Multi-Output, Low-Noise Power-Supply

Controllers for Notebook Computers

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9

Input Range

Application

Table 1. Component Selection for Standard 3.3V/5V Application

Table 2. Component Suppliers

4.75V to 18V

PDA

2A

4.75V to 28V

Notebook

3A

4.75V to 24V

Workstation

4A

Frequency

300kHz

1/2 IR IRF7301;

1/2 Siliconix Si9925DQ; or

1/2 Motorola MMDF3N03HD or

MMDF4N01HD (10V max)

300kHz

IR IRF7403 or IRF7401 (18V

max); Siliconix Si4412DY; or

Motorola MMSF5N03HD or

MMSF5N02HD (18V max)

200kHz

IR IRF7413 or

Siliconix Si4410DY

Q1, Q3 High-Side

MOSFETs

Q2, Q4 Low-Side

MOSFETs

1/2 IR IRF7301;

1/2 Siliconix Si9925DQ; or

1/2 Motorola MMDF3N03HD or

MMDF4N01HD (10V max)

10µF, 30V Sanyo OS-CON;

22µF, 35V AVX TPS; or

Sprague 594D

IR IRF7403 or IRF7401 (18V

max); Siliconix Si4412DY; or

Motorola MMSF5N03HD or

MMSF5N02HD (18V max)

2 x 10µF, 30V Sanyo OS-CON;

2 x 22µF, 35V AVX TPS; or

Sprague 594D

IR IRF7413 or

Siliconix Si4410DY

3 x 10µF, 30V Sanyo OS-CON;

4 x 22µF, 35V AVX TPS; or

Sprague 595D

C1, C2 Output Capacitors

220µF, 10V AVX TPS or

Sprague 595D

0.033

Ω IRC LR2010-01-R033 or

Dale WSL2010-R033-F

2 x 220µF, 10V AVX TPS or

Sprague 595D

0.02

Ω IRC LR2010-01-R020 or

Dale WSL2010-R020-F

4 x 220µF, 10V AVX TPS or

Sprague 595D

0.012

Ω Dale WSL2512-R012-F

R1, R2 Resistors

C3 Input Capacitor

15µH, 2.4A Ferrite

Coilcraft DO3316P-153 or

Sumida CDRH125-150

10µH, 4A Ferrite

Coilcraft DO3316P-103 or

Sumida CDRH125-100

4.7µH, 5.5A Ferrite

Coilcraft DO3316-472 or

5.2µH, 6.5A Ferrite Sumida

CDRH127-5R2MC

L1, L2 Inductors

AVX

(1) 803-626-3123

(1) 516-435-1824

FACTORY FAX

(COUNTRY CODE)

(803) 946-0690

(516) 435-1110

USA PHONE

Coilcraft

(1) 847-639-1469

(847) 639-6400

Central

Semiconductor

COMPANY

Coiltronics

(1) 561-241-9339

(1) 605-665-1627

(561) 241-7876

(605) 668-4131

International

Rectifier (IR)

(1) 310-322-3332

(310) 322-3331

Dale

IRC

(1) 512-992-3377

(1) 714-960-6492

(512) 992-7900

(714) 969-2491

Matsuo

Motorola

(1) 602-994-6430

(81) 3-3494-7414

FACTORY FAX

(COUNTRY CODE)

(602) 303-5454

(805) 867-2555*

USA PHONE

Siliconix

(1) 408-970-3950

(1) 603-224-1430

Sanyo

(81) 7-2070-1174

(408) 988-8000

(619) 661-6835

(603) 224-1961

Sumida

(81) 3-3607-5144

(847) 956-0666

Sprague

TDK

(1) 847-390-4428

(1) 702-831-3521

(847) 390-4373

(702) 831-0140

Transpower

Technologies

NIEC

COMPANY

Murata-Erie

(1) 814-238-0490

(814) 237-1431

*

Distributor

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