Typical operating characteristics (continued) – Rainbow Electronics MAX14514 User Manual

Page 6

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MAX14514

Dual Electroluminescent Lamp Driver

6

_______________________________________________________________________________________

Typical Operating Characteristics (continued)

(V

DD

= +3.6V, T

A

= +25°C, unless otherwise noted.)

PEAK-TO-PEAK OUTPUT VOLTAGE

vs. TEMPERATURE

MAX14514 toc07

TEMPERATURE (

°C)

PEAK-TO-PEAK OUTPUT VOLTAGE (V)

35

60

-15

10

50

100

150

200

250

0

-40

85

PEAK-TO-PEAK OUTPUT VOLTAGE

vs. DIM VOLTAGE

MAX14514 toc08

DIM VOLTAGE (V)

PEAK-TO-PEAK OUTPUT VOLTAGE (V)

1.35

100

200

50

150

250

0

0.35

0.85

V

DD

= 2.7V

V

DD

= 4.6V

V

DD

= 5.5V

DIM1 = DIM2

V

DD

= 3.6V

PEAK-TO-PEAK OUTPUT VOLTAGE

vs. DIM DUTY CYCLE

MAX14514 toc09

DUTY CYCLE (%)

PEAK-TO-PEAK OUTPUT VOLTAGE (V)

60

40

100

200

50

150

250

0

20

80

f

DIM

= 1MHz

DIM1 = DIM2
V

DD

= 5.5V

f

DIM

= 200kHz

RMS OUTPUT VOLTAGE

vs. SUPPLY VOLTAGE

MAX14514 toc10

SUPPLY VOLTAGE (V)

RMS OUTPUT VOLTAGE (V)

3.4

4.1

4.8

10

30

50

70

20

40

60

80

90

0

2.7

5.5

AVERAGE OUTPUT VOLTAGE

vs. SUPPLY VOLTAGE

MAX14514 toc11

SUPPLY VOLTAGE (V)

AVERAGE OUTPUT VOLTAGE (mV)

3.4

4.1

4.8

100

300

500

200

400

600

700

0

2.7

5.5

AVERAGE OUTPUT VOLTAGE

vs. TEMPERATURE

MAX14514 toc12

TEMPERATURE (

°C)

AVERAGE OUTPUT VOLTAGE (mV)

35

60

-15

10

100

300

500

200

400

600

700

0

-40

85

EL SWITCHING FREQUENCY vs. C

EL

MAX14514 toc13

C

EL

(nF)

EL SWITCHING FREQUENCY (Hz)

1

1.5

2

100

300

500

200

400

600

0

0.5

2.5

EL SWITCHING FREQUENCY

vs. SUPPLY VOLTAGE

MAX14514 toc14

SUPPLY VOLTAGE (V)

EL SWITCHING FREQUENCY (Hz)

3.4

4.1

4.8

226

228

230

227

229

231

233

232

234

235

225

2.7

5.5

EL SWITCHING FREQUENCY

vs. TEMPERATURE

MAX14514 toc15

TEMPERATURE (

°C)

EL SWITCHING FREQUENCY (Hz)

35

-15

60

10

190

210

230

200

220

240

260

250

270

180

-40

85

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