LM325H datasheet(2/8 Pages) NSC

Il numero della parte	LM325H

Spiegazioni elettronici	Dual Voltage Regulator

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Produttore elettronici	NSC [National Semiconductor (TI)]

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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.

Input Voltage

±30V

Forced V

O

+ (Min) (Note 2)

−0.5V

Forced V

O

− (Max) (Note 2)

+0.5V

Power Dissipation (Note 3)

P

MAX

Output Short-Circuit Duration (Note 4)

Continuous

Operating Conditions

Operating Free Temperature Range

0˚C to +70˚C

Storage Temperature Range

−65˚C to +150˚C

Lead Temperature (Soldering, 10 sec.)

300˚C

Electrical Characteristics

Parameter

Conditions

Min

Typ

Max

Units

Output Voltage

T

j = 25˚C

14.5

15

15.5

V

Input-Output Differential

2.0

V

Line Regulation

V

IN = 18V to 30V, IL = 20 mA,

T

j = 25˚C

2.0

10

mV

Line Regulation Over Temperature Range

V

IN = 18V to 30V, IL = 20 mA,

20

mV

Load Regulation

V

O

+

V

O

−

I

L = 0mAto50mA, VIN = ±30V,

T =

j 25˚C

3.0

5.0

10

mV

Load Regulation Over Temperature Range

V

O

+

V

O

−

I

L = 0mAto50mA, VIN = ±30V

4.0

7.0

20

mV

Output Voltage Balance

T

j = 25˚C

±300

mV

Output Voltage Over Temperature Range

P

≤ P

MAX,0 ≤ IO ≤ 50 mA,

18V

≤ |V

IN| ≤ 30

14.27

15.73

V

Temperature Stability of V

O

±0.3

%

Short Circuit Current Limit

T

j = 25˚C

260

mA

Output Noise Voltage

T

j = 25˚C, BW = 100 − 10 kHz

150

µVrms

Positive Standby Current

T

j = 25˚C

1.75

3.0

mA

Negative Standby Current

T

j = 25˚C

3.1

5.0

mA

Long Term Stability

0.2

%/kHr

Thermal Resistance Junction to

Case (Note 5)

LM325H

Junction to Ambient

(Still Air)

(400 Lf/min Air Flow)

20

215

82

˚C/W

Junction to Ambient

LM325N

(Still Air)

90

˚C/W

Note 1: “Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur. Operating ratings indicate conditions for which the device is

functional, but do not guarantee specific performance limits.

Note 2: That voltage to which the output may be forced without damage to the device.

Note 3: Unless otherwise specified these specifications apply for Tj = 0˚C to +125˚C on LM325, VIN = ±20V, IL = 0 mA, IMAX = 100 mA, PMAX = 2.0W for the H10

Package.

Note 4: If the junction temperature exceeds 150˚C, the output short circuit duration is 60 seconds.

Note 5: Without a heat sink, the thermal resistance junction to ambient of the H10 Package is about 155˚C/W. With a heat sink, the effective thermal resistance can

only approach the junction to case values specified, depending on the efficiency of the sink.

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