LD1117 datasheet(9/44 Pages) STMICROELECTRONICS

9 / 44 page

DocID2572 Rev 33

9/44

LD1117

Electrical characteristics

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

pins, unless otherwise specified.

Table 3. Electrical characteristics of LD1117#12

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Output voltage

Vin = 3.2 V, IO = 10 mA, TJ = 25 °C

1.188

1.20

1.212

Output voltage

IO = 10 to 800 mA

Vin - VO = 1.4 to 10 V

1.140

1.20

1.260

ΔVO

Line regulation

Vin - VO = 1.5 to 13.75 V, IO = 10 mA

0.035

0.2

ΔVO

Load regulation

Vin - VO = 3 V, IO = 10 to 800 mA

0.1

0.4

ΔVO

Temperature stability

0.5

ΔVO

Long term stability

1000 hrs, TJ = 125 °C

0.3

Vin

Operating input voltage

Iadj

Adjustment pin current

Vin ≤ 15 V

120

µA

ΔIadj

Adjustment pin current change

Vin - VO = 1.4 to 10 V

IO = 10 to 800 mA

µA

IO(min)

Minimum load current

Vin = 15 V

Output current

Vin - VO = 5 V, TJ = 25 °C

800

950

1300

Output noise (%VO)

B = 10 Hz to 10 kHz, TJ = 25 °C

0.003

SVR

Supply voltage rejection

IO = 40 mA, f = 120 Hz, TJ = 25 °C

Vin - VO = 3 V, Vripple = 1 VPP

Dropout voltage

IO = 100 mA

1.1

IO = 500 mA

1.05

1.15

IO = 800 mA

1.10

1.2

Thermal regulation

Ta = 25 °C, 30 ms Pulse

0.01

0.1

%/W

LD1117 数据表(PDF) 9 Page - STMicroelectronics

LD1117 数据表(HTML) 9 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44

数据表下载