independent outputs.
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