TPS77501-EP, TPS77515-EP, TPS77516-EP, TPS77518-EP

TPS77525-EP, TPS77533-EP WITH RESET OUTPUT

FAST-TRANSIENT-RESPONSE 500-mA LOW-DROPOUT VOLTAGE REGULATORS

SGLS010B − MARCH 2003 − REVISED JUNE 2010

13

POST OFFICE BOX 655303

TYPICAL CHARACTERISTICS

t − Time −

μs

TPS77x33

LOAD TRANSIENT RESPONSE

500

0

60

40

20

80 100

140

120

160 180 200

0

0

50

−50

ESR = 1/2x100 m

Ω

Figure 18

Figure 19

t − Time − ms

TPS77x33

OUTPUT VOLTAGE

vs

TIME (AT STARTUP)

3

2

0.3

0.2

0.1

0.4 0.5

0.7

0.6

0.8

0.9

1

0

0

1

4

IN

EN

OUT

+

GND

ESR

R

To Load

Figure 20. Test Circuit for Typical Regions of Stability (Figures 21 through 24) (Fixed Output Options)