Rainbow Electronics MAX8514 - Manual (Page 32)

MAX8513/MAX8514
Wide-Input, High-Frequency, Triple-Output Supplies
with Voltage Monitor and Power-On Reset
32 ______________________________________________________________________________________
PVL IN
GND
COMP1
BST
DH
LX
DL
FREQ
PGND
DRV2
FB2
L1A
C1
1µF
D1
100mA, 30V
(CMOSH-3)
C2
10µF
C5
4.7nF
R3
6.8kΩ
C3
0.1µF
Q1
Q2
Q3
30V, 23A
N-CHANNEL
MOSFET
(IRLR2703)
R5
1.74kΩ
R6
806Ω
R7
10.7kΩ
C6
10µF
V OUT2
2.5V, 1.5A
V OUT1
3.3V, 2A
V IN 9V to 16V
FB1
POR
30V, 5.5A DUAL N-CHANNEL
(FDS6984S)
REF
PFO
SEQ
PFI
C9
0.1µF
R10
68.1kΩ
R11
12.4kΩ
R8
100kΩ R9
100kΩ
VL
EN/SYNC
SUP2
C10
2.2µF
R15
10Ω
C12
33pF
FB1
R A
100Ω
C A
0.68µF
SS
CSP CSN
ILIM
V OUT1
CSP
R17
665kΩ
R18
66.5kΩ
C13
0.1µF
COUPLED INDUCTOR
L1A = 1.8µH, 4.5A/0.01Ω
SUP3N
C4
47µF
R1
13.3kΩ
R2
8.06kΩ
C11
680pF
R4
620Ω
CSN
R19
200Ω R20
200Ω
C14
0.47µF
C20
1000pF
R25
5.1Ω
CSN CSP
C22
1000pF
R14
3.31kΩ
V REF3N
IC1
MAX8514
DRV3P
FB3P
R13
12.1kΩ
R12
1kΩ
V OUT3P
12V, 50mA
L1B
C8
1µF
C7
1µF
Q4
40V, 200mA
NPN
(MMBT3904)
D2
CMPD4448
R26
1.5kΩ
PFO
POR
Figure 6. MAX8514 Typical Applications Circuit