LTC4098EPDC-1(RevB) Ver la hoja de datos (PDF) - Linear Technology

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LTC4098EPDC-1
(Rev.:RevB)

USB Compatible Switching Power Managers/Li-Ion Chargers with Overvoltage Protection

Linear Technology 

LTC4098/LTC4098-1

ABSOLUTE MAXIMUM RATINGS

(Note 1)

VBUS, WALL (Transient) t < 1ms,

Duty Cycle < 1% .......................................... –0.3V to 7V

VBUS, WALL (Static), BAT, BATSENS,

CHRG, NTC, ................................................. –0.3V to 6V

D0, D1, D2 .........–0.3V to Max (VBUS, VOUT, BAT) + 0.3V

IOVSENS.................................................................±10mA

ICLPROG ....................................................................3mA

IPROG ........................................................................2mA

ICHRG ......................................................................50mA

IVOUT, ISW, IBAT............................................................2A

IACPR ......................................................................10mA

Operating Temperature Range.................. –40°C to 85°C

Junction Temperature ........................................... 125°C

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

PIN CONFIGURATION

TOP VIEW

OVSENS 1

OVGATE 2

CLPROG 3

NTCBIAS 4

NTC 5

BATSENS 6

20 19 18 17

16 D1

15 D0

14 SW

21

13 VBUS

12 VOUT

11 BAT

7 8 9 10

PDC PACKAGE

20-LEAD (3mm s 4mm) PLASTIC UTQFN

TJMAX = 125°C, θJA = 43°C/W

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

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

LTC4098EPDC#PBF

LTC4098EPDC#TRPBF DDVT

20-Lead (3mm × 4mm) Plastic UTQFN

LTC4098EPDC-1#PBF

LTC4098EPDC-1#TRPBF DSZT

20-Lead (3mm × 4mm) Plastic UTQFN

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

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/

TEMPERATURE RANGE

–40°C to 85°C

–40°C to 85°C

ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VBUS = 5V, BAT = 3.8V, RCLPROG = 3.01k, unless otherwise noted.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Input Power Supply

VBUS

IVBUS(LIM)

Input Supply Voltage

Total Input Current

1x Mode

5x Mode

10x Mode

Low Power Suspend Mode

High Power Suspend Mode

l 4.35

5.5

V

l 92

97

100

mA

l 445

473

500

mA

l 815

883

1000

mA

l 0.32

0.39

0.5

mA

l 1.6

2.05

2.5

mA

IVBUSQ (Note 4) Input Quiescent Current

1x Mode

5x Mode

10x Mode

Low Power Suspend Mode

High Power Suspend Mode

6

mA

15

mA

15

mA

0.042

mA

0.042

mA

hCLPROG (Note 4) Ratio of Measured VBUS Current to

CLPROG Program Current

1x Mode

5x Mode

10x Mode

Low Power Suspend Mode

High Power Suspend Mode

230

mA/mA

1164

mA/mA

2210

mA/mA

11.6

mA/mA

60

mA/mA

40981fb

2

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