LD1117A datasheet(7/24 Pages) STMICROELECTRONICS

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LD1117A

Electrical characteristics

Refer to the test circuits, TJ = 0 to 125 °C, CO = 10 µF, CI = 10 µF, R = 120 Ω between OUT-

GND, unless otherwise specified.

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

specified.

Table 4. Electrical characteristics of LD1117A#12

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Output voltage

VI = 5.3 V, IO = 10 mA, TJ = 25 °C

1.176

1.2

1.224

Output voltage

IO = 0 to 1 A, VI = 2.75 to 10 V

1.152

1.2

1.248

ΔVO

Line regulation

VI = 2.75 to 8 V, IO = 0 mA

ΔVO

Load regulation

VI = 2.75 V, IO = 0 to 1 A

ΔVO

Temperature stability

0.5

ΔVO

Long term stability

1000 hrs, TJ = 125 °C

0.3

Operating input voltage

IO = 100 mA

Quiescent current

VI ≤ 8 V, IO = 0 mA

Output current

VI - VO = 5 V, TJ = 25 °C

1000

1200

Output noise voltage

B = 10 Hz to 10 kHz, TJ = 25 °C

100

µV

SVR

Supply voltage rejection

IO = 40 mA, f = 120 Hz

VI - VO = 3 V, Vripple = 1 VPP

Dropout voltage

IO = 100 mA

1.10

IO = 500 mA

1.05

1.15

IO = 1 A

1.15

1.30

ΔVO(pwr) Thermal regulation

Ta = 25 °C, 30 ms pulse

0.08

0.2

%/W

Table 5. Electrical characteristics of LD1117A#18

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Output voltage

VI = 3.8 V, IO = 10 mA, TJ = 25 °C

1.764

1.8

1.836

Output voltage

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

1.728

1.872

ΔVO

Line regulation

VI = 3.3 to 8 V, IO = 0 mA

ΔVO

Load regulation

VI = 3.3 V, IO = 0 to 1 A

ΔVO

Temperature stability

0.5

ΔVO

Long term stability

1000 hrs, TJ = 125 °C

0.3

Operating input voltage

IO = 100 mA

Quiescent current

VI ≤ 8 V, IO = 0 mA

Output current

VI - VO = 5 V, TJ = 25 °C

1000

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