Preliminary Datasheet

LP78073

LP78073 – 00 Version 1.0

Feb.-2014

www.lowpowersemi.com

Page 5 of 9

Electrical Characteristics

(The specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 5V,

unless otherwise noted.)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP.

MAX

UNITS

Charge

VIN

Adapter/USB Voltage Range

4.2

5

6.5

V

Input Supply Current

Charge Mode

300

1000

uA

Standby Mode(Charge Terminated)

200

500

Shutdown Mode

(VIN < VBAT)

25

50

Regulated Output Voltage

0°C ≤ TA ≤ 85°C

4.158

4.2

4.242

V

BAT Pin Current

VBAT=3.7V

700

mA

Trickle Charge Current

VBAT < VTRIKL

70

mA

Trickle Charge Threshold Voltage

VBAT Rising

2.8

2.9

3.0

V

Trickle Charge Hysteresis Voltage

400

mV

VIN – VBAT Lockout Threshold

Voltage

VIN from Low to High

630

mV

VIN from High to Low

130

mV

C/10 Termination Current Threshold Terminal current / Charge current

0.1

mA/mA

CHARGEB Pin Pull Down Current

5

mA

Recharge Battery Threshold Voltage VFLOAT - VRESTAT

100

mV

Over Temperature Protection

120

°C

Boost

Vout

Output Voltage Range

Vbat

6

V

Ibat

Supply Current

VIN=3V, Vout=5V,IOUT=0mA

120

180

uA

Vfb

0.98

1.0

1.02

V

Rds(on)

High-Side P-mosfet

100

mΩ

Low-Side N-mosfet

60

mΩ

Fosc

900

KHz

ILimit

Maximum Current Through SW pin

2

A

IOCP

Short Circuit Current

350

mA