MAX1637 Datasheet, PDF (8/20 Pages) Maxim Integrated Products – Miniature, Low-Voltage, Precision Step-Down Controller

Miniature, Low-Voltage,
Precision Step-Down Controller
Table 1. Component Selection for Standard Applications
COMPONENT
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
2A
7V to 22V
2.5V
Chipset Supply
300kHz
1/2 Si4902DY or
1/2 MMDF3NO3HD
1/2 Si4902DY or
1/2 MMDF3NO3HD
10µF, 25V ceramic
Tokin C34Y5U1E106Z
or Marcon/United
Chemicon
THCR40E1E106ZT
220µF, 6.3V tantalum
Sprague
595D227X96R3C2
0.033Ω, 1% (2010)
Dale WSL-2010-R033F
10µH
Coilcraft
DO3316P-103 or
Coiltronics UP2-100
LOAD CURRLEONATD CURRENT
3A (EV KIT)
7A (EV KIT)
7V to 22V
7V to 22V
2.5V
1.7V
Chipset Supply
CPU Core
300kHz
300kHz
International Rectifier
IRF7403 or
Siliconix Si4412
Fairchild FDS9412 or
International Rectifier
IRF7403
International Rectifier
IRF7413 or
Siliconix Si4410DY
Fairchild FDS6680 or
Siliconix Si4420DY
10µF, 25V ceramic
Tokin C34Y5U1E106Z
or Marcon/United
Chemicon
THCR40E1E106ZT
4 x 10µF, 25V ceramic
Tokin C34Y5U1E106Z
or Marcon/United
Chemicon
THCR40E1E106ZT
470µF, 6.3V tantalum
Kemet
T510X477(1)006AS or
470µF, 4V tantalum
Sprague
594D477X0004R2T
0.020Ω, 1% (2010)
Dale WSL-2010-R020F
10µH
Sumida CDRH125-100
3 x 470µF, 6.3V tantalum
Kemet
T510X477(1)006AS or
470µF, 4V tantalum
Sprague
594D477X0004R2T
0.010Ω, 1% (2512)
Dale WSL-2512-R010F
2.2µH
Panasonic P1F2R0HL or
Coiltronics UP4-2R2 or
Coilcraft
DO5022P-222HC
3A
4.75V to 30V
3.3V
General Purpose
300kHz
International Rectifier
IRF7403 or
Siliconix Si4412
International Rectifier
IRF7413 or
Siliconix Si4410DY
10µF, 30V
Sanyo OS-CON
470µF, 6.3V tantalum
Kemet
T510X477(1)006AS or
470µF, 4V tantalum
Sprague
594D477X0004R2T
0.020Ω, 1% (2010)
Dale WSL-2010-R020F
10µH Sumida
CDRH125-100
Table 2. Component Suppliers
COMPANY
AVX
FACTORY FAX
(COUNTRY CODE)
(1) 803-626-3123
USA PHONE
[phone]
Central
Semiconductor
(1) 516-435-1824
[phone]
Coilcraft
Coiltronics
Dale
Fairchild
(1) 847-639-1469
(1) 561-241-9339
(1) 605-665-1627
(1) 408-721-1635
[phone]
[phone]
[phone]
[phone]
International
Rectifier (IR)
(1) 310-322-3332 [phone]
IRC
(1) 512-992-3377 [phone]
COMPANY
Marcon/United
Chemi-Con
Matsuo
Motorola
Panasonic
Sanyo
Siliconix
Sprague
Sumida
TDK
Tokin
FACTORY FAX
(COUNTRY CODE)
(1) 847-696-9278
(1) 714-960-6492
(1) 602-994-6430
(1) 714-373-7183
(81) 7-2070-1174
(1) 408-970-3950
(1) 603-224-1430
(81) 3-3607-5144
(1) 847-390-4428
(1) 408-434-0375
USA PHONE
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
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