High-Efficiency, Step-Up

DC-DC Converters for 1V Inputs

10

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Table 2. Surface-Mount Inductor Information

Table 1. Component Suppliers

SUPPLIER

PHONE

FAX

AVX

USA

(803) 946-0690

(803) 626-3123

(800) 282-4975

Coilcraft

USA

(847) 639-6400

(847) 639-1469

Coiltronics

USA

(561) 241-7876

(561) 241-9339

Dale

USA

(605) 668-4131

(605) 665-1627

Nichicon

USA

(847) 843-7500

(847) 843-2798

Japan

81-7-5231-8461

81-7-5256-4158

Sanyo

USA

(619) 661-6835

(619) 661-1055

Japan

81-7-2070-6306

81-7-2070-1174

Sprague

USA

(603) 224-1961

(603) 224-1430

Sumida

USA

(847) 956-0666

(847) 956-0702

Japan

81-3-3607-5111

81-3-3607-5144

TDK

USA

(847) 390-4373

(847) 390-4428

TRANSISTOR COUNT: 594

SUBSTRATE CONNECTED TO GND

__________________ Chip Information

Sumida CD54-221

1.57

350

220

(mA)

RESISTANCE

(

Ω)

Coilcraft DO1608-154

Coilcraft DO1608-224

2.3

220

Sumida CD54-151

1.1

1.7

400

270

Coilcraft DO1608-104

Sumida CD54-101

0.7

100

1.1

520

310

Sumida CD54-680

0.46

68

610

400

INDUCTOR SPECIFICATION

VENDOR/PART

Coilcraft DO1608-683

INDUCTANCE

(µH)

TDK NLC565050T-101K

1.6

250

0.75

150

TDK NLC565050T-151K

2.2

210