Dual, Low-Dropout, 100mA Linear Regulators

_______________________________________________________________________________________

5

10

0.01

0.1

10

100

1

1000

OUTPUT SPECTRAL NOISE DENSITY

vs. FREQUENCY

0.1

FREQUENCY (kHz)

1

1000

0.01

050 60 70 80 90

10 20 30 40

100

vs. LOAD CURRENT

0.1

LOAD CURRENT (mA)

1

10

100

INTERNAL FEEDBACK

STABLE REGION

EXTERNAL FEEDBACK

LINE-TRANSIENT RESPONSE

4.6V

3.6V

2.84V

2.82V

2.83V

50

µs/div

OUTPUT NOISE DC TO 1MHz

1ms/div

LOAD-TRANSIENT RESPONSE

10

µs/div

50mA

0mA

2.85V

2.84V

2.83V

____________________________Typical Operating Characteristics (continued)