MAX16801BEUA+ datasheet(4/16 Pages) MAXIM

Part #	MAX16801BEUA+

Description	Offline and DC-DC PWM Controllers for High-Brightness LED Drivers

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Manufacturer	MAXIM [Maxim Integrated Products]

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Offline and DC-DC PWM Controllers for

High-Brightness LED Drivers

4

_______________________________________________________________________________________

Typical Operating Characteristics

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

BOOTSTRAP UVLO WAKE-UP LEVEL

vs. TEMPERATURE

TEMPERATURE (

°C)

60

40

20

0

-20

21.35

21.40

21.45

21.50

21.55

21.60

21.30

-40

80

MAX16801 VIN RISING

BOOTSTRAP UVLO SHUTDOWN LEVEL

vs. TEMPERATURE

TEMPERATURE (

°C)

60

40

20

0

-20

9.8

9.9

10.0

10.1

9.7

-40

80

MAX16801 VIN FALLING

UVLO/EN WAKE-UP THRESHOLD

vs. TEMPERATURE

TEMPERATURE (

°C)

60

40

20

0

-20

1.255

1.260

1.265

1.270

1.275

1.280

1.250

-40

80

UVLO/EN RISING

UVLO/EN SHUTDOWN THRESHOLD

vs. TEMPERATURE

TEMPERATURE (

°C)

60

40

20

0

-20

1.15

1.20

1.25

1.30

1.10

-40

80

UVLO/EN FALLING

VIN SUPPLY CURRENT IN UNDERVOLTAGE

LOCKOUT vs. TEMPERATURE

TEMPERATURE (

°C)

60

40

20

0

-20

43

44

45

46

47

48

49

50

51

52

42

-40

80

VIN = 19V

MAX16801 WHEN IN BOOTSTRAP UVLO

MAX16802 WHEN UVLO/EN IS LOW

VIN SUPPLY CURRENT AFTER STARTUP

vs. TEMPERATURE

TEMPERATURE (

°C)

60

40

20

0

-20

1.2

1.3

1.4

1.5

1.1

-40

80

VIN = 24V

VCC REGULATOR SET POINT

vs. TEMPERATURE

TEMPERATURE (

°C)

60

40

20

0

-20

9.3

9.5

9.4

9.7

9.6

9.8

9.2

-40

80

VIN = 19V

NO LOAD

NDRV OUTPUT IS NOT

SWITCHING, VFB = 1.5V

NDRV OUTPUT IS

SWITCHING

VCC REGULATOR SET POINT

vs. TEMPERATURE

TEMPERATURE (

°C)

60

40

20

0

-20

8.2

8.5

8.6

8.4

8.3

8.8

8.7

8.9

8.1

-40

80

VIN = 10.8V

10mA LOAD

20mA LOAD

CURRENT-SENSE THRESHOLD

vs. TEMPERATURE

TEMPERATURE (

°C)

60

40

20

0

-20

275

290

295

285

280

305

300

310

270

-40

80

+3

σ

-3

σ

MEAN

TOTAL NUMBER OF

DEVICES = 100

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