MAX8543EEE datasheet(7/27 Pages) MAXIM

tên linh kiện	MAX8543EEE

Giải thích chi tiết về linh kiện	Step-Down Controllers with Prebias Startup, Lossless Sensing, Synchronization, and OVP

PDF	27 Pages

Scroll/Zoom	100%

nhà sản xuất	MAXIM [Maxim Integrated Products]

Trang chủ	https://www.maximintegrated.com/en.html

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Step-Down Controllers with Prebias Startup,

Lossless Sensing, Synchronization, and OVP

_______________________________________________________________________________________

EFFICIENCY vs. LOAD CURRENT

WITH 12V INPUT

LOAD CURRENT (A)

100

0.1

100

VOUT = 3.3V

VOUT = 2.5V

VOUT = 1.8V

fS = 600kHz

EFFICIENCY vs. LOAD CURRENT

WITH 3.3V INPUT

LOAD CURRENT (A)

100

0.1

100

VOUT = 2.5V

VOUT = 1.8V

fS = 500kHz

VOUT = 1.5V

LOAD REGULATION WITH 12V INPUT

LOAD CURRENT (A)

2.46

2.47

2.48

2.49

2.50

2.51

2.52

2.53

2.54

2.55

2.45

015

LINE REGULATION WITH 12V INPUT

AND 2.5V OUTPUT

INPUT VOLTAGE (V)

12.6

12.0

11.4

2.492

2.494

2.496

2.498

2.500

2.502

2.504

2.506

2.508

2.510

2.490

10.8

13.2

NO LOAD

15A LOAD

LINE REGULATION

3.0V TO 3.6V INPUT

INPUT VOLTAGE (V)

3.5

3.4

3.3

3.2

3.1

2.44

2.46

2.48

2.50

2.52

2.54

2.42

3.0

3.6

NO LOAD

15A LOAD

fS = 350kHz

15A LOAD

fS = 500kHz

OSCILLATOR FREQUENCY

vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

5.0

4.5

4.0

3.5

420

440

460

480

500

520

540

560

580

600

400

3.0

5.5

TA = +85

°C

TA = +25

°C

TA = -40

°C

R6 = 53.6k

Ω

OSCILLATOR FREQUENCY

vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

11.5

9.5

7.5

520

540

560

580

600

620

640

660

680

700

500

5.5

13.5

R6 = 42.2k

Ω

TA = +85

°C

TA = -40

°C

TA = +25

°C

Typical Operating Characteristics

(TA = +25°C, unless otherwise noted.)

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