LT8301MP 查看數據表（PDF） - Analog Devices

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LT8301MP

42VIN Micropower No-Opto Isolated Flyback Converter with 65V/1.2A Switch

Analog Devices 

LT8301

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

Output Load and Line Regulation

5.20

FRONT PAGE APPLICATION

5.15

5.10

5.05

5.00

4.95

4.90

4.85

4.80

0

VIN = 5V

VIN = 12V

VIN = 24V

VIN = 36V

0.2 0.4 0.6 0.8 1.0 1.2

LOAD CURRENT (A)

8301 G01

Boundary Mode Waveforms

Output Short-Circuit Protection

6

FRONT PAGE APPLICATION

5

4

3

2

VIN = 5V

1

VIN = 12V

VIN = 24V

VIN = 36V

0

0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6

LOAD CURRENT (A)

8301 G02

Discontinuous Mode Waveforms

Switching Frequency

vs Load Current

350

FRONT PAGE APPLICATION

300

250

200

150

100

50

0

0

VIN = 5V

VIN = 12V

VIN = 24V

VIN = 36V

0.2 0.4 0.6 0.8 1.0 1.2

LOAD CURRENT (A)

8301 G03

Burst Mode Waveforms

VOUT

50mV/DIV

VOUT

50mV/DIV

VOUT

50mV/DIV

VSW

20V/DIV

5µs/DIV

FRONT PAGE APPLICATION

VIN = 12V

ILOAD = 600mA

VSW

20V/DIV

8301 G04

5µs/DIV

FRONT PAGE APPLICATION

VIN = 12V

ILOAD = 200mA

VSW

20V/DIV

8301 G05

20µs/DIV

FRONT PAGE APPLICATION

VIN = 12V

ILOAD = 6mA

8301 G06

VIN Shutdown Current

10

TJ = 150°C

TJ = 25°C

8

TJ = –55°C

6

4

2

0

0 5 10 15 20 25 30 35 40 45

VIN (V)

8301 G07

VIN Quiescent Current,

Sleep Mode

140

130

120

110

100

90

80

TJ = 150°C

70

TJ = 25°C

TJ = –55°C

60

0 5 10 15 20 25 30 35 40 45

VIN (V)

8301 G08

VIN Quiescent Current,

Active Mode

400

380

360

340

320

300

280

0

TJ = 150°C

TJ = 25°C

TJ = –55°C

5 10 15 20 25 30 35 40 45

VIN (V)

8301 G09

Rev. B

4

For more information www.analog.com

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