LD1117DTC-R datasheet(12/38 Pages) STMICROELECTRONICS

12 / 38 page

Electrical characteristics

LD1117 series

12/38

Table 10.

Electrical characteristics of LD1117 (Adjustable)

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

Symbol

Parameter

Test

Min.

Typ.

Max.

Unit

Vref

Reference voltage

Vin - VO = 2 V, IO = 10 mA, TJ = 25°C

1.238

1.25

1.262

Vref

Reference voltage

IO = 10 to 800 mA, Vin - VO = 1.4 to 10 V 1.225

1.275

∆VO

Line regulation

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

0.035

0.2

∆VO

Load regulation

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

0.1

0.4

∆VO

Temperature stability

0.5

∆VO

Long term stability

1000 hrs, TJ = 125°C

0.3

Vin

Operating input voltage

Iadj

Adjustment pin current

Vin ≤15 V

120

µA

∆Iadj

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 =10Hz to 10KHz, TJ = 25°C

0.003

SVR

Supply voltage rejection

IO = 40 mA, f = 120Hz, 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, 30ms Pulse

0.01

0.1

%/W

LD1117DTC-R 数据表(PDF) 12 Page - STMicroelectronics

LD1117DTC-R 数据表(HTML) 12 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

数据表下载