LT3085 데이터 시트보기 (PDF) - Linear Technology

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LT3085

3µA IQ, 20mA, 45V Low Dropout Fault Tolerant Linear Regulators

Linear Technology 

LT3007 Series

TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted.

Load Regulation

5.0

4.5

∆IL = 1µA to 20mA

VOUT = 600mV

4.0 VIN = 2V

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0

–50 –25 0 25 50 75 100 125 150

TEMPERATURE (°C)

3007 G28

Output Noise Spectral Density

100 COUT = 2.2µF

5V

ILOAD = 20mA

3.3V

2.5V

1.8V

1.5V

10

1V

0.6V

1

0.1

10

100

1k

10k

FREQUENCY (Hz)

100k

3007 G29

RMS Output Noise

vs Load Current

500 COUT = 10µF

450

400

350

300

250

200

150

100

50

0

0.001 0.01

0.1

1

ILOAD (mA)

5V

3.3V

2.5V

1.8V

1.5V

1.2V

0.6V

10

100

3007 G30

Transient Response

VOUT

50mV/DIV

IOUT = 1mA TO 20mA

VIN = 5.5V

VOUT = 5V

COUT = 2.2µF

Transient Response

VOUT

50mV/DIV

IOUT = 1mA TO 20mA

VIN = 5.5V

VOUT = 5V

COUT = 10µF

Transient Response (Load Dump)

VOUT

50mV/DIV

45V

IOUT

20mA/DIV

500µs/DIV

3007 G31

IOUT

20mA/DIV

500µs/DIV

3007 G32

VIN

10V/DIV

VOUT = 5V

IOUT = 20mA

COUT = 4.7µF

12V

1ms/DIV

3007 G33

3007f

8

For more information www.linear.com/LT3007

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