MAX8541EEE datasheet(7/16 Pages) MAXIM

tên linh kiện	MAX8541EEE

Giải thích chi tiết về linh kiện	Synchronizable, High-Frequency Current- and Voltage-Mode PWM Controllers for Isolated Supplies

PDF	16 Pages

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nhà sản xuất	MAXIM [Maxim Integrated Products]

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

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Synchronizable, High-Frequency Current- and

Voltage-Mode PWM Controllers for Isolated Supplies

_______________________________________________________________________________________

FREQUENCY

vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

15.9

13.8

11.8

9.7

200

400

600

800

1000

7.6

18.0

RFREQ = 10k

Ω

RFREQ = 20k

Ω

RFREQ = 50k

Ω

SKTON/SKTOFF TIME

vs. CAPACITANCE

CAPACITANCE (

µF)

0.8

0.2

0.4

0.6

200

400

600

800

1000

1.0

PROGRAMABLE LATCH-OFF DELAY

MAX8540 toc12

4ms/div

VDRV

VCS

2V/div

CSKTON = 0.01

µF

REFERENCE VOLTAGE

vs. LOAD CURRENT

LOAD CURRENT (mA)

4.92

4.94

4.96

4.98

5.00

5.02

5.04

5.06

5.08

5.10

4.90

012

REFERENCE VOLTAGE vs. VCC

VCC (V)

15.9

13.8

11.8

9.7

4.96

4.98

5.00

5.02

5.04

5.06

4.94

7.6

18.0

Typical Operating Characteristics (continued)

(VCC = 12V, TA = +25°C, unless otherwise specified.)

LATCH-OFF OVERCURRENT WAVEFORMS

MAX8540 toc15

10ms/div

VDRV

VSKTON

VSKTOFF

1V/div

CSKTON = 0.01

µF

HICCUP-MODE OVERCURRENT WAVEFORMS

MAX8540 toc16

4ms/div

VDRV

VSKTON

VSKTOFF

1V/div

CSKTON , CSKTFOF = 0.01

µF

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