Rainbow-electronics MAX15031 Manual do Utilizador descarregar pdf (Página 6)

MAX15031

80V, 300mW Boost Converter and Current

Monitor for APD Bias Applications

6 _______________________________________________________________________________________

Typical Operating Characteristics (continued)

PWR

= V

= 3.3V, V

OUT

= 70V, circuit of Figure 3 (Figure 4 for V

> 5.5V), unless otherwise noted.)

BIAS CURRENT

vs. APD CURRENT

MAX15031 toc17

APD CURRENT (mA)

BIAS CURRENT (mA)

10.10.010.001

0.1

0.01

0.0001 10

BIAS

= 70V

BIAS CURRENT

vs. TEMPERATURE

MAX15031 toc18

TEMPERATURE (°C)

BIAS CURRENT (mA)

1109580655035205-10-25

0.1

0.01

-40 125

APD

= 2mA

APD

= 500nA

GAIN ERROR

vs. APD CURRENT

MAX15031 toc19

APD

(µA)

GAIN ERROR (%)

1000100101

-4

-3

-2

-1

-5

0.1 10,000

BIAS

= 70V

GAIN ERROR

vs. TEMPERATURE

MAX15031 toc20

TEMPERATURE (°C)

GAIN ERROR (%)

11095-25 -10 5 35 50 6520 80

-2.5

-2.0

-1.5

-1.0

-0.5

0.5

1.0

-3.0

-40 125

BIAS

= 70V

APD

= 500nA

APD

= 50µA

APD

= 5µA

APD

= 2mA

APD

= 500µA

GAIN ERROR

vs. BIAS VOLTAGE

MAX15031 toc21

BIAS VOLTAGE (V)

GAIN ERROR (%)

706020 30 40 50

-0.60

-0.40

-0.20

0.20

0.40

0.60

0.80

-0.80

10 80

APD

= 500nA

APD

= 50µA

APD

= 5µA

APD

= 2mA

APD

= 500µA

APD TRANSIENT RESPONSE

MAX15031 toc22

20µs/div

APD

AC-COUPLED

70V

2V/div

APD

2.5mA/div

MOUT

0.25mA/div

0mA

STARTUP DELAY

MAX15031 toc23

200µs/div

BIAS

20V/div

MOUT

20nA/div

0nA

APD

= 500nA

1 2 3 4 5 6 7 8 9 10 11 ... 16 17

MAX15031 1

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