TPS767D301, TPS767D318, TPS767D325

DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS

SLVS209B – JULY 1999 – REVISED APRIL 2000

12

POST OFFICE BOX 655303

TYPICAL CHARACTERISTICS

Figure 18

t – Time –

µs

OUTPUT VOLTAGE

vs

TIME (AT STARTUP)

3

2

60

40

20

80 100

140

120

160 180 200

0

0

1

4

0

Figure 19

VI – Input Voltage – V

600

300

0

34

500

400

200

3.5

2.5

100

4.5

5

DROPOUT VOLTAGE

vs

INPUT VOLTAGE

900

800

700

TA = 125°C

TA = –40°C

TA = 25°C

IO = 1A

IN

EN

OUT

+

GND

CO

ESR

RL

VI

To Load

Figure 20. Test Circuit for Typical Regions of Stability (Figures 21 through 24) (fixed output options)