Limits in standard typeface are for T

anteed by production testing or correlation techniques using standard Statistical Quality Control (SQC) methods. Unless other-

wise specified: V

Tap pin, Output pin is tied to Output Sense pin.

Symbol

Parameter

Conditions

Typical LP2952AI, LP2953AI,

LP2952AI-3.3,

LP2953AI-3.3,

LP2953AM

(Notes 16, 17)

LP2952I, LP2953I,

LP2952I-3.3,

LP2953I-3.3

Units

Min

Max

Min

Max

Output Voltage Load

Regulation (Note 6)

I

0.04

0.16

0.20

%

I

0.20

0.30

V

Dropout Voltage

(Note 7)

I

60

100

100

mV

150

150

I

240

300

300

420

420

I

310

400

400

520

520

I

470

600

600

800

800

I

GND

Ground Pin Current

(Note 8)

I

130

170

170

µA

200

200

I

1.1

2

2

mA

2.5

2.5

I

4.5

6

6

88

I

21

28

28

33

33

I

GND

Ground Pin Current at

Dropout

V

165

210

210

µA

I

240

240

I

GND

Ground Pin Current at

Shutdown (Note 8)

V

SHUTDOWN

≤ 1.1V

105

140

140

µA

I

LIMIT

Current Limit

V

380

500

500

mA

530

530

Thermal Regulation

(Note 10)

0.05

0.2

0.2

%/W

e

n

Output Noise Voltage

(10 Hz to 100 kHz)

I

C

400

µV

RMS

C

260

C

80

V

REF

Reference Voltage

(Note 12)

1.230

1.215

1.245

1.205

1.255

V

1.205

1.255

1.190

1.270

Reference Voltage Line

Regulation

V

0.03

0.1

0.2

%

V

(Note 13)

0.2

0.4

Reference Voltage Load

Regulation

I

0.25

0.4

0.8

%

0.6

1.0

Reference Voltage

Temp. Coefficient

(Note 5)

20

ppm/˚C

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