LM2831

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SNVS422D – AUGUST 2006 – REVISED SEPTEMBER 2015

6.5 Electrical Characteristics

limits are specified through test, design, or statistical correlation. Typical values represent the most likely parametric norm at

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

WSON and SOT-23

0.600

Feedback Voltage

V

Package

–40°C to 125°C

0.588

0.612

Feedback Voltage Line Regulation

0.02

%/V

Feedback Input Bias Current

0.1

nA

–40°C to 125°C

100

2.73

V

–40°C to 125°C

2.90

Undervoltage Lockout

UVLO

2.3

V

–40°C to 125°C

1.85

UVLO Hysteresis

0.43

V

LM2831-X

1.6

–40°C to 125°C

1.2

1.95

LM2831-Y

0.55

Switching Frequency

MHz

–40°C to 125°C

0.4

0.7

LM2831-Z

3

–40°C to 125°C

2.25

3.75

LM2831-X

94%

–40°C to 125°C

86%

LM2831-Y

96%

Maximum Duty Cycle

–40°C to 125°C

90%

LM2831-Z

90%

–40°C to 125°C

82%

LM2831-X

5%

Minimum Duty Cycle

LM2831-Y

2%

LM2831-Z

7%

WSON Package

150

Switch On Resistance

SOT-23 Package

130

m

Ω

–40°C to 125°C

195

Switch Current Limit

2.5

A

–40°C to 125°C

1.8

Shutdown Threshold Voltage

–40°C to 125°C

0.4

V

Enable Threshold Voltage

–40°C to 125°C

1.8

Switch Leakage

100

nA

Enable Pin Current

Sink/Source

100

nA

3.3

–40°C to 125°C

5

2.8

Quiescent Current (switching)

mA

–40°C to 125°C

4.5

4.3

–40°C to 125°C

6.5

Quiescent Current (shutdown)

30

nA

Thermal Shutdown Temperature

165

°C

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