MAX1966 Maxim, MAX1966 Datasheet - Page 12

• Manufacturer Part Number: MAX1966
• Description: Low-Cost Voltage-Mode PWM Step-Down Controllers
• Manufacturer: Maxim

Low-Cost Voltage-Mode PWM
Step-Down Controllers
Table 1. Component Selection for Standard Applications
12
DESIGNATION
N
N
______________________________________________________________________________________
1
Dual
1
Dual
C1
C2
C3
C4
C5
C6
C7
D1
R1
R2
R3
C1
C2
C3
C4
C5
C6
C7
D1
R1
R2
R3
R4
L1
L1
+ N
+ N
2
2
1µF ceramic capacitor
Sanyo MV-WX series,
1000µF, 16V,
23m , 1.82A
Sanyo MV-WX series,
1500µF, 6.3V,
23m , 1.82A
0.1µF ceramic capacitor
0.1µF ceramic capacitor
10nF
0.1µF ceramic capacitor
Schottky diode, Central Semiconductor CMPSH-3
22µH, 3A, Coilcraft
Fairchild FDS9926A dual 110m or International
Rectifier IRF7501 135m
1.25k
1k
50k
1µF ceramic capacitor
220µF 16V, 0.11 ESR,
460mA ripple rated,
Sanyo MV-GX series
470µF 6.3V, 0.11 ESR
0.1µF ceramic capacitor
0.1µF ceramic capacitor
10nF
2.2µF ceramic
Schottky diode, Central Semiconductor CMPSH-3
22µH, 3A, Coilcraft
Fairchild FDS9926A 110m , or International Rectifier
IRF7501 135m
1.25k
1k
50k
10
MAX1966 (FIGURE 3)
MAX1967 (FIGURE 4)
VIN = 2.7V TO 5.5V
VIN = 4.9V TO 14V
VOUT = 1.8V, 3A
VOUT = 1.8V, 3A
1µF ceramic capacitor
Sanyo MV-WX series,
1000µF, 35V,
18m , 2.77A
Sanyo MV-WX series,
1800µF, 16V,
21m , 2.36A
0.1µF ceramic capacitor
0.1µF ceramic capacitor
10nF
0.1µF ceramic capacitor
Schottky diode, Central Semiconductor CMPSH-3
10µH, 5A, Coilcraft
Fairchild FDS9926A dual
20V, 18m , 7.5A
1.25k
1k
50k
1µF ceramic capacitor
Sanyo MV-WX series,
1000µF, 35V,
18m , 2.77A
Sanyo MV-WX series
0.1µF ceramic capacitor
0.1µF ceramic capacitor
10µF
2.2µF ceramic capacitor
Schottky diode, Central Semiconductor CMPSH-3
10µH, 5A, Coilcraft
Fairchild FDS6982, 35m
1.25k
1k
50k
10
MAX1966 (FIGURE 3)
MAX1967 (FIGURE 4)
VIN = 2.7V TO 5.5V
VIN = 4.9V TO 24V
VOUT = 1.8V, 5A
VOUT = 1.8V, 5A