MAX1636 Maxim, MAX1636 Datasheet - Page 9

• Manufacturer Part Number: MAX1636
• Description: Low-Voltage / Precision Step-Down Controller for Portable CPU Power
• Manufacturer: Maxim

Table 1. Component Selection for Standard Applications
Input Voltage
Range
Output Voltage
Range
Application
Frequency
Q1 High-Side
MOSFET
Q2 Low-Side
MOSFET
C1 Input
Capacitor
C2 Output
Capacitor
R1 Resistor
L1 Inductor
COMPONENT
7V to 22V
1.8V
CPU I/O
300kHz
1/2 Si4902DY or
1/2 MMDF3NO3HD
1/2 Si4902DY or
1/2 MMDF3NO3HD
4.7µF, 25V ceramic
Tokin C34Y5U1E475Z
or Marcon/United
Chemicon
THCR40E1E475Z
220µF, 6.3V tantalum
Sprague
595D227X96R3C2
0.070Ω, 1% (1206)
Dale
WSL-1206-R070F
15µH
Sumida CD54-150
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1A
Low-Voltage, Precision Step-Down
Controller for Portable CPU Power
7V to 22V
1.8V
CPU Core
300kHz
International Rectifier
IRF7413,
Fairchild NDS8410A,
or Siliconix Si4410DY
International Rectifier
IRF7413,
Fairchild NDS8410A,
or Siliconix Si4410DY
2 x 10µF, 25V ceramic
Tokin C34Y5U1E106Z
or Marcon/United
Chemicon
THCR50E1E106ZT
2 x 470µF,
4V low-ESR
Sprague
594D477X0004R2T
0.015Ω, 1% (2512)
Dale
WSL-2512-R015F
4.6µH
Panasonic
ETQP1F4R6H,
Sumida
CDRH127-4R7,
Coiltronics
UP2-4R7, or
Coilcraft
DO3316P-472
4A
7V to 22V
1.25V to 2V
CPU Core
300kHz
International Rectifier
IRF7403 or
Siliconix Si9804DY
Fairchild FDS6680 or
Siliconix Si4420DY
4 x 10µF, 25V ceramic
Tokin C34Y5U1E106Z
or Marcon/United
Chemicon
THCR50E1E106ZT
4 x 390µF, 6.3V low-
ESR, Sprague
594D397X06R3R2T,
or 4 x 470µF, 4V
Sprague
594D477X0004R2T
0.010Ω, 1% (2512)
Dale
WSL-2512-R010F
2.2µH
Panasonic P1F2R0HL,
Sumida
CDRH127-2R4,
Coiltronics
UP4-2R2, or
Coilcraft
DO5022P-222HC
LOAD CURRENT
7A (EV KIT)
4.75V to 30V
3.3V
300kHz
International Rectifier
IRF7413,
Fairchild NDS8410A,
or Siliconix Si4410DY
International Rectifier
IRF7413,
Fairchild NDS8410A,
or Siliconix Si4410DY
2 x 22µF, 35V
AVX
TPSE226M035R0300
or
Sprague
593D226X0035E2W
2x 220µF
Sprague 594D
594D227X0010D2T
0.020Ω, 1% (2010)
Dale
WSL-2010-R020F
10µH
Sumida
CDRH125-100,
Coiltronics
UP2-100, or
Coilcraft
DO3316-103
3A
6V to 30V
5V
300kHz
International Rectifier
IRF7413,
Fairchild NDS8410A,
or Siliconix Si4410DY
International Rectifier
IRF7413,
Fairchild NDS8410A,
or Siliconix Si4410DY
2 x 22µF, 35V
AVX
TPSE226M035R0300
or
Sprague
593D226X0035E2W
2x 220µF
Sprague 594D
594D227X0010D2T
0.020Ω, 1% (2010)
Dale
WSL-2010-R020F
10µH
Sumida
CDRH125-100,
Coiltronics
UP2-100, or
Coilcraft
DO3316-103
3A
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