Datasheet

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 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
η Efficiency vs Output current (TPS60310 and TPS60311) 1, 2
I
S
Supply current vs Output current 3
I
Q
Quiescent current vs Input voltage 4
V
O(OUT2)
Output voltage at OUT2 vs Output current (TPS60310 and TPS60311) 5, 6
V
O(OUT1)
Output voltage at OUT1 vs Output current at 25°C, V
I
= 0.9 V, 1.1 V, 1.25 V, 1.4 V, 1.6 V, 1.8 V 7
V
O(OUT2)
Output voltage at OUT2 vs Input voltage (TPS60310 and TPS60311) 8, 9
V
O(OUT1)
Output voltage at OUT1 vs Input voltage (TPS60310 and TPS60311) 10
V
O(OUT2)
Output voltage at OUT2 vs Free-air temperature (TPS60310, TPS60312, TPS60311, and TPS60313) 11, 12
V
O(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
V
O
Output voltage vs Time 20
Output voltage ripple in Snooze mode 21
TYPICAL CHARACTERISTICS
Figure 1
I
O
– Output Current – mA
0
10
20
30
40
50
60
70
80
90
0.1 1 10 100
V
I
= 0.9 V
V
I
= 1.25 V
V
I
= 1.8 V
Efficiency – %
TPS60310, TPS60312
EFFICIENCY
vs
OUTPUT CURRENT
V
(Snooze)
= V
I
Figure 2
I
O
– Output Current – mA
0
10
20
30
40
50
60
70
80
90
0.1 1 10 100
V
I
= 0.9 V
V
I
= 1.25 V
V
I
= 1.8 V
Efficiency – %
TPS60311, TPS60313
EFFICIENCY
vs
OUTPUT CURRENT
V
(Snooze)
= V
I