LP28400 datasheet(7/17 Pages) POWER

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Preliminary Datasheet

LP28400

LP28400-00 Version 1.0 May.-2013

Email: marketing@lowpowersemi.com

www.lowpowersemi.com

Page 7 of 17

Absolute Maximum Ratings



Input Voltage to GND (VIN) --------------------------------------------------------------------------------------------- 20V



ACDRV, BS-------------------------------------------------------------------------------------------------------------------26V



ACP, ACN, CMS, STAT, BATDRV, SRP, SRN ,SW --------------------------------------------0.3V to VIN+0.3V



REGN, TS, CELL------------------------------------------------------------------------------------------------- -0.3Vto 7V



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



BAT Pin Current ----------------------------------------------------------------------------------------------------- 3000mA



ISET Pin Current -------------------------------------------------------------------------------------------------------- 800µA



Maximum Junction Temperature ------------------------------------------------------------------------------------- 125°C



Operating Junction Temperature Range (TJ) ------------------------------------------------------------ -40℃ to 85°C



Maximum Soldering Temperature (at leads, 10 sec) ------------------------------------------------------------ 260°C

Thermal Information



Maximum Power Dissipation (PD,TA<40°C) ------------------------------------------------------------------------- 2W



Thermal Resistance (JA) ----------------------------------------------------------------------------------------- 40℃/W

Electrical Characteristics

4.5V≤V(PVCC, AVCC)≤15V, –20°C < TJ + 125°C, typical values are at TA= 25°C, with respect to AGND (unless otherwise noted)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP.

MAX

UNITS

VIN

Adapter/USB Voltage Range

4.5

VUVLO

AC under-voltage rising

Measure on AVCC

3.3

VUVLO_HYS

AC under-voltage

300

VSLEEP

SLEEP mode threshold

VAVCC – VSRN falling

100

VSLEEP_HYS

Hysteresis

VAVCC – VSRN rising

200

VACSET

ACSET Voltage Range

RSENSE = 20mΩ

VREF

IACSET

ACSET Input Bias Current

-25

VACP-ACN

AC Current Full Scale

Sense Voltage

VACSET=VREF,

RSENSE = 20mΩ

100

105

VACSET=Float,

RSENSE = 20mΩ

VACSET=GND,

RSENSE = 20mΩ

Icc

Input Supply Current

VAVCC > VUVLO, VAVCC >

VSRN, VBAT=4.2V/8.4V,

Charge disabled

1.2

1.5

VAVCC > VUVLO, VAVCC >

VSRN, Charge

enabled, switching

IBAT

BAT Pin Current

Sleep Mode,

VAVCC>VUVLO,VSRN>VAVCC

BTST,

SW,

SRP,

SRN,

VAVCC > VUVLO,

VAVCC > VSRN, ISET < 40mV,

VBAT=4.2V/8.4V,

Charge disabled

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