MAX1636(1997) Ver la hoja de datos (PDF) - Maxim Integrated

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MAX1636
(Rev.:1997)

Low-Voltage, Precision Step-Down Controller for Portable CPU Power

Maxim Integrated 

Low-Voltage, Precision Step-Down

Controller for Portable CPU Power

Table 1. Component Selection for Standard Applications

COMPONENT

1A

LOAD CURRENT

4A

7A (EV KIT)

3A

Input Voltage

Range

7V to 22V

7V to 22V

7V to 22V

4.75V to 30V

Output Voltage

Range

1.8V

1.8V

1.25V to 2V

3.3V

Application

Frequency

CPU I/O

300kHz

CPU Core

300kHz

CPU Core

300kHz

300kHz

3A

6V to 30V

5V

300kHz

Q1 High-Side

MOSFET

1/2 Si4902DY or

1/2 MMDF3NO3HD

International Rectifier

IRF7413,

Fairchild NDS8410A,

or Siliconix Si4410DY

International Rectifier

IRF7403 or

Siliconix Si9804DY

International Rectifier

IRF7413,

Fairchild NDS8410A,

or Siliconix Si4410DY

International Rectifier

IRF7413,

Fairchild NDS8410A,

or Siliconix Si4410DY

Q2 Low-Side

MOSFET

1/2 Si4902DY or

1/2 MMDF3NO3HD

International Rectifier

IRF7413,

Fairchild NDS8410A,

or Siliconix Si4410DY

Fairchild FDS6680 or

Siliconix Si4420DY

International Rectifier

IRF7413,

Fairchild NDS8410A,

or Siliconix Si4410DY

International Rectifier

IRF7413,

Fairchild NDS8410A,

or Siliconix Si4410DY

C1 Input

Capacitor

C2 Output

Capacitor

R1 Resistor

L1 Inductor

4.7µF, 25V ceramic

Tokin C34Y5U1E475Z

or Marcon/United

Chemicon

THCR40E1E475Z

2 x 10µF, 25V ceramic

Tokin C34Y5U1E106Z

or Marcon/United

Chemicon

THCR50E1E106ZT

4 x 10µF, 25V ceramic

Tokin C34Y5U1E106Z

or Marcon/United

Chemicon

THCR50E1E106ZT

2 x 22µF, 35V

AVX

TPSE226M035R0300

or

Sprague

593D226X0035E2W

2 x 22µF, 35V

AVX

TPSE226M035R0300

or

Sprague

593D226X0035E2W

220µF, 6.3V tantalum

Sprague

595D227X96R3C2

2 x 470µF,

4V low-ESR

Sprague

594D477X0004R2T

4 x 390µF, 6.3V low-

ESR, Sprague

594D397X06R3R2T,

or 4 x 470µF, 4V

Sprague

594D477X0004R2T

2x 220µF

Sprague 594D

594D227X0010D2T

2x 220µF

Sprague 594D

594D227X0010D2T

0.070Ω, 1% (1206)

Dale

WSL-1206-R070F

0.015Ω, 1% (2512)

Dale

WSL-2512-R015F

0.010Ω, 1% (2512)

Dale

WSL-2512-R010F

0.020Ω, 1% (2010)

Dale

WSL-2010-R020F

0.020Ω, 1% (2010)

Dale

WSL-2010-R020F

15µH

Sumida CD54-150

4.6µH

Panasonic

ETQP1F4R6H,

Sumida

CDRH127-4R7,

Coiltronics

UP2-4R7, or

Coilcraft

DO3316P-472

2.2µH

Panasonic P1F2R0HL,

Sumida

CDRH127-2R4,

Coiltronics

UP4-2R2, or

Coilcraft

DO5022P-222HC

10µH

Sumida

CDRH125-100,

Coiltronics

UP2-100, or

Coilcraft

DO3316-103

10µH

Sumida

CDRH125-100,

Coiltronics

UP2-100, or

Coilcraft

DO3316-103

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