LT1020 datasheet(2/16 Pages) LINER

部件名	LT1020

功能描述	Micropower Regulator and Comparator

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制造商	LINER [Linear Technology]

网页	http://www.linear.com

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2

LT1020

A

G

A

U

A

R

BSOLUTEXI

TI

S

Input Voltage .......................................................... 36V

NPN Collector Voltage ............................................ 36V

PNP Collector Voltage.............................. Supply – 36V

Output Short Circuit Duration ......................... Indefinite

Power Dissipation .............................. Internally Limited

Storage Temperature Range ................ – 65

°C to 150°C

Operating Temperature Range

LT1020C ............................................. 0

°C to 100°C

LT1020I ........................................ – 40

°C to 100 °C

LT1020M ....................................... – 55

°C to 125°C

Lead Temperature (Soldering, 10 sec) .................. 300

°C

PACKAGE/ORDER I FOR ATIO

TJMAX = 150°C, θJA = 80°C/W (J)

TJMAX = 110°C, θJA = 130°C/W (N)

TJMAX = 110°C, θJA = 150°C/W

ORDER PART

NUMBER

TJ = 25°C

ELECTRICAL C

C

HARA TERISTICS

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Reference

Reference Voltage

4.5V

≤ VIN ≤ 36V

2.46

2.50

2.54

V

Line Regulation

4.5V

≤ VIN ≤ 36V

0.01

0.015

%/V

Load Regulation

– 0.5mA

≤ IREF ≤ 1mA, VIN = 12V

0.2

0.3

%

Output Source Current

VIN = 5V

1

4

mA

Output Sink Current

VIN = 5V

0.5

2

mA

Temperature Stability

1%

Regulator

Supply Current

VIN = 6V, IOUT ≤ 100µA45

80

µA

VIN = 36V, IOUT ≤ 100µA

75

120

µA

VIN = 12V, IOUT = 125mA

11

20

mA

Output Current

(VIN – VOUT) ≥ 1V, VIN ≥ 6V

125

mA

Load Regulation

(VIN – VOUT) ≥ 1V, VIN ≥ 6V

0.2

0.5

%

Line Regulation

6V

≤ VIN ≤ 36V

0.01

0.015

%/V

Dropout Voltage

IOUT = 100µA

0.02

0.05

V

IOUT = 125mA

0.4

0.65

V

Feedback Sense Voltage

VIN = 12V

2.44

2.5

2.56

V

Dropout Detector Current

∆VOUT = –0.05V, IOUT = 500µA3

20

µA

LT1020CJ

LT1020CN

LT1020IJ

LT1020IN

LT1020MJ

ORDER PART

NUMBER

LT1020CS

LT1020IS

1

2

3

4

5

6

7

TOP VIEW

J PACKAGE

14-LEAD CERAMIC DIP

N PACKAGE

14-LEAD PLASTIC DIP

14

13

12

11

10

9

8

NC

VOUT

VIN

REF OUT

COMP PNP

COMP NPN

+INPUT

NC

SHUTDOWN

FEEDBACK

GND

–INPUT

DROPOUT

DETECTOR

CURRENT

LIMIT

TOP VIEW

S PACKAGE

16-LEAD PLASTIC SOIC

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

NC

VOUT

VIN

REF OUT

COMP PNP

COMP NPN

+INPUT

NC

SHUTDOWN

FEEDBACK

GND

–INPUT

NC

DROPOUT

DETECTOR

CURRENT

LIMIT

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