6 ______________________________________________________________________________________

76V, 300mW Boost Converter and Current

Monitor for APD Bias Applications

Typical Operating Characteristics (continued)

BIAS CURRENT vs. BIAS VOLTAGE

BIAS VOLTAGE (V)

70

60

50

40

30

20

10

0.1

1

10

0.01

0

80

APD CURRENT (mA)

1

0.1

0.01

0.001

0.1

1

10

0.01

0.0001

10

BIAS CURRENT vs. APD CURRENT

BIAS CURRENT vs. TEMPERATURE

TEMPERATURE (°C)

-15

10

35

60

1

10

0.1

-40

85

GAIN ERROR vs. APD CURRENT

1000

100

10

1

-4

-3

-2

-1

0

1

2

3

4

5

-5

0.1

10,000

GAIN ERROR vs. TEMPERATURE

-1.6

-1.2

-0.8

-0.4

0

0.4

0.8

1.2

1.6

2.0

-2.0

TEMPERATURE (°C)

-15

10

35

60

-40

85

GAIN ERROR vs. APD CURRENT

1000

100

10

1

-4

-3

-2

-1

0

1

2

3

4

5

-5

0.1

10,000

GAIN ERROR vs. TEMPERATURE

TEMPERATURE (°C)

60

35

10

-15

-1.6

-1.2

-0.8

-0.4

0

0.4

0.8

1.2

1.6

2.0

-2.0

-40

85

GAIN ERROR vs. BIAS VOLTAGE

BIAS VOLTAGE (V)

70

60

40

50

30

20

-1.6

-1.2

-0.8

-0.4

0

0.4

0.8

1.2

1.6

2.0

-2.0

10

80