LD1117A datasheet(9/24 Pages) STMICROELECTRONICS

部件名	LD1117A

功能描述	Low drop fixed and adjustable positive voltage regulators

PDF	24 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

9 / 24 page

DocID7194 Rev 26

9/24

LD1117A

Electrical characteristics

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

Iadj

Adjustment pin current

Vin ≤ 10 V

120

µA

ΔIadj

Adjustment pin current

change

Vin - VO = 1.4 to 10 V, IO = 10 mA to 1 A

µA

IO(min)

Minimum load current

Vin = 10 V

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 7. Electrical characteristics of LD1117A (adjustable) (continued)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

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