LD1085V120 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

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LD1085V120

3A LOW DROP POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXED

STMicroelectronics 

LD1085 SERIES

ELECTRICAL CHARACTERISTICS OF LD1085#15 (VI=4.5V, 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 5A VI = 3.1 to 30V (note 1)

IO = 0 mA VI = 3.1 to 18V TJ = 25°C

IO = 0 mA VI = 3.1 to 15V

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 = 7.5 ± 3V

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.

Min.

1.485

1.47

3.2

0.2

60

Typ.

1.5

1.5

0.2

0.4

2

4

1.3

5

4.5

0.5

0.008

72

Max.

1.515

1.53

4

4

10

20

1.5

10

0.04

0.003

0.5

0.5

Unit

V

V

mV

mV

mV

V

V

mA

A

A

%/W

dB

%

%

%

ELECTRICAL CHARACTERISTICS OF LD1085#18 (VI=4.8V, 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 5A VI = 3.4 to 30V (note 1)

IO = 0 mA VI = 3.4 to 18V TJ = 25°C

IO = 0 mA VI = 3.4 to 15V

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 = 7.5 ± 3V

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.

Min.

1.782

1.764

3.2

0.2

60

Typ.

1.8

1.8

0.2

0.4

2

4

1.3

5

4.5

0.5

0.008

72

Max.

1.818

1.836

4

4

10

20

1.5

10

0.04

0.003

0.5

0.5

Unit

V

V

mV

mV

mV

V

V

mA

A

A

%/W

dB

%

%

%

4/19

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