LTC4558 datasheet(2/12 Pages) LINER

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LTC4558

4558f

PACKAGE/ORDER INFORMATION

ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

VBATT, DVCC, DATA, RSTIN, CLKIN, CLKRUNA,

CLKRUNB, ENABLEA, ENABLEB, CSEL, VSELA,

VSELB to GND ............................................. – 0.3V to 6V

I/OA, CLKA, RSTA ........................ – 0.3V to VCCA + 0.3V

I/OB, CLKB, RSTB ........................ – 0.3V to VCCB + 0.3V

ICCA,B (Note 4) .......................................................80mA

VCCA,B Short-Circuit Duration........................... Indeﬁnite

Operating Temperature Range (Note 3) ...–40°C to 85°C

Storage Temperature Range...................–65°C to 125°C

(Note 1)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Input Power Supply

VBATT Operating Voltage

●

2.7

5.5

IVBATT Operating Current

VCCA = 3V, VCCB = 0V, ICCA = 0µA

VCCA = 1.8V, VCCB = 0V, ICCA = ICCB = 0µA

●

100

µA

DVCC Operating Voltage

●

1.4

5.5

IDVCC Operating Current

●

610

µA

IDVCC Shutdown Current

●

0.1

µA

IVBATT Shutdown Current

DVCC = 0V

●

0.1

µA

SIM Card Supplies

VCCA,B Output Voltage

3V Mode, 0mA < ICCA,B < 50mA

1.8V Mode, 0mA < ICCA,B < 30mA

●

2.85

1.71

3.00

1.8

3.15

1.89

VCCA,B Turn-On Time

ICCA,B = 0mA, ENABLEA,B

to VCCA,B at 90% Selected Voltage

●

0.8

1.5

Channel Switching Time

ENABLEA = ENABLEB = RSTIN = DVCC

CSEL

to RSTB

●

1µs

20 19 18 17 16

TOP VIEW

UD PACKAGE

20-LEAD (3mm

× 3mm) PLASTIC QFN

VCCB

DVCC

VBATT

VCCA

CLKA

CLKRUNB

CLKRUNA

CSEL

VSELA

ENABLEA

TJMAX = 125°C, θJA = 68°C/W, θJC = 4.2°C/W

EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB

ORDER PART NUMBER

UD PART MARKING

LTC4558EUD

LCSH

Order Options Tape and Reel: Add #TR

Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF

Lead Free Part Marking: http://www.linear.com/leadfree/

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges.

The ● denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VBATT = 3.3V, DVCC = 1.8V, CA = CB = 1µF, unless otherwise speciﬁed.

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