LTC4081 datasheet(2/24 Pages) LINER

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LTC4081

4081f

PIN CONFIGURATION

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC4081EDD#PBF

LTC4081EDD#TRPBF

LDBX

10-Lead (3mm × 3mm) DFN

0°C to 70°C

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

Consult LTC Marketing for information on non-standard lead based ﬁnish parts.

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/

The ● denotes speciﬁcations which apply over the full operating tempera-

ture range, otherwise speciﬁcations are at TA = 25°C, VCC = 5V, VBAT = 3.8V, V⎯E⎯N⎯_⎯C⎯H⎯R⎯G = 0V, VNTC = 0V, VEN_BUCK = VBAT, VMODE = 0V.

(Note 2)

ELECTRICAL CHARACTERISTICS

VCC, t < 1ms and Duty Cycle < 1%.............. – 0.3V to 7V

VCC Steady State ......................................... – 0.3V to 6V

BAT, ⎯C⎯H⎯R⎯G .................................................. – 0.3V to 6V

⎯E⎯N⎯_⎯C⎯H⎯R⎯G, PROG, NTC ...................– 0.3V to VCC + 0.3V

MODE, EN_BUCK .......................... – 0.3V to VBAT + 0.3V

FB ............................................................... – 0.3V to 2V

(Note 1)

ABSOLUTE

AXI U

RATI GS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VCC

Battery Charger Supply Voltage

(Note 4)

●

3.75

5.5

VBAT

Input Voltage for the Switching

Regulator

(Note 5)

●

2.7

3.8

4.5

ICC

Quiescent Supply Current (Charger On,

Switching Regulator Off)

VBAT = 4.5V (Forces IBAT and IPROG = 0),

VEN_BUCK = 0

●

110

300

μA

ICC_SD

Supply Current in Shutdown (Both

Battery Charger and Switching

Regulator Off)

V⎯E⎯N⎯_⎯C⎯H⎯R⎯G = 5V, VEN_BUCK = 0, VCC > VBAT

V⎯E⎯N⎯_⎯C⎯H⎯R⎯G = 4V, VEN_BUCK = 0, VCC (3.5V) <

VBAT (4V)

●

μA

BAT Short-Circuit Duration............................ Continuous

BAT Pin Current ...................................................800mA

PROG Pin Current ....................................................2mA

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

Operating Temperature Range (Note 2) .. – 40°C to 85°C

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

TOP VIEW

DD PACKAGE

10-LEAD (3mm

× 3mm) PLASTIC DFN

BAT

VCC

EN_CHRG

PROG

NTC

EN_BUCK

MODE

CHRG

TJMAX = 110°C, θJA = 43°C/W (NOTE 3)

EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB

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