LTC1730-4/LTC1730-4.2

3

sn1730 1730fs

Note 1: Absolute Maximum Ratings are those values beyond which the life

of a device may be impaired.

Note 2: The LTC1730-4/LTC1730-4.2 are guaranteed to meet performance

specifications from 0

°C to 70°C. Specifications over the –40°C to 85°C

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

CHRG Pin Pull-Down Current

10

40

70

µA

TIMER Accuracy

%

GATE Pin Voltage

7.5

V

10

V

Thermal Shutdown Temperature

140

°C

Thermal Shutdown Hysteresis

5

°C

150

mV

Full Charged Battery Voltage

NTC/SHDN Pin Threshold Voltage (Hot)

q

1.95

2

2.05

V

Hysteresis

50

mV

q

3.4

3.5

3.6

V

Hysteresis

45

mV

SEL Pin Threshold

LTC173ECGN-4

0.7

V

ACPR Pin Output Low Voltage

0.6

V

FAULT Pin Output Low Voltage

1.2

V

CHRG Pin Output Low Voltage

0.9

V

DC ELECTRICAL CHARACTERISTICS

operating temperature range are assured by design, characterization and

correlation with statistical process controls.

typically 4.1V.