LTC4085-3 datasheet(2/24 Pages) LINER

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LTC4085-3

40853f

(Notes 1, 2, 3, 4, 5)

Terminal Voltage

IN, OUT

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

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

BAT, CHRG, HPWR, SUSP, WALL, ACPR....... –0.3V to 6V

NTC, TIMER, PROG, CLPROG.......–0.3V to (VCC + 0.3V)

Pin Current (Steady State)

IN, OUT, BAT (Note 6)...............................................2.5A

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

Maximum Operating Junction Temperature .......... 110°C

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

The ● indicates speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VIN = 5V, VBAT = 3.7V, HPWR = 5V, WALL = 0V, RPROG = 100k,

RCLPROG = 2k, unless otherwise noted.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN

Input Supply Voltage

IN and OUT

4.35

5.5

VBAT

Input Voltage

BAT

4.3

IIN

Input Supply Current

IBAT = 0 (Note 7)

Suspend Mode; SUSP = 5V

Suspend Mode; SUSP = 5V, WALL = 5V,

VOUT = 4.8V

●

0.5

1.2

100

110

μA

IOUT

Output Supply Current

VOUT = 5V, VIN = 0V, NTC = VNTC

●

0.7

1.4

IBAT

Battery Drain Current

VBAT = 4.05V, Charging Stopped

Suspend Mode; SUSP = 5V

VIN = 0V, BAT Powers OUT, No Load

●

100

μA

VUVLO

Input or Output Undervoltage Lockout

VIN Powers Part, Rising Threshold

VOUT Powers Part, Rising Threshold

●

3.6

2.75

3.8

2.95

3.15

ΔVUVLO

Input or Output Undervoltage Lockout

VIN Rising – VIN Falling

or VOUT Rising – VOUT Falling

130

TJMAX = 125°C, θJA = 43°C/W

EXPOSED PAD (PIN 15) IS GND, MUST BE CONNECTED TO PCB

BAT

GATE

PROG

CHRG

ACPR

VNTC

NTC

OUT

CLPROG

HPWR

SUSP

TIMER

WALL

TOP VIEW

DE PACKAGE

14-LEAD (4mm × 3mm) PLASTIC DFN

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC4085EDE-3#PBF

LTC4085EDE-3#TRPBF

40853

14-Lead (4mm

× 3mm) Plastic DFN

–40°C to 85°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/

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

ORDER INFORMATION

ELECTRICAL CHARACTERISTICS

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