LM337 datasheet(3/4 Pages) SEME-LAB

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Document Number 2831

Issue 3

IP137A SERIES

IP337A SERIES

LM137A SERIES

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E-mail: sales@semelab.co.uk

Website: http://www.semelab.co.uk

Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed

to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.

Semelab encourages customers to verify that datasheets are current before placing orders.

IOUT = 10mA

IOUT = 10mA to IMAX

VIN – VOUT = 3V to VMAX

≤ P

MAX

TJ = 0 to 125°C

VIN – VOUT = 3V to VMAX

TJ = 0 to 125°C

IOUT = 10mA to IMAX

VOUT ≤ 5V

VOUT ≥ 5V

IOUT = 10mA to IMAX

VOUT ≤ 5V

TJ = 0 to 125°CVOUT ≥ 5V

tp = 10ms

TA = 25°C

CADJ = 0

VOUT = 10V

CADJ = 10µF

f = 120Hz

TJ = 0 to 125°C

IOUT = 10mA to IMAX

TJ = 0

VIN – VOUT = 3V to 40V

to 125°CVIN – VOUT = 3V to 50V

(HV SERIES)

VIN – VOUT ≤ 40V

TJ = 0 to 125°C

VIN – VOUT ≤ 10V

VIN – VOUT ≤ 15V

VIN – VOUT = 40V

TJ = 0 to 125°C

VIN – VOUT = 50V

(HV SERIES)

TJ = 0 to 125°C

t = 1000 Hrs

f = 10 Hz to 10 kHz

TA = 25°C

K Package

T Package

LCC4 Package

-1.213

-1.25

-1.287

-1.200

-1.250

-1.300

0.010

0.040

0.020

0.070

0.3

1.5

0.003

0.04

100

0.5

2.5

1.5

2.2

3.5

0.15

0.4

0.1

0.4

0.8

0.6

0.3

0.003

2.3

-1.238

-1.25

-1.262

-1.220

-1.25

-1.280

0.005

0.010

0.030

525

0.1

0.5

0.2

0.002

0.020

100

0.2

1.0

2.0

2.5

1.2

1.5

2.2

3.5

0.24

0.4

0.2

0.4

0.8

0.6

1.5

0.3

0.003

2.3

VREF

Reference Voltage

∆V

OUT

Line Regulation 1

∆I

OUT

∆V

OUT

Load Regulation 1

∆I

OUT

Thermal Regulation

Ripple Rejection

IADJ

Adjust Pin Current

∆I

ADJ

Adjust Pin Current

Change

IMIN

Minimum Load

Current

ICL

Current Limit

∆V

OUT

Temperature

∆TEMP Stability

∆V

OUT

Long Term Stability

∆TIME

RMS Output Noise

(% of VOUT)

RθJC

Thermal Resistance

Junction to Case

IP337A

IP337, IP337HV

IP337AHV

LM337 , LM337HV

Parameter

Test Conditions

Min.

Typ.

Max.

Min.

Typ.

Max.

Units

%/V

%/W

µA

°C/W

Regulation is measured at constant junction temperature, using pulse testing at a low duty cycle. Changes in output voltage due to heating effects are covered under

thermal regulation specifications. Load regulation is measured at a point 1/8” from the bottom of the package for the TO–3 and TO–66 packages, at the junction of the

wide and narrow portion of the output lead for the SMD packages, and 1/8” below the base of the package on the output pin of the TO–257 package.

2) Test Conditions unless otherwise stated:

VIN – VOUT = 5V , IOUT = 0.5A , PMAX = 20W , IMAX = 1.5A

VMAX = 40V for standard series , 50V for HV series.

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