Preliminary Datasheet

LP6288

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LP6288

Version 0.1 JAN.-2018

Electrical Characteristics (Continued)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

Buck1 Converter (VIO)

Buck1 Soft Start Time

3

ms

BKO1 Output Voltage Range

Programmable Step 0.1V

2.2

3.7

V

Regulation Voltage Tolerance

ILoad=10mA

-2

+2

%

H-Side NMOS On Resistance

ILX=0.5A

150

mΩ

L-Side NMOS On Resistance

ILX=0.5A

6

Ω

Buck1 Current Limit

3

3.5

4

A

Buck1 Line Regulation

0.005

%/V

Buck1 Load Regulation

0.25

%/A

Buck1 Under Voltage Threshold

75

80

85

%

Buck2 Converter (VCore)

Operating Frequency

2

MHz

Maximum Duty Cycle

100

%

Buck2 Soft Start Time

3

ms

Buck2 Output Voltage Range

Programmable Step 0.1V

0.8

3.3

V

Regulation Voltage Tolerance

ILoad=10mA

-2

+2

%

H-Side PMOS On Resistance

ILX=0.5A

160

mΩ

L-Side NMOS On Resistance

ILX=0.5A

160

mΩ

Buck2 Current Limit

2.5

3

3.5

A

Buck2 Line Regulation

0.1

%/V

Buck2 Load Regulation

0.1

%/A

Buck2 Under Voltage Threshold

70

75

80

%

Buck3 Converter (HAVDD)

Buck3 Output Voltage Range

Programmable Step 0.1V

4.8

11.1

V

Regulation Voltage Tolerance

ILoad=10mA

-1

+1

%

H-Side NMOS On Resistance

ILX=0.5A

200

mΩ

L-Side NMOS On Resistance

ILX=0.5A

200

mΩ

Buck3 Current Limit

1.7

2.0

3.5

A

Buck3 Line Regulation

0.1

%/V

Buck3 Load Regulation

0.1

%/A

Buck3 Over Voltage Threshold

115

120

125

%

Buck3 Under Voltage Threshold

75

80

85

%