Rainbow Electronics MAX1625 User Manual
Page 11

MAX1624/MAX1625
High-Speed Step-Down Controllers with
Synchronous Rectification for CPU Power
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11
Table 1. Component List for Standard 3.3V Applications by Load Current*
(Output Voltage = 3.3V, Frequency = 500kHz)
*
MAX1624: LG = REF, D4–D0 = 10010.
C10 Capacitor
CC1 Capacitor
D2 Rectifier
L1 Inductor
R2 Resistor
R3 Resistor
Application Equipment
R11 Resistor (MAX1624)
C1 Input Capacitor
100µF, 10V Sanyo
OS-CON 10SL100M
Optional (see text)
680pF ceramic
1.5µH, 8A Coiltronics UP2-1R5
200k
Ω
, 1% resistor
100k
Ω
, 1% resistor
Power PC/Pentium/GTL
bus termination
3 x 100µF, 10V Sanyo
OS-CON 10SL100M
1000pF ceramic
0.5µH, 17A Coilcraft
DO5022P-501HC
N/A
N/A
Pentium Pro
500m
Ω
Dale WSL-2512-R500
C2 Output Capacitor
2 x 220µF, 4V Sanyo
OS-CON 4SP220M
3 x 220µF, 4V Sanyo
OS-CON 4SP220M
0.056µF ceramic
0.056µF ceramic
CC2 Capacitor
Optional Schottky,
Nihon
NSQ03A02
Optional Schottky,
Nihon
NSQ03A02
D1 Rectifier
1k
Ω
, 5% resistor
1k
Ω
, 5% resistor
RC1 Resistor
International Rectifier IRF7413
International Rectifier
IRL3103S, D
2
PAK
N1 High-Side MOSFET
International Rectifier IRF7413
International Rectifier
IRL3103S, D
2
PAK
International Rectifier IRF7107
N3/P1 (MAX1624)
N2 Low-Side MOSFET
12m
Ω
Dale WSL-2512-R012-F
2 x 12m
Ω
in parallel,
Dale WSL-2512-R012-F
R1 Resistor
6A
12A
COMPONENT
3 x 2700µF, 6.3V
aluminum electrolytic,
Sanyo 6MV2700GX
1000pF ceramic
Central Semiconductor
CMPSH-3
0.5µH Coiltronics UP4-R47,
Coilcraft DO5022P-501HC
N/A
N/A
Pentium Pro
N/A
DESCRIPTION BY LOAD CURRENT
4 x 2700µF, 6.3V
aluminum electrolytic,
Sanyo 6MV2700GX
0.056µF ceramic
Optional Schottky,
Nihon
NSQ03A02
11A
(LOW-COST V
RM
)
1k
Ω
, 5% resistor
International Rectifier IRF7413
x 2
International Rectifier IRF7413
x 2
2 x 12m
Ω
in parallel
Dale WSL-2512-R012-F
Central Semiconductor
CMPSH-3
Central Semiconductor
CMPSH-3