Rainbow Electronics MAX8514 - Manual (Page 31)

MAX8513/MAX8514
Wide-Input, High-Frequency, Triple-Output Supplies
with Voltage Monitor and Power-On Reset
______________________________________________________________________________________ 31
PVL IN
GND
COMP1
BST
DH
LX
DL
FREQ
PGND
DRV2
FB2
DRV3P
FB3P
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
340Ω
R6
160Ω
R7
10.7kΩ
C6
10µF
V OUT2
2.5V, 1.5A
V OUT1
3.3V, 2A
V IN
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
n2/n1 = 20:6
(COILTRONICS, CTX 03-16101)
R13
11.3kΩ
R12
1kΩ
V OUT3P
12V, 50mA
R14
806Ω
L1B
C8
1µF
C7
1µF
Q4
40V, 200mA
PNP
(MMBT3906)
D2
CMPD4448
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
PFO
POR
IC1
MAX8513
R26
1.5kΩ
Figure 5. MAX8513 Typical Applications Circuit