LR2965 datasheet(4/5 Pages) UTC

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LR2965

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 5

www.unisonic.com.tw

QW-R102-061.B



ELECTRICAL CHARACTERISTICS

All parameters are guaranteed over the operational supply voltage and temperature range. Operating conditions

unless otherwise noted are: VIN=5V, OUT=2.5V and TA=25°C. Typical values are for information only.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP MAX

UNIT

Supply Voltage

Quiescent Current

IOUT=100mA

300

Shutdown Current

ISTD

VIN=6V, VEN=GND

0.2

Feedback (FB)

Feedback Voltage Accuracy

IOUT=10mA, TA =25°C

490

500

510

Input Bias Current

VFB=0.5V, VIN =6V

0.001

0.1

Output (OUT)

Output Accuracy

VOUT

-2

Load Regulation

RLO

IOUT=1mA to 1.5A

0.1

%/A

Line Regulation

RLN

VIN=2.2~6V, VOUT=1.225V, IOUT=1mA

-0.2

0.2

%/V

IOUT=1.5A,VFB=480mV

400

IOUT=1A,VFB=480mV

140

280

Dropout Voltage

IOUT=0.5A,VFB=480mV

200

Current Limit

1.8

Load transient (Note 1)

LOT

IOUT=20mA to 1.5A,

Line Transient (Note 1)

RNT

∆VIN=0.5V

Enable (EN))

VENH

EN rising, VIN=OUT+1V~6V

1.2

Input Threshold

VENL

EN falling, VIN=OUT+1V~6V

0.4

Input Bias Current

IEN

EN=0 or 6V

-1

Power Good (PG)

PV1

FB high, VHYS=10mV, VIN=OUT+1V~6V

550

Threshold Voltage

PV2

FB low, VHYS=10mV, VIN=OUT+1V~6V

400

Output Voltage Low

PCL

FB=0.4V or 0.6V, IPG=1mA

200

Output Current High

PCH

PWRGD=6V

0.001

0.1

Rising Delay Time

PRDT

From FB*90% to PG

Falling Delay Time 1

PFDT1

VIN=2.5V, From FB to PG

120

Falling Delay Time 2

PFDT2

VIN=6V, From FB to PG

180

300

Thermal Shutdown (TSD) (Note 1)

TSDON

TSD On

165

TSD Threshold

TSDOFF TSD Off

145

Note: Guaranteed by design but not production tested.

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