LP2985AIM5-1.5 datasheet(4/17 Pages) NSC

Part #	LP2985AIM5-1.5

Description	Micropower 150 mA Low-Noise Low-Dropout Regulator in SOT-23 and micro SMD packages for Applications

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Storage Temperature Range

−65˚C to +150˚C

Operating Junction Temperature

Range

−40˚C to +125˚C

Lead Temp. (Soldering, 5 sec.)

260˚C

ESD Rating (Note 2)

2 kV

Power Dissipation (Note 3)

Internally Limited

Input Supply Voltage (Survival)

−0.3V to +16V

Input Supply Voltage (Operating)

2.2V to +16V

Shutdown Input Voltage (Survival)

−0.3V to +16V

Output Voltage (Survival, (Note 4))

−0.3V to +9V

I

OUT (Survival)

Short Circuit

Protected

Input-Output Voltage (Survival,

−0.3V to +16V

(Note 5))

Electrical Characteristics (Note 10)

Limits in standard typeface are for T

J = 25˚C. and limits in boldface type apply over the full operating temperature range. Un-

less otherwise specified: V

IN =VO(NOM) + 1V, IL = 1 mA, CIN = 1 µF, COUT = 4.7 µF, VON/OFF = 2V.

Symbol

Parameter

Conditions

Typ

LP2985AI-X.X

LP2985I-X.X

Units

(Note 6)

Min

Max

Min

Max

∆V

O

Output Voltage

Tolerance

I

L = 1 mA

−1.0

1.0

−1.5

1.5

%V

NOM

1mA

≤ I

L

≤ 50 mA

−1.5

1.5

−2.5

2.5

−2.5

2.5

−3.5

3.5

1mA

≤ I

L

≤ 150 mA

−2.5

2.5

−3.0

3.0

−3.5

3.5

−4.0

4.0

Output Voltage

V

O(NOM)+1V

≤ V

IN

≤ 16V

0.007

0.014

%/V

Line Regulation

0.032

I

GND

Ground Pin Current

I

L = 0

65

95

µA

125

I

L = 1 mA

75

110

170

I

L = 10 mA

120

220

400

I

L = 50 mA

300

500

900

I

L = 150 mA

825

1200

2000

V

ON/OFF < 0.3V

0.01

0.8

V

ON/OFF < 0.15V

0.05

2

V

IN(min)

Minimum Input Voltage

Required To maintain

Output Regulation

(Note 9)

2.05

2.20

V

IN -VOUT

Dropout Voltage

(Note 9)

IL = 50mA

120

150

250

150

250

mV

IL = 150mA

280

350

600

350

600

V

ON/OFF

ON/OFF Input Voltage

(Note 7)

High = O/P ON

1.4

1.6

V

Low = O/P OFF

0.55

0.15

I

ON/OFF

ON/OFF Input Current

V

ON/OFF = 0

0.01

−2

µA

V

ON/OFF =5V

5

15

e

n

Output Noise

BW = 300 Hz to 50 kHz,

Voltage (RMS)

C

OUT =10µF

30

µV

C

BYPASS =10nF

V

OUT = 1.8V

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