Multi-Output, Low-Noise Power-Supply
Controllers for Notebook Computers
Table 1. Component Selection for Standard 3.3V/5V Application
LOAD CURRENT
3A
COMPONENT
2A
4A
Input Range
4.75V to 18V
PDA
4.75V to 28V
4.75V to 24V
Workstation
200kHz
Application
Frequency
Notebook
300kHz
300kHz
1/2 IR IRF7301;
IR IRF7403 or IRF7401 (18V
max); Siliconix Si4412DY; or
Motorola MMSF5N03HD or
MMSF5N02HD (18V max)
Q1, Q3 High-Side
MOSFETs
1/2 Siliconix Si9925DQ; or
1/2 Motorola MMDF3N03HD or
MMDF4N01HD (10V max)
IR IRF7413 or
Siliconix Si4410DY
1/2 IR IRF7301;
IR IRF7403 or IRF7401 (18V
max); Siliconix Si4412DY; or
Motorola MMSF5N03HD or
MMSF5N02HD (18V max)
Q2, Q4 Low-Side
MOSFETs
1/2 Siliconix Si9925DQ; or
1/2 Motorola MMDF3N03HD or
MMDF4N01HD (10V max)
IR IRF7413 or
Siliconix Si4410DY
10µF, 30V Sanyo OS-CON;
22µF, 35V AVX TPS; or
Sprague 594D
2 x 10µF, 30V Sanyo OS-CON;
2 x 22µF, 35V AVX TPS; or
Sprague 594D
3 x 10µF, 30V Sanyo OS-CON;
4 x 22µF, 35V AVX TPS; or
Sprague 595D
C3 Input Capacitor
C1, C2 Output Capacitors
R1, R2 Resistors
220µF, 10V AVX TPS or
Sprague 595D
2 x 220µF, 10V AVX TPS or
Sprague 595D
4 x 220µF, 10V AVX TPS or
Sprague 595D
0.033Ω IRC LR2010-01-R033 or
Dale WSL2010-R033-F
0.02Ω IRC LR2010-01-R020 or
Dale WSL2010-R020-F
0.012Ω Dale WSL2512-R012-F
15µH, 2.4A Ferrite
10µH, 4A Ferrite
4.7µH, 5.5A Ferrite
Coilcraft DO3316P-153 or
Sumida CDRH125-150
Coilcraft DO3316P-103 or
Sumida CDRH125-100
Coilcraft DO3316-472 or
5.2µH, 6.5A Ferrite Sumida
CDRH127-5R2MC
L1, L2 Inductors
Table 2. Component Suppliers
FACTORY FAX
COMPANY
FACTORY FAX
(COUNTRY CODE)
USA PHONE
COMPANY
USA PHONE
(COUNTRY CODE)
AVX
(1) 803-626-3123
(1) 516-435-1824
803-946-0690
516-435-1110
Motorola
Murata-Erie
NIEC
(1) 602-994-6430
(1) 814-238-0490
(81) 3-3494-7414
(81) 7-2070-1174
(1) 408-970-3950
(1) 603-224-1430
(81) 3-3607-5144
(1) 847-390-4428
602-303-5454
814-237-1431
805-867-2555*
619-661-6835
408-988-8000
603-224-1961
847-956-0666
847-390-4373
Central
Semiconductor
Coilcraft
Coiltronics
Dale
(1) 847-639-1469
(1) 561-241-9339
(1) 605-665-1627
847-639-6400
561-241-7876
605-668-4131
Sanyo
Siliconix
Sprague
Sumida
TDK
International
Rectifier (IR)
(1) 310-322-3332
310-322-3331
IRC
(1) 512-992-3377
(1) 714-960-6492
512-992-7900
714-969-2491
Transpower
Technologies
(1) 702-831-3521
702-831-0140
Matsuo
*Distributor
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MAXIM [ MAXIM INTEGRATED PRODUCTS ]
