TPS60204, TPS60205

REGULATED 3.3-V, 100-mA LOW-RIPPLE CHARGE PUMP

LOW POWER DC/DC CONVERTERS

SLVS354A – FEBRUARY 2001 – REVISED SEPTEMBER 2001

9

POST OFFICE BOX 655303

TYPICAL CHARACTERISTICS

Table of Graphs

FIGURES

η

Efficiency

vs Output current (TPS60204, TPS60205)

3

η

Efficiency

vs Input voltage

4

IQ

Quiescent supply current

vs Input voltage

5

V

Output voltage

vs Output current

6

VO

Output voltage

vs Input voltage

7

VO

Output voltage ripple

vs Time

8, 9, 10

Start-up timing

11

Load transient response

12, 13

IO

Peak output current

vs Input voltage

14

NOTE: All typical characteristics were measured using the typical application circuit of Figure 14 (unless otherwise noted).

Figure 3

0.1

IO – Output Current – mA

TPS60204

EFFICIENCY

vs

OUTPUT CURRENT

1

10

100

1000

VI = 2.4 V

VI = 1.8 V

VI = 2.7 V

100

90

80

70

60

50

40

30

20

10

0

Figure 4

EFFICIENCY

vs

INPUT VOLTAGE

0

10

20

30

40

50

60

70

80

90

100

1.6

2.0

2.4

2.8

3.2

3.6

VI – Input Voltage – V

IO = 50 mA