LD1085D2M50 데이터 시트보기 (PDF) - STMicroelectronics

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LD1085D2M50

3A LOW DROP POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXED

STMicroelectronics 

LD1085 SERIES

ELECTRICAL CHARACTERISTICS OF LD1085#90 (VI=12V, CI = CO =10µF, TA = -40 to 125°C, unless

otherwise specified.)

Symbol

Parameter

Test Conditions

VO

∆VO

∆VO

Vd

Iq

Isc

SVR

eN

S

S

Output Voltage

Line Regulation

Load Regulation

Dropout Voltage

Quiescent Current

Short Circuit Current

Termal Regulation

Supply Voltage Rejection

RMS Output Noise Voltage

(% of VO)

Temperature Stability

Long Term Stability

IO = 0 mA TJ = 25°C

IO = 0 to 3A VI = 11 to 30V (note 1)

IO = 0 mA VI = 11 to 20V TJ = 25°C

IO = 0 mA VI = 11 to 20V

IO = 0 to 3A TJ = 25°C

IO = 0 to 3A

IO =3 A

VI ≤ 30V

VI - VO = 5V

VI - VO = 25V

TA = 25°C, 30ms pulse

f = 120 Hz, CO = 25 µF, IO = 3A

VI = 14 ± 3V

TA = 25°C f =10Hz to 10KHz

TA = 125°C 1000Hrs

Min.

8.91

8.82

3.2

0.2

54

Typ.

9

9

1

2

8

12

1.3

5

4.5

0.5

0.008

70

Max.

9.09

9.18

20

20

30

60

1.5

10

0.04

Unit

V

V

mV

mV

mV

V

V

mA

A

A

%/W

dB

0.003

%

0.5

%

0.5

%

NOTE 1: See short-circuit current curve for available output current at fixed dropout.

ELECTRICAL CHARACTERISTICS OF LD1085#120 (VI=15V, CI = CO =10µF, TA = -40 to 125°C, unless

otherwise specified.)

Symbol

Parameter

VO Output Voltage

∆VO Line Regulation

∆VO Load Regulation

Vd Dropout Voltage

Iq Quiescent Current

Isc Short Circuit Current

Termal Regulation

SVR Supply Voltage Rejection

eN RMS Output Noise Voltage

(% of VO)

S Temperature Stability

S Long Term Stability

Test Conditions

IO = 0 mA TJ = 25°C

IO = 0 to 3A VI = 13.8 to 30V (note 1)

IO = 0 mA VI = 13.8 to 25V TJ = 25°C

IO = 0 mA VI = 13.8 to 25V

IO = 0 to 3A TJ = 25°C

IO = 0 to 3A

IO =3 A

VI ≤ 30V

VI - VO = 5V

VI - VO = 25V

TA = 25°C, 30ms pulse

f = 120 Hz, CO = 25 µF, IO = 3A

VI = 17 ± 3V

TA = 25°C f =10Hz to 10KHz

TA = 125°C 1000Hrs

Min.

11.88

11.76

3.2

0.2

54

Typ.

12

12

1

2

12

24

1.3

5

4.5

0.5

0.008

66

0.003

0.5

0.5

Max.

12.12

12.24

25

25

36

72

1.5

10

0.04

Unit

V

V

mV

mV

mV

V

V

mA

A

A

%/W

dB

%

%

%

NOTE 1: See short-circuit current curve for available output current at fixed dropout.

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