LTC3209-1 datasheet(2/20 Pages) LINER

2 / 20 page

LTC3209-1/LTC3209-2

320912fa

The

● denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VBAT1,2 = 3.6V, DVCC = 3V, RREF = 24.3k, C1 = C2 = C3 = C4 = 2.2µF,

unless otherwise noted.

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

(Note 1)

VBAT, DVCC, CPO to GND ............................... –0.3 to 6V

SDA, SCL, CAMHL ..................... –0.3V to (DVCC + 0.3V)

ICPO (Note 4)....................................................... 700mA

IMAIN1-6 (Note 5) ................................................... 31mA

IAUX (Note 5) ......................................................... 30mA

ELECTRICAL CHARACTERISTICS

ICAM1-2 (Note 5) .................................................. 250mA

ICAM (Note 5) ...................................................... 500mA

CPO, RREF Short-Circuit Duration ....................Indefinite

Operating Temperature Range (Note 2) .. –40

°C to 85°C

Storage Temperature Range ................. –65

°C to 125°C

ORDER PART NUMBER

UF PART MARKING

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

LTC3209EUF-1

32091

SCL

SDA

CAMHL

CAM

DVCC

CPO

MAIN1

MAIN2

MAIN3

MAIN4

6789 10

20 19 18 17 16

UF PACKAGE

20-LEAD (4mm

× 4mm) PLASTIC QFN

TOP VIEW

TJMAX = 125°C, θJA = 40°C/W

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

TJMAX = 125°C, θJA = 40°C/W

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

SCL

SDA

CAMHL

CAM2

CAM1

CPO

MAIN1

MAIN2

MAIN3

MAIN4

6789 10

20 19 18 17 16

UF PACKAGE

20-LEAD (4mm

´ 4mm) PLASTIC QFN

TOP VIEW

ORDER PART NUMBER

UF PART MARKING

LTC3209EUF-2

32092

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/

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VBAT Operating Voltage

●

2.9

4.5

IVBAT Operating Current

ICPO = 0, 1x Mode, LED Disabled

0.4

ICPO = 0, 1.5x Mode

2.7

ICPO = 0, 2x Mode

4.5

VBAT UVLO Threshold

1.5

DVCC Operating Voltage

●

1.5

4.5

DVCC Operating Current

DVCC = 1.8V, Serial Port Idle

●

µA

DVCC UVLO Threshold

VBAT Shutdown Current

DVCC = 3V

●

µA

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