LD1085V50 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

LD1085V50

3A Low drop positive voltage regulator adjustable and fixed

STMicroelectronics 

Electrical characteristics

4

Electrical characteristics

LD1085 series

Table 3.

Symbol

Electrical characteristics of LD1085#15

(VI=4.5V, CI = CO =10μF, TA = -40 to 125°C, unless otherwise specified).

Parameter

Test

Min. Typ. Max. Unit

VO

ΔVO

ΔVO

Vd

Iq

Isc

SVR

eN

S

Output voltage (1)

Line Regulation

Load Regulation

Dropout Voltage

Quiescent Current

Short Circuit Current

Thermal Regulation

Supply Voltage Rejection

RMS Output Noise Voltage (%

of VO)

Temperature Stability

IO = 0 mA, TJ = 25°C

IO = 0 to 3A, VI = 3.1 to 30V

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 = 25µF, IO = 3A

VI = 7.5 ± 3V

1.485

1.47

3.2

0.2

60

TA = 25°C, f =10Hz to 10KHz

S Long Term Stability

TA = 125°C, 1000Hrs

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

1.5 1.515

1.5 1.53

0.2 4

0.4 4

2

10

4

20

1.3 1.5

5

10

4.5

0.5

0.008 0.04

72

0.003

0.5

0.5

V

V

mV

mV

mV

mV

V

mA

A

A

%/W

dB

%

%

%

6/27

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