LT8300E Просмотр технического описания (PDF) - Analog Devices

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производитель

LT8300E

100VIN Micropower Isolated Flyback Converter with 150V/260mA Switch

Analog Devices 

LT8300

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 = 36V

VIN = 48V

VIN = 72V

50 100 150 200 250 300

LOAD CURRENT (mA)

8300 G01

Output Temperature Variation

5.5

FRONT PAGE APPLICATION

5.4 VIN = 48V, IOUT = 200mA

5.3

5.2

5.1

5.0

4.9

4.8

4.7

4.6

4.5

–50

–25 0 25 50 75 100 125 150

AMBIENT TEMPERATURE (°C)

8300 G02

Switching Frequency

vs Load Current

500

FRONT PAGE APPLICATION

VIN = 48V

400

300

200

100

0

0 50 100 150 200 250 300

LOAD CURRENT (mA)

8300 G03

Boundary Mode Waveforms

Discontinuous Mode Waveforms

Burst Mode Waveforms

ILPRI

100mA/DIV

VSW

50V/DIV

VOUT

50mV/DIV

2µs/DIV

FRONT PAGE APPLICATION

VIN = 48V, IOUT = 300mA

ILPRI

100mA/DIV

VSW

50V/DIV

VOUT

50mV/DIV

8300 G04

2µs/DIV

FRONT PAGE APPLICATION

VIN = 48V, IOUT = 60mA

ILPRI

100mA/DIV

VSW

50V/DIV

VOUT

50mV/DIV

8300 G05

20µs/DIV

FRONT PAGE APPLICATION

VIN = 48V, IOUT = 1mA

8300 G06

VIN Shutdown Current

10

8

6

4

2

TJ = 150°C

TJ = 25°C

TJ = –55°C

0

0

20

40

60

80 100

VIN (V)

8300 G07

4

VIN Quiescent Current,

Sleep Mode

100

90

80

TJ = 150°C

70

TJ = 25°C

60

TJ = –55°C

50

40

0

20

40

60

80 100

VIN (V)

8300 G08

For more information www.analog.com

VIN Quiescent Current,

Active Mode

380

360

TJ = 150°C

340

TJ = 25°C

320

TJ = –55°C

300

280

0

20

40

60

80 100

VIN (V)

8300 G09

Rev. A

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