LD1117AXX18 datasheet(8/29 Pages) STMICROELECTRONICS

Part #	LD1117AXX18

Description	Low drop fixed and adjustable positive voltage regulators

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Electrical characteristics

LD1117Axx

8/29

Table 5.

Electrical characteristics of LD1117A#18

(refer to the test circuits, TJ = 0 to 125 °C, CO = 10 µF, CI = 10 µF unless otherwise

specified).

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VO

Output voltage

VI = 3.8V, IO = 10mA, TJ = 25°C

1.764

1.8

1.836

V

VO

Output voltage

IO = 0 to 1A, VI = 3.3 to 8V

1.728

1.872

V

ΔVO

Line regulation

VI = 3.3 to 8V, IO = 0mA

1

6

mV

ΔVO

Load regulation

VI = 3.3V, IO = 0 to 1A

1

10

mV

ΔVO

Temperature stability

0.5

%

ΔVO

Long term stability

1000 hrs, TJ = 125°C

0.3

%

VI

Operating input voltage

IO = 100mA

10

V

Id

Quiescent current

VI ≤ 8V, IO = 0mA

5

10

mA

IO

Output current

VI - VO = 5V, TJ = 25°C

1000

mA

eN

Output noise voltage

B =10Hz to 10kHz, TJ = 25°C

100

µV

SVR

Supply voltage rejection

IO = 40mA, f = 120Hz

VI - VO = 3V, Vripple = 1VPP

60

80

dB

VD

Dropout voltage

IO = 100mA

1

1.10

V

IO = 500mA

1.05

1.15

IO = 1A

1.15

1.30

ΔVO(pwr) Thermal regulation

Ta = 25°C, 30ms Pulse

0.08

0.2

%/W

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