10

Date: 7/19/04

SP6648 Ultra-low Quiescent Current, High Efficiency Boost Regulator

© Copyright 2004 Sipex Corporation

APPLICATIONS INFORMATION: Continued

Component Selection Table

SP6648EB Evaluation Board Schematic

+

C1

47µF

L1 10µH

C4

1µF

205K

LBON

124K

C3

47pF

1.87K

249K

U1 SP6648

V

BATT

1

LBI

2

R

LIM

4

SHDN

5

FB

6

GND

7

P

GND

8

LBON

3

LX

9

V

OUT

10

+ C2

47µF

549K

INDUCTORS - SURFACE MOUNT

Inductor Specification

Inductance

Manufacturer/Part No.

Series R

Size LxWxH

Intuctor Type

Manufacturer

(

Ω

(A)

(mm)

Website

10

Sumida CDRH5D28-100

0.065

1.30

5.7x5.5x3.0

Shielded Ferrite Core

www.sumida.com

10

TDK RLF5018T-100MR94

0.067

0.94

5.6x5.2x2.0

Shielded Ferrite Core

www.tdk.com

10

Sumida CD43-100

0.180

1.04

4.0x4.5x3.5

Unshileded Ferrite Core

www.sumida.com

22

Sumida CDRH5D28-220

0.122

0.90

5.7x5.5x3

Shileded Ferrite Core

www.sumida.com

22

TDK RLF5018T-220MR63

0.067

0.63

5.6x5.2x2.0

Shielded Ferrite Core

www.tdk.com

22

Sumida CD43-220

0.378

0.68

4.0x4.5x3.5

Unshielded Ferrite Core

www.sumida.com

CAPACITORS - SURFACE MOUNT & LEADED

Capacitor Specification

Capacitance

Manufacturer Part No.

ESR

Ripple Current

Size LxWxH

Voltage

Capacitor

Manufacturer

(

(A) @ 85

(mm)

(V)

Type

Website

47

Kemet T494C476K010AS

0.300

1.06

6.0x3.2x2.5

10

SMT Tantalum

www.kemet.com

47

Kemet T494V476K010AS

0.300

0.99

7.3x4.3x2.0

10

SMT Tantalum

www.kemet.com

100

Sanyo 25MV100AX

0.220

0.30

6.3DX11L

25

Radial Al Electrolytic www.sanyovideo.com

Note: Components highlighted in bold are those used on the SP6648EB Evaluation Board.