d1803-ald Coilcraft, Inc., d1803-ald Datasheet

d1803-ald

Manufacturer Part Number

d1803-ald

Description

Power Inductor ?c D1803-al For Marvelldsp Switchers

Manufacturer

Coilcraft, Inc.

Datasheet

1.D1803-ALD.pdf (2 pages)

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D1803-AL_

1. When ordering, please specify packaging code:

2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc using an Agilent/

3. Leakage inductance tested on one winding with the other winding

4. DCR measured on Keithley Instruments micro-ohmmeter or

5. SRF measured using Agilent/HP 8753ES network analyzer.

6. DC current at which the inductance drops from its value without

7. Current that causes the specified temperature rise from 25°C ambient.

8. Electrical specifications at 25°C. All specifications are per winding.

Refer to Doc 362 “Soldering Surface Mount Components” before soldering.

number

Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic

HP 4284A impedance analyzer.

grounded.

equivalent.

current.

Part

Inductance

B = Less than full reel. In tape, but not machine ready.

D = 13″ machine-ready reel. EIA-481 embossed plastic

Power Inductor – D1803-AL

±30%

(nH)

1000

tape (750 parts per full reel).

To have a leader and trailer added ($25 charge),

use code letter C instead.

tape (2500 parts per full reel).

D1803-ALC

inductance

Leakage

typ (nH)

(mOhms)

DCR

typ

0.55

Specifications subject to change without notice.

Please check our website for latest information.

Impedance typ (Ohms)

1 MHz

1.98

This power inductor was developed specifically for Marvell

Semiconductors for use with their DSP Switcher™ Power

Management chipsets 88PD8300 and 88PD830. It is also

used in modules 88MD8200 and 88MD830 as well as in

DB-88PD8300 Development Board.

Core material Ferrite

Terminations RoHS matte tin over copper

Weight 0.36 g

Ambient temperature –40°C to +125°C

Storage temperature Component: –40°C to +125°C.

Packaging: –55°C to +80°C

Resistance to soldering heat Max three 40 second reflows at

+260°C, parts cooled to room temperature between cycles

Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C

/ 85% relative humidity)

Mean Time Between Failures (MTBF) 26,315,789 hours

Packaging 750/7″ reel; 2500/13″ reel Tape: 12 mm wide,

0.3 mm thick, 4 mm pocket spacing, 3.3 mm pocket depth

PCB washing Only pure water or alcohol recommended

0.035

0,89

0.183

4,65

10 MHz

min

19.2

0.059

1,50

0.260

6,60

max

(MHz)

27.4

SRF

typ

0.025

0,64

Document 619-1 Revised 10/03/07

0.200

5,08

0.128

3,25

drop

10%

max

0.38

max

0.004 / 0,102

0.080

2,03

0.100

2,54

Isat (A)

For Marvell

DSP Switchers™

Document 619-1

Recommended

drop

20%

0.44

Land Pattern

0.180

4,57

drop

0.52

30%

0.240

6,10

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d1803-ald Summary of contents

Page 1

... Power Inductor – D1803-AL Inductance Leakage Part ±30% 2 inductance 3 number 1 (nH) typ (nH) D1803-AL_ 1000 21 1. When ordering, please specify packaging code: D1803-ALC Packaging 7″ machine-ready reel. EIA-481 embossed plastic tape (750 parts per full reel Less than full reel. In tape, but not machine ready. ...

Page 2

... Power Inductor – D1803-AL Inductance vs Current 10 1 0.1 0.01 0.1 Current (A) Impedance vs Frequency 100 10 1 0.1 0.1 1 Frequency (MHz) © Coilcraft, Inc. 2007 Inductance vs Frequency 10 1 0.1 1 0.01 10 100 Specifications subject to change without notice. Please check our website for latest information. Document 619-2 0 Frequency (MHz) Document 619-2 Revised 10/03/07 ...

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