8

FN6829.3

July 9, 2009

Typical Applications

C2

4.7µF

L

SW

GND

FB

VIN

EN

INPUT: 2.7V TO 6V

OUTPUT

UP TO 500mA

C1

4.7µ F

ISL9104, ISL9104A FIXED OUTPUT

1.0µH

C2

4.7µF

L

SW

GND

FB

VIN

EN

INPUT: 2.7V TO 6V

OUTPUT

UP TO 500mA

C1

4.7µF

ISL9104, ISL9104A ADJUSTABLE OUTPUT

1.0µH

R1

100k

R2

100k

C3

47pF

ENABLE

DISABLE

ENABLE

DISABLE

FIGURE 21. TYPICAL APPLICATIONS DIAGRAM

Note: For adjustable output version, the internal feedback resistor divider is disabled and the FB pin is directly connected to the

error amplifier.

PARTS

DESCRIPTION

MANUFACTURERS

PART NUMBER

SPECIFICATIONS

SIZE

L

Inductor

KEMET

LB3218-T1R0MK

1.0µH/1.0A/60m

Ω

3.2mmx1.8mmx1.8mm

C1, C2

Input and output

capacitor

Murata

GRM188R60J475KE19D

4.7µF/6.3V, X5R

0603

C3

Capacitor

KEMET

C0402C470J5GACTU

47pF/50V

0402

R1, R2

Resistor

Various

-

100k

Ω, SMD, 1%

0402

ISL9104, ISL9104A