MAX15059BETE(2010_03) データシートの表示（PDF） - Maxim Integrated

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MAX15059BETE
(Rev.:2010_03)

76V, 300mW Boost Converter and Current Monitor for APD Bias Applications

Maxim Integrated 

76V, 300mW Boost Converter and Current

Monitor for APD Bias Applications

Typical Operating Characteristics (continued)

(VIN = 3.3V, VOUT = 70V, TA = +25°C, unless otherwise noted.)

SHORT-CIRCUIT RESPONSE

MAX15059 toc26

RLIM = 3.16kI

VAPD

50V/div

IMOUT

2mA/div

2µs/div

IILIM

5V/div

VOLTAGE DROP vs. APD CURRENT

3.0

2.5

TA = -40°C

2.0

1.5

1.0

TA = +25°C

TA = +85°C

0.5

0

0.1

1

10 100 1000 10,000

IAPD (µA)

SWITCHING FREQUENCY

vs. TEMPERATURE

410

409

408

407

406

405

404

403

402

401

400

-40 -15

10

35

60

85

TEMPERATURE (°C)

SWITCHING FREQUENCY

vs. INPUT VOLTAGE

410

408

406

404

402

400

398

396

394

392

390

2.5 3.0 3.5 4.0 4.5 5.0 5.5

INPUT VOLTAGE (V)

410

408

406

404

402

400

398

396

394

392

390

0

SWITCHING FREQUENCY AND

DUTY CYCLE vs. LOAD CURRENT

50 MAX15059 toc30

45

DUTY CYCLE

40

35

30

25

SWITCHING FREQUENCY 20

15

10

5

0

0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0

LOAD CURRENT (mA)

FB SET POINT vs. TEMPERATURE

1.240

1.238

1.236

1.234

1.232

1.230

1.228

1.226

1.224

1.222

VIN = 3.3V

1.220

-40 -15

10

35

60

85

TEMPERATURE (°C)

APD OUTPUT RIPPLE VOLTAGE

(0.1µF FROM APD TO GROUND, VBIAS = 70V, LAPD = 1mA)

MAX15059 toc32

VAPD

AC-COUPLED, 70V

1mV/div

1µs/div

8   _______________________________________________________________________________________

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