PARAMETER

CONDITIONS (note 2)

MIN

TYP

MAX

UNITS

Output Voltage

-25ºC

Full Operating Temperature

0.985 |Vo|

0.98 |Vo|

1.015 |Vo|

1.02 |Vo|

Output Voltage

100µA

0.976 |Vo|

1.024 |Vo|

V

Output Voltage Temperature

Coefficient

(note 1)

50

150

ppm/ºC

Line Regulation(Note 3)

0.04

0.4

%

Load Regulation( Note3)

100µA

0.1

0.3

%

Dropout Voltage(Note 5)

50

380

80

450

mV

Ground Current

75

8

120

12

µA

mA

Dropout Ground Current

µA

110

170

µA

Current Limit

160

200

mA

Thermal regulation

0.05

0.2

%/W

Output Noise,10Hz to

100KHz

(Bypass=0.01µF pins 7 to 1

(LND2951-XX))

430

160

100

µV rms

8-PIN Versions Only

Reference Voltage

1.21

1.235

1.26

Reference Voltage

Over temperature(Note 6)

1.185

1.285

V

Feedback Pin Bias Current

20

40

nA

Reference Voltage

Temperature Coefficient

(note 7)

50

ppm/ºC

Feedback Pin Bias Current

Temperature Coefficient

0.1

nA/ºC

Error Comparator

Output Leakage Current

Voh=30V

0.01

1.0

µA

Output Low Voltage

150

250

Upper Threshold Voltage

(note 8)

40

60

Lower Threshold Voltage

(note 8)

75

95

Hysteresis

(note 8)

15

mV

Shutdown Input

Input Logic Voltage

Low(Regulator ON)

High (Regulator OFF)

2

1.3

0.7

V

Shut down pin Input Current

30

450

50

600

(Note 9)

3

10

3.3V

20

Regulator Output current in

Shutdown

2.0V

30

µA

LND2950 / LND2951

• Linear Dimensions, Inc. • 445 East Ohio Street, Chicago IL 60611 USA • tel 312.321.1810 • fax 312.321.1830 • www.lineardimensions.com •