MAX16809 datasheet(7/20 Pages) MAXIM

Part #	MAX16809

Description	Integrated 16-Channel LED Driver with Switch-Mode Boost and SEPIC Controller

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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Integrated 16-Channel LED Driver with

Switch-Mode Boost and SEPIC Controller

_______________________________________________________________________________________

7

BOOTSTRAP UVLO vs. TEMPERATURE

TEMPERATURE (

°C)

110

95

65 80

-10 5

20 35 50

-25

0

1

2

3

4

5

6

7

8

9

10

-40

125

VCC RISING

VCC FALLING

HYSTERESIS

25

27

39

31

29

33

35

37

41

-40

-10 5

20

-25

35 50

95

80

110

65

125

STARTUP CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

VCC = 7.5V

3.5

3.7

4.9

4.1

3.9

4.3

4.5

4.7

5.1

OPERATING SUPPLY CURRENT

vs. TEMPERATURE AFTER STARTUP

(fOSC = fSW = 300kHz)

-40

-10 5

20

-25

35 50

95

80

110

65

125

TEMPERATURE (

°C)

CT = 560pF

4.90

4.94

4.92

5.00

4.98

4.96

5.02

5.04

5.06

5.08

REFERENCE VOLTAGE

vs. TEMPERATURE

-40

-10 5 20

-25

35 50

95

80

110

65

125

TEMPERATURE (

°C)

IREF = 1mA

IREF = 20mA

4.65

4.75

4.70

4.85

4.80

5.00

4.95

4.90

5.05

020

10

30

40

50

60

70

REFERENCE VOLTAGE

vs. REFERENCE LOAD CURRENT

IREF (mA)

4.980

4.984

4.982

4.988

4.986

4.992

4.990

4.994

4.998

4.996

5.000

10

14

16

12

18

20

22

24

26

REFERENCE VOLTAGE

vs. SUPPLY VOLTAGE

VCC (V)

IREF = 1mA

450

470

460

500

490

480

510

520

540

530

550

-40

-10 5

-25

20 35 50 65 80 95 110 125

OSCILLATOR FREQUENCY (fOSC)

vs. TEMPERATURE

TEMPERATURE (

°C)

RT = 3.65kΩ

CT = 560pF

7.88

7.90

8.02

7.94

7.92

7.96

7.98

8.00

8.04

-40

-10 5

20

-25

35 50

95

80

110

65

125

OSCILLATOR RT/CT DISCHARGE CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

VRT/CT = 2V

Typical Operating Characteristics

(VCC = +15V, V+ = 3V to 5.5V, RT = 10k

Ω, CT = 3.3nF, VREF = COMP = open, CREF = 0.1μF, VFB = 2V, CS = AGND = PGND = 0V.

Typical values are at TA = +25°C, unless otherwise noted.)

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