MAX16826ATJ(2009) Ver la hoja de datos (PDF) - Maxim Integrated

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componentes Descripción

Fabricante

MAX16826ATJ
(Rev.:2009)

Programmable, Four-String HB LED Driver with Output-Voltage Optimization and Fault Detection

Maxim Integrated 

Programmable, Four-String HB LED Driver with

Output-Voltage Optimization and Fault Detection

Typical Operating Characteristics (continued)

(VIN = 12V, R19 = 2kΩ, C33 = 2200pF, R17 = 1.27kΩ, CDL_ = 0.01µF. TA = +25°C, unless otherwise noted.)

ENABLE AND DISABLE RESPONSE

MAX16826 toc09

VCC VOLTAGE

vs. LOAD CURRENT

5.5

VCC VOLTAGE

vs. TEMPERATURE

5.5

5.4

5.4

VSYNC/EN

5V/div

0V

5.3

5.3

ILED

100mA/div

5.2

5.2

0mA

5.1

5.1

40ms/div

6

5.0

0

VCC VOLTAGE

vs. SUPPLY VOLTAGE

10

20

30

40

50

LOAD CURRENT (mA)

27.0

5.0

0

20

40

60

80

100

TEMPERATURE (°C)

SHUNT VOLTAGE

vs. SHUNT CURRENT

5

26.5

4

26.0

3

25.5

2

25.0

1

24.5

0

0 4 8 12 16 20 24

SUPPLY VOLTAGE (V)

24.0

0

50 100 150 200 250

SHUNT CURRENT (mA)

SHUNT VOLTAGE

vs. TEMPERATURE

28

SHUNT REGULATOR LOAD DUMP RESPONSE

MAX16826 toc15

27

VSUPPLY

20V/div

26

0V

25

24

23

22

-40 -15 10 35 60 85 110

TEMPERATURE (°C)

VSHUNT

200ms/div

10V/div

0V

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