MAX16807AUI+ datasheet(8/19 Pages) MAXIM

Part #	MAX16807AUI+

Description	Integrated 8-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 8-Channel LED Driver with

Switch-Mode Boost and SEPIC Controller

8

_______________________________________________________________________________________

TIMING RESISTANCE

vs. OSCILLATOR FREQUENCY

FREQUENCY (Hz)

1M

100k

1

10

100

1000

0.1

10k

10M

CT = 1nF

CT = 560pF

CT = 220pF

CT = 100pF

CT = 10nF

CT = 4.7nF

CT = 3.3nF

CT = 2.2nF

OUT IMPEDANCE vs. TEMPERATURE

(RDS_ON PMOS DRIVER)

TEMPERATURE (

°C)

110

95

65 80

-10 5

20 35 50

-25

2.2

2.4

2.6

2.8

3.0

3.2

3.4

3.6

3.8

4.0

4.2

4.4

4.6

4.8

5.0

2.0

-40

125

ISOURCE = 100mA

0

2

1

5

4

3

6

7

9

8

10

OUT IMPEDANCE vs. TEMPERATURE

(RDS_ON NMOS DRIVER)

-40

-10 5

20

-25

35 50

95

80

110

65

125

TEMPERATURE (

°C)

ISINK = 200mA

0

20

10

50

40

30

60

70

90

80

100

PROPAGATION DELAY FROM CURRENT-LIMIT

COMPARATOR TO OUT vs. TEMPERATURE

-40

-10 5

20

-25

35 50

95

80

110

65

125

TEMPERATURE (

°C)

ERROR-AMPLIFIER OPEN-LOOP GAIN

AND PHASE vs. FREQUENCY

MAX16807 toc14

FREQUENCY (Hz)

1M

100k

1k

10k

10 100

1

0

20

40

60

80

100

120

140

-20

0.01

100M

10M

-165

-140

-115

-90

-65

-40

-15

10

-190

PHASE

GAIN

1.5

1.6

2.2

1.8

1.7

1.9

2.0

2.1

2.3

-40

-10 5

20

-25

35 50

95

80

110

65

125

COMP VOLTAGE LEVEL TO TURN

OFF DEVICE vs. TEMPERATURE

TEMPERATURE (

°C)

VCC = 15V

2.0

3.0

2.5

4.0

3.5

5.0

4.5

5.5

6.5

6.0

7.0

20

220 320 420

120

520 620 720

920

820

1020

SUPPLY CURRENT

vs. OSCILLATOR FREQUENCY

FREQUENCY (kHz)

TA = +125

°C

CT = 100pF

TA = -40

°C

SUPPLY CURRENT vs. SUPPLY VOLTAGE

(INTERFACE IDLE, ALL OUTPUTS OFF, RSET = 720

Ω)

SUPPLY VOLTAGE (V)

5.0

4.5

4.0

3.5

1.85

1.90

1.95

2.00

1.80

3.0

5.5

TA = +125

°C

TA = +85

°C

TA = -40

°C

TA = +25

°C

Typical Operating Characteristics (continued)

(VCC = +15V, V+ = 3V to 5.5V, RT = 10kΩ, CT = 3.3nF, VREF = COMP = open, CREF = 0.1µF, VFB = 2V, VCS = VAGND = VPGND = 0V.

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

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MAX16807AUI+ Datasheet(PDF) 8 Page - Maxim Integrated Products

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