SP6648(2004) 데이터 시트보기 (PDF) - Signal Processing Technologies

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SP6648
(Rev.:2004)

Ultra-low Quiescent Current, High Efficiency Boost Regulator

Signal Processing Technologies 

APPLICATIONS INFORMATION: Continued

INDUCTORS - SURFACE MOUNT

Inductance

(µH)

10

10

10

Manufacturer/Part No.

Sumida CDRH5D28-100

TDK RLF5018T-100MR94

Sumida CD43-100

Series R

Ω

0.065

0.067

0.180

Inductor Specification

ISAT

Size LxWxH Intuctor Type

(A)

(mm)

1.30

5.7x5.5x3.0 Shielded Ferrite Core

0.94

5.6x5.2x2.0 Shielded Ferrite Core

1.04

4.0x4.5x3.5 Unshileded Ferrite Core

Manufacturer

Website

www.sumida.com

www.tdk.com

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

CAPACITORS - SURFACE MOUNT & LEADED

www.sumida.com

Capacitor Specification

Capacitance Manufacturer Part No.

(µF)

ESR Ripple Current Size LxWxH Voltage

Ω(max) (A) @ 85°C

(mm)

(V)

47

Kemet T494C476K010AS 0.300

1.06

6.0x3.2x2.5 10

Capacitor

Type

SMT Tantalum

Manufacturer

Website

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.

Component Selection Table

VBATT

L1 10µH

R3

549K

C1

+

47µF

R4 LBON

249K

R5 1.0M

U1 SP6648

1 VBATT

2

LBI

3

LBON

4

RLIM

5 SHDN

VOUT 10

9

LX

8

PGND

7

GND

FB 6

RLIM

1.87K

3.3VOUT

C4

1µF

R1

205K

C3 + C2

47pF 47µF

R2

124K

SP6648EB Evaluation Board Schematic

Date: 7/19/04

SP6648 Ultra-low Quiescent Current, High Efficiency Boost Regulator

10

© Copyright 2004 Sipex Corporation

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