MAX1624 Datasheet, PDF (11/24 Pages) Maxim Integrated Products – High-Speed Step-Down Controllers with Synchronous Rectification for CPU Power

High-Speed Step-Down Controllers with
Synchronous Rectification for CPU Power
Table 1. Component List for Standard 3.3V Applications by Load Current*
(Output Voltage = 3.3V, Frequency = 500kHz)
COMPONENT
Application Equipment
C1 Input Capacitor
C2 Output Capacitor
C10 Capacitor
CC1 Capacitor
CC2 Capacitor
D1 Rectifier
D2 Rectifier
L1 Inductor
N1 High-Side MOSFET
N2 Low-Side MOSFET
N3/P1 (MAX1624)
R1 Resistor
R2 Resistor
R3 Resistor
R11 Resistor (MAX1624)
RC1 Resistor
6A
Power PC/Pentium/GTL
bus termination
DESCRIPTION BY LOAD CURRENT
12A
11A
(LOW-COST V_RM)
Pentium Pro
Pentium Pro
100µF, 10V Sanyo
OS-CON 10SL100M
3 x 100µF, 10V Sanyo
OS-CON 10SL100M
3 x 2700µF, 6.3V
aluminum electrolytic,
Sanyo 6MV2700GX
2 x 220µF, 4V Sanyo
OS-CON 4SP220M
3 x 220µF, 4V Sanyo
OS-CON 4SP220M
4 x 2700µF, 6.3V
aluminum electrolytic,
Sanyo 6MV2700GX
Optional (see text)
680pF ceramic
1000pF ceramic
1000pF ceramic
0.056µF ceramic
0.056µF ceramic
0.056µF ceramic
Optional Schottky,
Nihon
NSQ03A02
Optional Schottky,
Nihon
NSQ03A02
Optional Schottky,
Nihon
NSQ03A02
Central Semiconductor
CMPSH-3
Central Semiconductor
CMPSH-3
Central Semiconductor
CMPSH-3
1.5µH, 8A Coiltronics UP2-1R5
0.5µH, 17A Coilcraft
DO5022P-501HC
0.5µH Coiltronics UP4-R47,
Coilcraft DO5022P-501HC
International Rectifier IRF7413
International Rectifier
IRL3103S, D²PAK
International Rectifier IRF7413
x2
International Rectifier IRF7413
International Rectifier
IRL3103S, D²PAK
International Rectifier IRF7413
x2
International Rectifier IRF7107
12mΩ Dale WSL-2512-R012-F
2 x 12mΩ in parallel,
Dale WSL-2512-R012-F
2 x 12mΩ in parallel
Dale WSL-2512-R012-F
200kΩ, 1% resistor
100kΩ, 1% resistor
1kΩ, 5% resistor
N/A
N/A
500mΩ Dale WSL-2512-R500
1kΩ, 5% resistor
N/A
N/A
N/A
1kΩ, 5% resistor
*MAX1624: LG = REF, D4–D0 = 10010.
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