Wide-Input 0.6V Shunt Regulators for

Isolated DC-to-DC Converters

_______________________________________________________________________________________

3

-25

-20

-15

-10

-5

0

-30

FB BIAS CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

-15

10

-40

85

0

5

10

15

20

25

30

35

40

-5

OUT-LEAKAGE CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

-15

10

-40

85

FB = GND

70

70

45

0

-45

-90

-135

-180

-30

0.1

1

10

100

1000

GAIN AND PHASE vs. FREQUENCY

-10

MAX8515 toc03

FREQUENCY (kHz)

10

30

50

40

20

0

-20

60

FIGURE 2

GAIN AND PHASE vs. FREQUENCY

MAX8515 toc04

FREQUENCY (kHz)

100

10

1

-20

-10

0

10

20

30

40

-30

0.1

1000

FIGURE 2

45

0

-45

-90

-135

-180

90

OUTPUT VOLTAGE SLEW RATE

MAX8515 toc05

2

µs/div

0.55V

0.66V

C2 = OPEN

SUPPLY CURRENT vs. LOAD CURRENT

LOAD CURRENT (mA)

15

10

5

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0

020

POWER-SUPPLY REJECTION RATIO

vs. FREQUENCY

FREQUENCY (Hz)

1k

100

10

1

-70

-60

-50

-40

-30

-20

-10

0

10

-80

0.1

10k

°C

°C

°C

°C

Typical Operating Characteristics