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LTC4097

4097f

ELECTRICAL CHARACTERISTICS

PACKAGE/ORDER INFORMATION

ABSOLUTE MAXIMUM RATINGS

VDCIN, VUSBIN

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

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

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

IDC, IUSB, ITERM ............................–0.3V to VCC + 0.3V

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

VNTC Short-Circuit Duration ......................... Continuous

DCIN, BAT Pin Current (Note 6) .............................1.25A

USBIN Pin Current (Note 6) .....................................1.1A

IDC, IUSB, ITERM Pin Current ............................1.25mA

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

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

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

(Note 1,7)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VDCIN

Adapter Supply Voltage

●

4.25

5.5

VUSBIN

USB Supply Voltage

●

4.25

5.5

IDCIN

DCIN Supply Current

Charge Mode (Note 4), RIDC = 10k

Standby Mode; Charge Terminated

Shutdown Mode (SUSP = 5V)

●

250

800

100

µA

IUSBIN

USBIN Supply Current

Charge Mode (Note 5), RIUSB = 10k, VDCIN = 0V

Standby Mode; Charge Terminated, VDCIN = 0V

Shutdown (VDCIN = 0V, SUSP = 5V)

VDCIN > VUSBIN

●

250

800

100

µA

VFLOAT

Regulated Output (Float) Voltage

IBAT = 1mA

IBAT = 1mA, 0°C < TA < 85°C

4.179

4.158

4.2

4.221

4.242

IBAT

BAT Pin Current

RIDC = 1.25k, Constant-Current Mode

RIUSB = 2.1k, Constant-Current Mode

RIUSB = 2.1k, Constant-Current Mode, HPWR = 0V

RIDC = 10k or RIUSB = 10k

Standby Mode, Charge Terminated

Shutdown Mode (Charger Disabled)

Sleep Mode (VDCIN = 0V, VUSBIN = 0V)

750

450

800

476

100

–5

–2

–5

850

500

100

112

–8

–4

–8

µA

VIDC

IDC Pin Regulated Voltage

Constant-Current Mode, RIDC = 1.25k

VIUSB

IUSB Pin Regulated Voltage

Constant-Current Mode, RIUSB = 2k

Constant-Current Mode, RIUSB = 2k, HPWR = 0

0.2

ITERMINATE

Charge Current Termination

Threshold

RITERM = 1k

RITERM = 2k

RITERM = 10k

100

9.5

112

ITRIKL

Trickle Charge Current

VBAT < VTRIKL; RIDC = 1k

VBAT < VTRIKL; RIUSB = 2k

100

115

TOP VIEW

DDB PACKAGE

12-LEAD (3mm

× 2mm) PLASTIC DFN

DCIN

USBIN

VNTC

CHRG

SUSP

NTC

BAT

GND

IDC

IUSB

ITERM

HPWR

TJMAX = 125°C, θJA = 60°C/W (Note 3)

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

ORDER PART NUMBER

DDB PART MARKING

LTC4097EDDB

LCRM

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/

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

The ● denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VDCIN = 5V, VUSBIN = 5V, HPWR = 5V, NTC = 0V, RIDC = 1kΩ, RIUSB = 2kΩ,

RITERM = 2kΩ unless otherwise noted.

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