Typical characteristics, Filter response, Stability boundary – Diodes ZNBG3114 User Manual

Page 7: Open loop phase v frequency, Lb/hb dropout voltage v load current, Lb/hb offset voltage v load current, Open loop gain v frequency

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Filter Response

100

1k

10k

100k

1M

0

0.2

0.4

0.6

0.8

1.0

Frequency (Hz)

1.2

1.4

Stability Boundary

10nF

100nF

1.0

LB/HB Load Capacitance

10

1uF

0.1

100

1nF

100pF

10pF

Stable region

Open Loop Phase v Frequency

100

1k

10k

100k

1M

0

30

60

90

120

Frequency (Hz)

150

180

10M

LB/HB Dropout Voltage v Load Current

0

10

20

30

40

1.3

1.4

1.5

1.6

1.7

Load Current (mA)

1.8

1.9

50

1.2

2.0

LB/HB Offset Voltage v Load Current

0

10

20

30

40

-8

-6

-4

-2

Load Current (mA)

0

2

50

4

Open Loop Gain v Frequency

100

1k

10k

100k

1M

0

10

20

30

40

Frequency (Hz)

50

60

70

10M

V

CC

= 5V

V

IN

=0.1Vpkpk

Test Circuit 1

V

CC

= 5V

V

CC

= 5V

V

CC

= 5V

Tamb = -40 C

T

amb

= 25°C

T

amb

= 70°C

V

CC

= 5V

T

amb

= -40°C

T

amb

= 25°C

T

amb

= 70°C

V

LOV

= 0V

Vcc = 5V

TYPICAL CHARACTERISTICS

Unstable Region

ZNBG3113
ZNBG3114

4-129

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