LP6312-02

May.-2013

www.lowpowersemi.com

Page 5 of 12

Preliminary Datasheet

LP6312

Electrical Characteristics

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

Input Supply Voltage

Input Voltage

2.5

5.5

V

Control Circuit Input Voltage

2.5

5.5

V

Buck Converter 1, 2

Shutdown Supply Current

0.1

1

μA

Quiescent Current

Non-switching, No Load

70

μA

UVLO Threshold

1.8

2

2.2

V

UVLO Hysteresis

0.2

V

Output Load Current

2

A

Reference Voltage

0.588

0.6

0.612

V

Switching Frequency

1.5

MHz

PMOS Current Limit

3

A

PMOS On-Resistance

100

mΩ

NMOS On-Resistance

90

mΩ

Enable Pin Input Low Voltage

0.4

V

Enable Pin Input High

Voltage

1.4

V

Maximum Duty Cycle

100

%

Thermal Shutdown

Thermal Shutdown Threshold

150

℃

Thermal Shutdown

Hysteresis

20

℃

Note:

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

2. Thermal shutdown specifications are guaranteed by correlation to the design and characteristics analysis.