LP6480 datasheet(4/10 Pages) POWER

4 / 10 page

LP6480-01

Apr.-2017

Email: marketing@lowpowersemi.com

www.lowpowersemi.com

Page 4 of 10

Preliminary Datasheet

LP6480

Electrical Characteristics

VIN=12V, VEN=5V, TA=25℃, unless otherwise noted

Symbol

Parameter

Condition

Min

Typ

Max

Units

VIN

Input Voltage

4.5

VIN-OVP

Over Voltage Protection Threshold

VINOVP-HYS

Over Voltage Protection Hysteresis

VOUT

Output Voltage Range

0.6

Quiescent Current

VFB = 0.7V

450

900

µA

ISHDN

Shutdown Current

EN = GND

µA

ILIM

P-Channel Current Limit

RDS(ON)_H

High-Side Switch On Resistance

100

mΩ

RDS(ON)_L

Low-Side Switch On Resistance

mΩ

ΔVLINE_REG/ΔVIN

Line Regulation

VIN = 4.5V to 12V

0.2

0.4

%/V

VFB

Feedback Threshold Voltage Accuracy

16V＞VIN＞4.5V 0.588

0.6

0.612

IFB

FB Leakage Current

VFB = 1.0V

fOSC

Oscillator Frequency

600

KHz

DMAX

Maximal duty cycle

tSD

Over-Temperature Shutdown Threshold

150

℃

THYS

Over-Temperature Shutdown Hysteresis

℃

VEN(L)

Enable Threshold Low

0.4

VEN(H)

Enable Threshold High

1.8

IEN

Input Low Current

VIN = VEN = 5V

µA

Note: Output Voltage: VOUT = VFB × ( 1 + R1 / R2 ) Volts;

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