LT8302MPS8E 查看數據表（PDF） - Linear Technology

零件编号

产品描述 (功能)

比赛名单

LT8302MPS8E

42VIN Micropower No-Opto Isolated Flyback Converter with 65V/3.6A Switch

Linear Technology 

LT8302

Typical Performance Characteristics TA = 25°C, unless otherwise noted.

Output Load and Line Regulation

5.20

5.15

5.10

5.05

5.00

4.95

4.90

4.85

4.80

0

VIN = 5V

VIN = 12V

VIN = 24V

0.5 1.0 1.5 2.0 2.5 3.0

LOAD CURRENT (A)

8302 G01

Boundary Mode Waveforms

Output Temperature Variation

5.3

FRONT PAGE APPLICATION

VIN = 12V

5.2 IOUT = 1A

5.1

RTC = 115k

5.0

RTC = OPEN

4.9

4.8

4.7

–50 –25

0 25 50 75 100 125 150

TEMPERATURE (°C)

8302 G02

Discontinuous Mode Waveforms

Switching Frequency

vs Load Current

500

FRONT PAGE APPLICATION

400

300

200

100

0

0

VIN = 5V

VIN = 12V

VIN = 24V

0.5 1.0 1.5 2.0 2.5 3.0

LOAD CURRENT (A)

8302 G03

Burst Mode Waveforms

VSW

20V/DIV

VOUT

50mV/DIV

2µs/DIV

FRONT PAGE APPLICATION

VIN = 12V

IOUT = 2A

VSW

20V/DIV

VOUT

50mV/DIV

8302 G04

2µs/DIV

FRONT PAGE APPLICATION

VIN = 12V

IOUT = 0.5A

VSW

20V/DIV

VOUT

50mV/DIV

8302 G05

20µs/DIV

FRONT PAGE APPLICATION

VIN = 12V

IOUT = 10mA

8302 G06

VIN Shutdown Current

10

8

TJ = 150°C

TJ = 25°C

TJ = –55°C

6

4

2

0

0

10

20

30

40

50

VIN (V)

8302 G07

VIN Quiescent Current,

Sleep Mode

140

130

TJ = 150°C

120

110

TJ = 25°C

100

TJ = –55°C

90

80

0

10

20

30

40

50

VIN (V)

8302 G08

VIN Quiescent Current,

Active Mode

420

TJ = 150°C

400

380

TJ = 25°C

TJ = –55°C

360

340

320

0

10

20

30

40

50

VIN (V)

8302 G09

8302fa

4

For more information www.linear.com/LT8302

Share Link: