MAX742 Maxim, MAX742 Datasheet - Page 9

• Manufacturer Part Number: MAX742
• Description: Switch-Mode Regulator with +5V to 12V or 15V Dual Output
• Manufacturer: Maxim

Figure 3. High-Power 22W Application Circuit
4.5V to 6V*
* FOR HIGHER INPUT VOLTAGE, SEE
SUPPLY-VOLTAGE RANGE SECTION.
VIN
C1
0.1 F
100
R1
J1
2.2 F
6.8nF
10 F
C5
C4
C3
_______________________________________________________________________________________
6.8nF
C2
1
FB+
CC+
AGND
AV+
100/200
12/15
VREF
SS
CC-
FB-
MAX742
+5V to ±12V or ±15V Dual Output
330 F
C13
PUMP
CSH+
PDRV
CSL+
EXT+
CSH-
CSL-
GND
EXT-
V+
Switch-Mode Regulator with
1 F
C6
D3
1N914
C7
1 F
1N914
0.02
25 H
D4
25 H
L1
R2
L2
Q1
Q2
R3
0.02
1000 F
1N5820
1N5820
D2
D1
C10
10V
1000 F
C8
DISC CERAMIC
0.1 F
C14
NOTES:
Q1 = Motorola MTP25N06L
Q2 = International Rectifier IRF9Z30
L1, L2 = Gowanda 121AT2502VC
R2, R3 = KRL LB4-1 ±3%
C8–C13 = Nichicon PL Series (25V or 35V)
1000 F
C11
C9
1000 F
+VO
1000 F
C12
-VO
9