LN2053

Rev.1.1 —Aug. 20, 2015

5

www.natlinear.com

■ Absolute Maximum Ratings

Parameter

Symbol

Maximum Rating

Unit

Input supply voltage

Vcc

VSS-0.3～VSS+7

V

ISET pin Voltage

Vprog

VSS-0.3～Vcc+0.3

BAT pin Voltage

Vbat

Vss-0.3～6

DONE pin Voltage

Vdone

VSS-0.3～VSS+7

CHAG pin Voltage

Vchrg

VSS-0.3～VSS+7

ESD discharge capability

Hbm

3000

BAT pin current

Ibat

1500

mA

ISET pin current

Iprog

1500

uA

Operating ambient temperature

Topa

-40～+85

°C

Storage temperature

Tstr

-65～+125

Pin soldering temperature(10s)

-

300

Caution: The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These

values must therefore not be exceeded under any conditions.

■ Typical Application Circuit

VIN

CHRG

DONE

GND

EXPOSED

PAD

ISET

TEMP

FB

BAT

RSET

R1

NTC

4.7u

330

1u

FROM 2.5v-6V

BATTERY PACK

OPTION

R2

R3

S1

Figure2.