LM2940-10-AA3-R 查看數據表（PDF） - Unisonic Technologies

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LM2940-10-AA3-R

1A LOW-DROPOUT POSITIVE VOLTAGE REGULATOR

Unisonic Technologies 

LM2940

TYPICAL CHARACTERISTICS (Cont.)

Line Transient Response

30

20

10

0

-10

-20

-30

3V

0V

-10

0 10 20 30 40

Time (μS)

50 60

Ripple Rejection vs. Frequency

95

VIN=10V

85

VoUT=5 V

COUT=22μF

IoUT=10mA

75

65

55

45

35

1

10 100 1K 10K 100K 1M

Frequency (Hz)

Low Voltage Behavior

14

IoUT=1A

12 VoUT=8 V

TJ=25℃

10

8

6

4

2

0

0246

8 10 12 14

Input Voltage (V)

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

LINEAR INTEGRATED CIRCUIT

Load Transient Response

0.5

0.4 VIN=10V

0.3

0.2

VoUT=5 V

COUT=22μF

0.1 TJ=25℃

0

-0.1

-0.2

-0.3

-0.4

-0.5

1.0

0.5

0

-10 0

10 20 30 40

Time (μS)

Low Voltage Behavior

5.0

IoUT=1A

VoUT=5 V

TJ=25℃

4.0

3.0

2.0

1.0

1.0 2.0 3.0 4.0 5.0 6.0

Input Voltage (V)

Low Voltage Behavior

18

IoUT=1A

VoUT=9 V

15 TJ=25℃

12

9

6

3

0

0 3 6 9 12 15 18

Input Voltage (V)

8 of 11

QW-R102-016.E

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