TPS60310, TPS60311, TPS60312, TPS60313

SINGLE-CELL TO 3-V/3.3-V, 20-mA DUAL OUTPUT,

HIGH-EFFICIENCY CHARGE PUMP WITH SNOOZE MODE

SLVS362A – MAY 2001 – REVISED AUGUST 2001

8

POST OFFICE BOX 655303

TYPICAL CHARACTERISTICS

Table of Graphs

FIGURE

η

Efficiency

vs Output current (TPS60310 and TPS60311)

1, 2

IS

Supply current

vs Output current

3

IQ

Quiescent current

vs Input voltage

4

VO(OUT2)

Output voltage at OUT2

vs Output current (TPS60310 and TPS60311)

5, 6

VO(OUT1)

Output voltage at OUT1

vs Output current at 25

°C, VI = 0.9 V, 1.1 V, 1.25 V, 1.4 V, 1.6 V, 1.8 V

7

VO(OUT2)

Output voltage at OUT2

vs Input voltage (TPS60310 and TPS60311)

8, 9

VO(OUT1)

Output voltage at OUT1

vs Input voltage (TPS60310 and TPS60311)

10

VO(OUT2)

Output voltage at OUT2

vs Free-air temperature (TPS60310, TPS60312, TPS60311, and TPS60313)

11, 12

VO(OUT2)

Output voltage ripple at OUT2

13

Minimum input voltage

vs Output current for TPS60310, TPS60312, TPS60311, and TPS60313

14, 15

Start-up timing enable

16

Switching frequency

vs Input voltage

17

Load transient response

18

Line transient response

19

VO

Output voltage

vs Time

20

Output voltage ripple in Snooze mode

21

TYPICAL CHARACTERISTICS

Figure 1

IO – Output Current – mA

0

10

20

30

40

50

60

70

80

90

0.1

1

10

100

VI = 0.9 V

VI = 1.25 V

VI = 1.8 V

TPS60310, TPS60312

EFFICIENCY

vs

OUTPUT CURRENT

V(Snooze) = VI

Figure 2

IO – Output Current – mA

0

10

20

30

40

50

60

70

80

90

0.1

1

10

100

VI = 0.9 V

VI = 1.25 V

VI = 1.8 V

TPS60311, TPS60313

EFFICIENCY

vs

OUTPUT CURRENT

V(Snooze) = VI