MAX742 Maxim, MAX742 Datasheet - Page 8
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MAX742
Manufacturer Part Number
MAX742
Description
Switch-Mode Regulator with +5V to 12V or 15V Dual Output
Manufacturer
Maxim
Datasheet
1.MAX742.pdf
(12 pages)
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Switch-Mode Regulator with
+5V to ±12V or ±15V Dual Output
Figure 2. Standard 6W Application Circuit
8
4.5V to 6V*
* FOR HIGHER INPUT VOLTAGE, SEE
SUPPLY-VOLTAGE RANGE SECTION.
_______________________________________________________________________________________
VIN
C1
0.1 F
100
R1
J1
3.3nF
10 F
C5
C4
C3
3.3nF
C2
1
FB+
CC+
AGND
AV+
100/200
12/15
VREF
SS
CC-
FB-
MAX742
PUMP
CSH+
CSL+
PDRV
CSH-
EXT+
CSL-
GND
EXT-
V+
1 F
C6
D3
1 F
C7
100 H
0.16
100 H
D4
R2
L1
L2
POINT
A
Q1
Q2
R3
0.1
D2
150 F
C10
D1
150 F
150 F
C11
C8
150 F
150 F
C13
0.1 F
DISC CERAMIC
NOTES:
Q1 = Motorola MTP15N05L
Q2 = Motorola MTP12P05
L1, L2 = MAXL001
C8–C12 = MAXC001
D1, D2 = 1N5817
D3, D4 = Fuji ERA82-004 or 1N5817
R2, R3 = RCD RSF 1A Metal Film ±3%
L3, L4 = Wilco MFB 250
C12
C9
25 H
25 H
OPTIONAL
OPTIONAL
L3
L4
2.2 F
2.2 F
C14
C15
+VO
-VO