TPS2102, TPS2103

SLVS234A – SEPTEMBER 1999 – REVISED APRIL 2000

11

POST OFFICE BOX 655303

TYPICAL CHARACTERISTICS

Figure 14

100

10

0.1

0.01

0.1

1

10

1000

IN1 SWITCH FALL TIME

vs

OUTPUT CURRENT

10000

100

1000

CL = 100 µF

CL = 47 µF

CL = 10 µF

CL = 1 µF

CL = 0.1 µF

IO – Output Current – mA

VI(IN1) = 3.3 V

VI(IN2) = 0 V

TJ = 25°C

1

Figure 15

10

1

0.001

0.01

0.1

100

IN2 SWITCH FALL TIME

vs

OUTPUT CURRENT

1000

1

100

CL = 100 µF

CL = 10 µF

CL = 1 µF

CL = 0.1 µF

IO – Output Current – mA

VI(IN1) = 0 V

VI(IN2) = 3.3 V

TJ = 25°C

CL = 47 µF

10

0.1

0.01

Figure 16

0.4

0.2

0

0.01

0.1

0.6

0.8

1

1

100

OUTPUT VOLTAGE DROOP

vs

OUTPUT CURRENT WHEN OUTPUT

CL = 100 µF

CL = 10 µF

CL = 1 µF

CL = 0.1 µF

IO – Output Current – mA

VI(IN1) = 3.3 V

VI(IN2) = 3.3 V

TJ = 25°C

CL = 47 µF

10

CL = 220 µF

Figure 17

1

0

0

100

200

300

1.5

2

INRUSH CURRENT

vs

OUTPUT CAPACITANCE

2.5

400

500

0.5

Co – Output Capacitance – µF

VI(IN1) = 3.3 V

VI(IN2) = 0 V

RL = 6.6 Ω

TJ = 25°C

† If switching from IN1 to IN2, the voltage droop is much smaller. Therefore, the load capacitance should be chosen according to the curves in

Figure 16.