LP28019B datasheet(4/7 Pages) POWER

4 / 7 page

LP28019B

LP28019B – 01

Aug-2017

Email: marketing@lowpowersemi.com

www.lowpowersemi.com

Page 4 of 7

Electrical Characteristics

(TA = 25°C. VIN = 5V, unless otherwise noted.)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP.

MAX

UNITS

IIN

Input Supply Current

IBAT = 0

1000

VFLOAT

Regulated Output (Float) Voltage

IBAT = 40mA,

4.158

4.2

4.242

VUV

VIN Under voltage Lockout Threshold

From VIN Low to High

3.1

3.3

3.5

VUVHYS

VIN Under voltage Lockout Hysteresis

150

VOVP

Input Voltage OVP

VIN Rising

6.7

7.3

VOVP-HYS

OVP Hysteresis

0.2

IBAT

BAT Pin Current

RISET = 1.5k, Current

Mode

1000

VBAT = 4.2V

±1

Vin=float or 0V

ITRIKL

Trickle Charge Current

VBAT < VTRIKL，RISET =

1.5k, Current Mode

% IBAT

VTRIKL

Trickle Charge Threshold Voltage

VBAT Rising

2.6

VTRHYS

Trickle Charge Hysteresis Voltage

150

ITERM

Termination Current Threshold

% IBAT

VISET

ISET Pin Voltage

RISET = 10k, Current

Mode

ICHRG

CHRG Pin Weak Pull-Down Current

VSTAT = 5V

VCHRG

CHRG Pin Output Low Voltage

ISTAT= 5mA

0.1

ΔVRESTAT

Recharge Battery Threshold Voltage

VFLOAT - VRESTAT

150

TLIM

Junction Temperature in Constant Temperature Mode

125

°C

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