LD1085D2T36 데이터 시트보기 (PDF) - STMicroelectronics

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LD1085D2T36

3A LOW DROP POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXED

STMicroelectronics 

LD1085 SERIES

Table 13: Electrical Characteristics Of LD1085#12 (VI=15V, 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

Thermal Regulation

Supply Voltage Rejection

RMS Output Noise Voltage

(% of VO)

Temperature Stability

Long Term Stability

IO = 0 mA TJ = 25°C

IO = 0 to 3AVI = 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 3ATJ = 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,

VI = 17 ± 3V

IO = 3A

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

Max.

12.12

12.24

25

25

36

72

1.5

10

0.04

Unit

V

V

mV

mV

mV

mV

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.

Table 14: Electrical Characteristics Of LD1085# (VI=4.25V, CI = CO =10µF, TA = -40 to 125°C, unless

otherwise specified.)

Symbol

Parameter

Test Conditions

VO

∆VO

∆VO

Vd

IO(min)

Isc

SVR

IADJ

∆IADJ

eN

S

S

Output Voltage

Line Regulation

Load Regulation

Dropout Voltage

Minimum Load Current

Short Circuit Current

Thermal Regulation

Supply Voltage Rejection

Adjust Pin Current

Adjust Pin Current Change

RMS Output Noise Voltage

(% of VO)

Temperature Stability

Long Term Stability

IO = 10mA TJ = 25°C

IO = 10mA to 5AVI = 2.85 to 30V (note 1)

IO = 10mA VI = 2.85 to 16.5V TJ = 25°C

IO = 10mA VI = 2.85 to 16.5V

IO = 10mA to 5ATJ = 25°C

IO = 0 to 5A

IO = 5A

VI = 30V

VI - VO = 5V

VI - VO = 25V

TA = 25°C, 30ms pulse

f = 120 Hz, CO = 25 µF, CADJ = 25 µF,

IO = 5A VI = 6.25 ± 3V

VI = 4.25V IO = 10 mA

IO = 10mA to 5A

(note 1)

VI = 2.85 to 16.5V

TA = 25°C f =10Hz to 10KHz

TA = 125°C 1000Hrs

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

8/19

Min.

1.237

1.225

5.5

0.5

60

Typ.

1.25

1.25

0.015

0.035

0.1

0.2

1.3

3

6.5

0.7

0.003

72

Max.

1.263

1.275

0.2

0.2

0.3

0.4

1.5

10

0.015

55

120

0.2

5

0.003

0.5

0.5

Unit

V

V

%

%

%

%

V

mA

A

A

%/W

dB

µA

µA

%

%

%

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