LD1086D2M33TR(2008) 查看數據表（PDF） - STMicroelectronics

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LD1086D2M33TR
(Rev.:2008)

1.5 A low drop positive voltage regulator adjustable and fixed

STMicroelectronics 

LD1086xx

5

Electrical characteristics

Electrical characteristics

Table 4.

Symbol

Electrical characteristics of LD1086#15

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

Parameter

Test condition

Min. Typ. Max. Unit

VO

ΔVO

ΔVO

Vd

Iq

Isc

SVR

eN

S

Output voltage (1)

IO = 0 mA, TJ = 25°C

IO = 0 to 1.5A, VI = 3.4 to 30V

Line regulation

IO = 0 mA, VI = 3.1 to 18V, TJ = 25°C

IO = 0 mA, VI = 3.1 to 15V

Load regulation

IO = 0 to 1.5A, TJ = 25°C

IO = 0 to 1.5A

Dropout voltage

IO = 1.5A

Quiescent current

VI ≤30V

Short circuit current

VI - VO = 5V

VI - VO = 25V

Thermal regulation

TA = 25°C, 30ms pulse

Supply voltage rejection

f = 120 Hz, CO = 25 µF, IO = 1.5A

VI = 6.5 ± 3V

RMS Output noise voltage (% of

VO)

TA = 25°C, f =10Hz to 10kHz

Temperature stability

1.485

1.47

1.5

0.05

60

1.5 1.515

1.5 1.53

0.2 4

0.4 4

0.5 8

1

16

1.3 1.5

5

10

2

0.02

0.01 0.04

82

0.003

0.5

V

V

mV

mV

mV

mV

V

mA

A

A

%/W

dB

%

%

S Long term stability

TA = 125°C, 1000Hrs

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

0.5

%

9/39

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