MAX15000BEUB+ datasheet(5/18 Pages) MAXIM

Part #	MAX15000BEUB+

Description	Current-Mode PWM Controllers with Programmable Switching Frequency

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Manufacturer	MAXIM [Maxim Integrated Products]

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Current-Mode PWM Controllers with

Programmable Switching Frequency

_______________________________________________________________________________________

5

UVLO/EN SHUTDOWN THRESHOLD

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

1.155

1.160

1.165

1.170

1.175

1.180

1.150

-40

85

UVLO/EN FALLING

VIN SUPPLY CURRENT IN UVLO

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

50

55

60

65

45

-40

85

VIN = 19V

MAX15000 WHEN IN

BOOTSTRAP UVLO

VIN SUPPLY CURRENT AFTER

STARTUP vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

1.6

1.7

1.8

1.9

2.0

1.5

-40

85

VIN = 24V

fSW = 350kHz

VCC REGULATOR SET POINT

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

9.2

9.4

9.6

9.8

9.0

-40

85

VIN = 19V

NDRV NOT SWITCHING

NDRV SWITCHING

fSW = 350kHz

VCC REGULATOR SET POINT

vs. TEMPERATURE

TEMPERATURE (

°C)

60

40

-20

0

20

8.2

8.3

8.4

8.5

8.6

8.7

8.8

8.9

8.1

-40

80

10mA LOAD

VIN = 19V

20mA LOAD

CURRENT-LIMIT TRIP THRESHOLD

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

0.97

0.98

0.99

1.00

1.01

1.02

0.96

-40

85

-3

σ

MEAN

+3

σ

TOTAL NUMBER OF DEVICES = 140

CURRENT-LIMIT TRIP THRESHOLD

CURRENT-LIMIT TRIP THRESHOLD (V)

1.022

0.993

1.007

0.978

10

20

30

40

50

60

0

0.964

1.036

TOTAL NUMBER

OF DEVICES = 140

SWITCHING FREQUENCY

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

330

335

340

345

350

355

325

-40

85

-3

σ

MEAN

+3

σ

TOTAL NUMBER OF DEVICES = 140

SWITCHING FREQUENCY

SWITCHING FREQUENCY (kHz)

354.0

340.3

347.2

333.5

10

20

30

40

50

60

0

326.7

360.8

TOTAL NUMBER

OF DEVICES = 140

Typical Operating Characteristics (continued)

(VUVLO/EN = +1.4V, VFB = +1V, COMP = open, VCS = 0V, TA = +25°C, unless otherwise noted.)

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