Preliminary Datasheet

LP6270

LP6270QVF Version 1.0 Datasheet

NOV.-2013

www.lowpowersemi.com

Page 4 of 6

Absolute Maximum Ratings



Input Voltage to GND -----------------------------------------------------------------------------7V



EN Voltage ------------------------------------------------------------------------------------------0.3V to 7V



Operation Junction Temperature Range ---------------------------------------------------−40°C to 125°C





Maximum Power Dissipation (PD) --------------------------------------------------------------0.25W



Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------- 260°C

Electrical Characteristics

Parameter

Symbol

Test Condition

Min

Typ.

Max

Units

System Supply Input

Operation voltage Range

2.7

5.5

V

Under Voltage Lock Out

2.4

V

Supply Current

FB=0V, Switching

0.8

1.3

mA

Shut Down Current

0.1

1

uA

Line Regulation

2

%

Oscillator

Operation Frequency

0.8

1.1

MHz

Maximum Duty Cycle

92

%

Feedback Voltage

600

mV

MOSFET

On Resistance of MOSFET

0.3

Ω

Protection

Boost OCP

2600

mA

Current Limit OCP

1500

mA

Shut Down Voltage

0.4

V

Enable Voltage

1.5

V