LD1086 Просмотр технического описания (PDF) - STMicroelectronics

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производитель

LD1086

1.5 A adjustable and fixed low drop positive voltage regulator

STMicroelectronics 

Electrical characteristics

LD1086

VI = 4.25 V, CI = CO =10 µF, TA = -40 to 125 °C, unless otherwise specified.

Table 10. Electrical characteristics of LD1086DTTRY and LD1086VY (Automotive grade)

Symbol

Parameter

Test conditions

Min. Typ. Max. Unit

Vref Reference voltage (1)

ΔVO

ΔVO

Vd

IO(min)

Line regulation

Load regulation

Dropout voltage

Minimum load current

Isc Short-circuit current

Thermal regulation

SVR Supply voltage rejection

IADJ

ΔIADJ

eN

S

Adjust pin current

Adjust pin current change (1)

RMS output noise voltage

(% of VO)

Temperature stability

IO = 10 mA TA = 25 °C

IO = 10 mA to 1.5 A, VI = 2.85 to 30 V

IO = 10 mA, VI = 2.8 to 16.5 V

IO = 0 to 1.5 A

IO = 1.5 A

VI = 30 V

VI - VO = 5 V, TA = 25 °C

VI - VO = 25 V, TA = 25 °C

TA = 25 °C, 30 ms pulse

f = 120 Hz, CO = 25 µF,CADJ = 25 µF,

IO = 1.5 A, VI = 6.25 ± 3 V, TA = 25 °C

VI = 4.25 V, IO = 10 mA

IO = 10 mA to 1.5 A, VI = 2.8 to 16.5 V

1.237

1.225

1.5

0.05

60

TA = 25 °C, f =10 Hz to 10 kHz

S Long term stability

TA = 125 °C, 1000 Hrs

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

1.25 1.263

1.25 1.275

0.035 0.2

0.2 0.4

1.3 1.5

3

10

2.3

0.2

0.01 0.04

88

40 120

0.2 5

0.003

0.5

0.5

V

V

%

%

V

mA

A

A

%/W

dB

μA

μA

%

%

%

16/42

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