MAX15023_11 Datasheet, PDF (24/28 Pages) Maxim Integrated Products – Wide 4.5V to 28V Input, Dual-Output Synchronous Buck Controller

Wide 4.5V to 28V Input, Dual-Output
Synchronous Buck Controller
Typical Application Circuits
V_OUT1
12.1kΩ
12.1kΩ
EN1
200kΩ
PGOOD2
EN2
200kΩ
3300pF
22pF
30.1kΩ
16.2kΩ
V_IN
9V TO 16V
1µF
22.1kΩ
V_{CC 47kΩ}
1 24 23 21 20 22
1.62kΩ
2 _EN1
MAX15023
15 _PGOOD2
3 _EN2
RT ¹⁹
R_T
33kΩ
COMP2 ¹⁸
FB2 ¹⁷
390pF
3300pF
33pF
20kΩ
V_OUT2
45.3kΩ
10kΩ
PGOOD1
V_IN
V_{CC 47kΩ}
4 _PGOOD1
V_CC ¹⁶
4.7µF
V_CC
V_IN
10µF
10µF
25V
25V
V_OUT1
22µF
6.3V
1500µF
2.5V
DL1
Q1
FDS8880
0.8µH
2200pF
1.5Ω
C_BST1
0.22µF
9 _DH1
8
BST1
7
DH2 ¹⁰
11
BST2
5 6 13 14 12
C_BST2
0.22µF
Q3
FDS8880
Q2
FDS8880
Q5
FDS6982AS-Q2
10µF
Q4
25V
FDS6982AS-Q1
3.3µH
2200pF
1.5Ω
V_OUT2
22µF 22µF 22µF
6.3V 6.3V 6.3V
Figure 6. Application Diagram (Operation from a Single-Supply Rail, V_IN = 9V to 16V)
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