LT1120CH(RevB) 查看數據表（PDF） - Linear Technology

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LT1120CH
(Rev.:RevB)

Micropower Regulator with Comparator and Shutdown

Linear Technology 

LT1120

TYPICAL PERFOR A CE CHARACTERISTICS

Supply Current

10

IOUT = 100mA

1

IOUT = 10mA

0.1

IOUT = 1mA

VOUT = 5V

TJ = –55°C TO 125°C

0.01

1

5

10

15

20

25

REGULATOR INPUT-OUTPUT DIFFERENTIAL (V)

1120 G07

Reference Regulation

4

3

2

1

0

–1

–2

–3

–4

–1.5 –1.0 –0.5 0

0.5 1.0 1.5

REFERENCE OUTPUT CURRENT (mA)

1120 G09

Supply Current at Dropout

10

TJ = –55°C TO 125°C

IOUT = 100mA

1

IOUT = 10mA

0.1

IOUT = 1mA

0.01

1

0.1 0.2 0.3 0.4 0.5 0.6

REGULATOR INPUT-OUTPUT DIFFERENTIAL (V)

1120 G08

Feedback Pin Current

40

35

30

TJ = –55°C

25

20

15

TJ = 25°C

10

5

TJ = 125°C

0

0.1

1

10

100

1000

REGULATOR OUTPUT CURRENT (mA)

1120 G11

Regulator Thermal Regulation

0.1

VIN = 15V

VOUT = 5V

0

–0.1

50

0

0 20 40 60 80 100 120 140 160 180

TIME (ms)

1120 G12

LT1120 Turn-On Characteristic

5.5

5.0 VOUT = 5V

4.5

NO LOAD

4.0

RL = 500Ω

3.5

3.0

2.5

2.0

0

RL = 50Ω

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INPUT VOLTAGE (V)

1120 G13

5

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