Limits in standard typeface are for T

its are guaranteed by production testing or correlation techniques using standard Statistical Quality Control (SQC) methods.

Unless otherwise specified: V

pin, C

regulator output hasa1mA load, the auxiliary regulator output has a 100 µA load.

Symbol

Parameter

Conditions

Typical

LP2956AI

LP2956I

Units

Min

Max

Min

Max

AUXILIARY OUTPUT

Feedback Voltage

Temperature Coefficient

20

ppm/˚C

I

FB

Feedback Pin Bias

10

20

20

nA

Current

30

30

Line Regulation

6V

≤ V

0.07

0.3

0.4

%

0.5

0.6

Load Regulation

I

0.1

0.3

0.4

%

I

0.6

1.0

V

Dropout Voltage

I

100

200

200

mV

300

300

I

400

600

600

mV

700

700

I

500

700

700

mV

850

850

e

n

Output Noise

C

300

(10 Hz–100 KHz)

C

100

µV RMS

I

I

LIM

Current Limit

V

80

200

200

mA

250

250

Thermal Regulation

(Note 8)

0.2

0.5

0.5

%/W

DROPOUT DETECTION COMPARATOR

I

OH

Output “HIGH” Leakage

V

0.01

1

1

µA

22

V

OL

Output “LOW” Voltage

V

150

250

250

mV

I

400

400

V

THR

Upper Threshold Voltage

(Note 11)

−240

−320

−150

−320

−150

mV

(max)

−380

−100

−380

−100

V

THR

Lower Threshold Voltage

(Note 11)

−350

−450

−230

−450

−230

mV

(min)

−640

−160

−640

−160

HYST

Hysteresis

(Note 11)

110

mV

SHUTDOWN INPUT

I

IN

Input Current to Disable

Output

(Note 12)

0.03

0.5

0.5

µA

V

IH

Shutdown Input High

I

900

900

mV

Threshold

1200

1200

V

IL

Shutdown Input Low

V

400

400

mV

Threshold

200

200

AUXILIARY COMPARATOR

V

Upper Trip Point

(Note 14)

1.236

1.20

1.28

1.20

1.28

V

1.19

1.29

1.19

1.29

V

Lower Trip Point

(Note 14)

1.230

1.19

1.27

1.19

1.27

V

1.18

1.28

1.18

1.28

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