LM140KG-5MD8 datasheet(3/14 Pages) TI1

部件名	LM140KG-5MD8

功能描述	3-Terminal Positive Regulator

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制造商	TI1 [Texas Instruments]

网页	http://www.ti.com

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LM140K

www.ti.com

SNVS994 – JULY 2013

LM140 Electrical Characteristics

55°C

≤ TJ ≤ + 150°C unless otherwise specified

(1)

Output Voltage

5V

12V

15V

Symbol

Input Voltage (unless otherwise noted)

10V

19V

23V

Units

Parameter

Conditions

Min

Typ

Max

Min

Typ

Max

Min

Typ

Max

VO

Output

TJ = 25°C, 5 mA ≤ IO ≤ 1A

4.9

5

5.1

11.75

12

12.25

14.7

15

15.3

V

Voltage

PD ≤ 15W, 5 mA ≤ IO ≤ 1A

4.8

5.2

11.5

12.5

14.4

15.6

V

VMIN ≤ VIN ≤ VMAX

(7.5

≤ VIN ≤ 20)

(14.8

≤ VIN ≤ 27)

(17.9

≤ VIN ≤ 30)

V

ΔVO

Line

IO = 500 mA

10

18

22

mV

Regulation

TJ = 25°C, ΔVIN, −55°C ≤ TJ

(7.5

≤ VIN ≤ 20)

(14.8

≤ VIN ≤ 27)

(17.9

≤ VIN ≤ 30)

V

≤ +150°C

TJ = 25°C

3

10

4

18

4

22

mV

ΔVIN, −55°C ≤ TJ ≤ +150°C

(7.5

≤ VIN ≤ 20)

(14.5

≤ VIN ≤ 27)

(17.5

≤ VIN ≤ 30)

V

TJ = 25°C

4

9

10

mV

Over Temperature

12

30

mV

ΔVIN

(8

≤ VIN ≤ 12)

(16

≤ VIN ≤ 22)

(20

≤ VIN ≤ 26)

V

ΔVO

Load

TJ =

5 mA

≤ IO ≤ 1.5A

10

25

12

32

12

35

mV

Regulation

25°C

250 mA

≤ IO ≤

15

19

21

mV

750 mA

Over Temperature,

25

60

75

mV

5 mA

≤ IO ≤ 1A

IQ

Quiescent

TJ = 25°C

6

mA

Current

Over Temperature

6.5

mA

ΔIQ

Quiescent

5 mA

≤ IO ≤ 1A

0.5

mA

Current

TJ = 25°C, IO = 1A

0.8

mA

Change

VMIN ≤ VIN ≤ VMAX

(7.5

≤ VIN ≤ 20)

(14.8

≤ VIN ≤ 27)

(17.9

≤ VIN ≤ 30)

V

IO = 500 mA

0.8

mA

VMIN ≤ VIN ≤ VMAX

(8

≤ VIN ≤ 25)

(15

≤ VIN ≤ 30)

(17.9

≤ VIN ≤ 30)

V

VN

Output Noise

TA = 25°C, 10 Hz ≤ f ≤ 100

40

75

90

μV

Voltage

kHz

Ripple

TJ = 25°C, f = 120 Hz, IO =

68

80

61

72

60

70

dB

Rejection

1A

or f = 120 Hz, IO = 500 mA,

68

61

60

dB

Over Temperature,

VMIN ≤ VIN ≤ VMAX

(8

≤ VIN ≤ 18)

(15

≤ VIN ≤ 25)

(18.5

≤ VIN ≤ 28.5)

V

RO

Dropout

TJ = 25°C, IO = 1A

2.0

V

Voltage

Output

f = 1 kHz

8

18

19

m

Ω

Resistance

Short-Circuit

TJ = 25°C

2.1

1.5

1.2

A

Current

Peak Output

TJ = 25°C

2.4

A

Current

Average TC

Min, TJ = 0°C, IO = 5 mA

−0.6

−1.5

−1.8

mV/°C

of VO

VIN

Input Voltage

TJ = 25°C

Required to

7.5

14.5

17.5

V

Maintain Line

Regulation

(1)

All characteristics are measured with a 0.22

μF capacitor from input to ground and a 0.1 μF capacitor from output to ground. All

characteristics except noise voltage and ripple rejection ratio are measured using pulse techniques (tw ≤ 10 ms, duty cycle ≤ 5%).

Output voltage changes due to changes in internal temperature must be taken into account separately.

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