LP6303 datasheet(5/11 Pages) POWER

5 / 11 page

LP6303-01

Apr.-2014

Email: marketing@lowpowersemi.com

www.lowpowersemi.com

Page 5 of 11

Preliminary Datasheet

LP6303

Electrical Characteristics

(VINX=5V, VCC=5V, TA=25°C, unless otherwise noted)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

Input Supply Voltage

Input Voltage

VINX

2.2

5.5

Control Circuit Input Voltage

VCC

2.2

5.5

Buck Converter

Shutdown Supply Current

ISD

VEN = 0V

0.1

μA

Quiescent Current

VEN = 2V, No Load

280

μA

UVLO Threshold

VUVLO

VIN Rising

UVLO Hysteresis

VUV-HYST

0.1

Output Load Current

ILOAD

Reference Voltage

VREF

0.588

0.6

0.612

Switching Frequency

FSW

ILOAD = 100mA

1.5

MHz

PMOS Current Limit

ILIM-P

PMOS On-Resistance Note

RDS(ON)-P

ILOAD = 100mA

100

mΩ

NMOS On-Resistance Note

RDS(ON)-N

ILOAD = 100mA

mΩ

Enable Pin Input Low Voltage

VEN-L

0.4

Enable Pin Input High Voltage

VEN-H

1.5

Enable Input Current

IEN

Output Voltage Soft Start

tSS

(0%→90%)VOUT

450

Over-Temperature Shutdown

Threshold

TSD

150

℃

Maximum Duty Cycle

DMAX

100

Note: MOSFET on-resistance specifications are guaranteed by correlation to wafer level measurements.

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