LTC4096 datasheet(3/16 Pages) LINER

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LTC4096/LTC4096X

4096xf

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

Note 2: The LTC4096 is guaranteed to meet the performance speciﬁcations

from 0°C to 85°C. Speciﬁcations over the – 40°C to 85°C operating

temperature range are assured by design, characterization and correlation

with statistical process controls.

Note 3: Failure to correctly solder the Exposed Pad of the package to the

PC board will result in a thermal resistance much higher than 40°C/W. See

Thermal Considerations.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

ITERMINATE

Charge Current Termination

Threshold

RITERM = 1k

RITERM = 2k

RITERM = 10k

100

9.5

112

ITRIKL

Trickle Charge Current

(LTC4096 Only)

VBAT < VTRIKL; RIDC = 1k

VBAT < VTRIKL; RIUSB = 2k

100

115

VTRIKL

Trickle Charge Threshold Voltage

(LTC4096 Only)

VBAT Rising

Hysteresis

●

2.8

2.9

135

VUVDC

DCIN Undervoltage Lockout

Voltage

From Low to High

Hysteresis

4.22

200

4.4

VUVUSB

USBIN Undervoltage Lockout

Voltage

From Low to High

Hysteresis

3.8

200

4.2

VASD-DC

VDCIN – VBAT Lockout Threshold

Voltage

VDCIN from High to Low, VBAT = 4.3V

VDCIN from Low to High, VBAT = 4.3V

530

100

VASD-USB

VUSBIN – VBAT Lockout Threshold

Voltage

VUSBIN from High to Low, VBAT = 4.3V

VUSBIN from Low to High, VBAT = 4.3V

530

150

VSUSP

VIL, Logic Low Voltage

0.5

VIH, Logic High Voltage

1.2

RSUSP

SUSP Pulldown Resistance

●

1.3

3.4

V⎯C⎯H⎯R⎯G

⎯C⎯H⎯R⎯G Output Low Voltage

I⎯C⎯H⎯R⎯G = 5mA

●

150

ΔVRECHRG

Recharge Battery Threshold

Voltage

VFLOAT – VRECHRG

tRECHRG

Recharge Comparator Filter Time VBAT from High to Low

1.6

tTERMINATE

Termination Comparator Filter

Time

IBAT Drops Below Termination Threshold

RON-DC

Power FET “ON” Resistance

(Between DCIN and BAT)

420

RON-USB

Power FET “ON” Resistance

(Between USBIN and BAT)

470

RDC-PWR

Power FET “ON” Resistance

(Between DCIN and PWR)

VDCIN = 5V, VUSBIN = 0V

RUSB-PWR

Power FET “ON” Resistance

(Between USBIN and PWR)

VDCIN = 0V, VUSBIN = 5V

6.6

TLIM

Junction Temperature in

Constant-Temperature Mode

115

°C

ELECTRICAL CHARACTERISTICS The ● denotes the speciﬁcations which apply over the full operating

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

otherwise noted.

Note 4: Supply current includes IDC and ITERM pin current (approximately

100µA each) but does not include any current delivered to the battery

through the BAT pin.

Note 5: Supply current includes IUSB and ITERM pin current

(approximately 100µA each) but does not include any current delivered to

the battery through the BAT pin.

Note 6: Guaranteed by long term current density limitations.

Note 7: VCC is greater of DCIN or USBIN

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