LTC4124 datasheet(2/24 Pages) AD

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LTC4126-ADJ

Rev. 0

For more information www.analog.com

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

Input Supply Voltages

VCC........................................................... –0.3V to 6V

ACIN ..........................................................–10V to 6V

ACIN – VCC Differential ...........................–16V to 0.3V

Input/Output Currents

IACIN................................................................ 200mA

IOUT................................................................. –60mA

BAT .............................................................. –0.3V to 6V

PBEN, NTC, EN,

PROG.........................–0.3V to [Max (VCC, BAT) + 0.3V]

CHRG........................................................... –0.3V to 6V

Operating Junction Temperature Range... –20°C to 85°C

Storage Temperature Range .................. –40°C to 125°C

Maximum Reflow (Package Body)

Temperature..........................................................260°C

(Notes 1, 2)

LQFN PACKAGE

12-LEAD (2mm

× 2mm × 0.74mm)

TJMAX = 85°C, θJA = 92°C/W

EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB

TOP VIEW

STAT1

STAT2

BAT

ACIN

NTC

PBEN

PROG

GND

ORDER INFORMATION

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VCC

Input Voltage Range

2.7

5.5

VBAT

Battery Voltage Range

Charging

2.7

4.25

Not Charging, DC/DC On

3.1

4.25

IVCC

VCC Quiescent Current

Charging Done, DC/DC Off, VNTC > VDIS

µA

Charging Done, DC/DC Off, VNTC < VDIS

µA

IBATQ

BAT Quiescent Current

Charging Done, DC/DC Off, VBAT = 4.25V

µA

VACIN = VCC = 0, DC/DC On, IOUT = 0

µA

VACIN = VCC = 0, DC/DC Off

µA

VACIN = VCC = 0, Battery Disconnected

(VBAT < VDISCONNECT)

0.1

µA

The l denotes the specifications which apply over the specified operating

temperature range, otherwise specifications are at TA = 25°C (Notes 2, 3). VACIN = VCC = 5V, VBAT = 3.8V, unless otherwise noted.

TAPE AND REEL

PART NUMBER

PART MARKING* FINISH CODE

PAD FINISH

PACKAGE**

TYPE

MSL

RATING

TEMPERATURE RANGE

LTC4126EV-ADJ#TRPBF

LHNJ

Au (RoHS)

LQFN (Laminate Package

with QFN Footprint)

–20°C to 85°C

Consult Marketing for parts specified with wider operating temperature ranges. *Device temperature grade is identified by a label on the shipping container.

Parts ending with PBF are RoHS and WEEE compliant. **The LTC4126-ADJ package dimension is 2mm × 2mm × 0.74mm compared to a standard QFN

package dimension of 2mm × 2mm × 0.75mm.

This product is only available in tape and reel or in mini-reel.

Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.

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