MAX16838AUPV+ datasheet(6/21 Pages) MAXIM

Part #	MAX16838AUPV+

Description	Integrated, 2-Channel, High-Brightness LED Driver with High-Voltage Boost and SEPIC Controller

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Manufacturer	MAXIM [Maxim Integrated Products]

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Integrated, 2-Channel, High-Brightness LED Driver

with High-Voltage Boost and SEPIC Controller

6 ______________________________________________________________________________________

Typical Operating Characteristics (continued)

(VIN = VEN = 12V, RRT = 12.2kI, RISET = 15kI, CVCC = 1FF, VCC = VDRV = VCFB, VDRAIN = VCOMP = VOUT_, FLT = unconnected,

VOV = VCS = VLEDGND = VDIM = VPGND = VSGND = 0V, VGATE = VNDRV, TA = +25NC, unless otherwise noted.)

IIN vs. FREQUENCY

FREQUENCY (MHz)

2.0

1.8

1.4 1.6

0.6 0.8 1.0 1.2

0.4

1

2

3

4

5

6

7

8

9

10

0

0.2

2.2

VIN = 12V

SWITCHING FREQUENCY

vs. TEMPERATURE

TEMPERATURE (°C)

110

95

65 80

-10 5 20 35 50

-25

351

352

353

354

355

356

357

358

359

360

350

-40

125

VIN = 12V

VISET vs. TEMPERATURE

TEMPERATURE (°C)

110

95

80

65

50

35

20

5

-10

-25

1.216

1.217

1.218

1.219

1.220

1.221

1.222

1.223

1.215

-40

125

VIN = 12V

VDIM = 0V

VISET vs. ILED

ILED (mA)

140

120

100

80

60

40

1.229

1.230

1.229

20

160

VIN = 12V

VEN_TH vs. TEMPERATURE

TEMPERATURE (°C)

110

95

80

65

50

35

20

5

-10

-25

1.15

1.20

1.25

1.30

1.10

-40

125

VEN RISING

VEN FALLING

EN LEAKAGE CURRENT

vs. TEMPERATURE

TEMPERATURE (°C)

110

95

80

65

50

35

20

5

-10

-25

50

100

150

200

250

300

0

-40

125

VEN = 40V

VEN = 12V

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MAX16838AUPV+ Datasheet(PDF) 6 Page - Maxim Integrated Products

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