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
12
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 15
0.70
0.75
0.80
0.85
0.90
0.95
1.00
1.05
1.10
1.15
1.20
0.10 1
10 100
– Minimum Input Voltage – V
TPS60311, TPS60313
MINIMUM INPUT VOLTAGE
vs
OUTPUT CURRENT
V
I(min)
I
O
– Output Current – mA
T
A
= 85°C
T
A
= –40°C
T
A
= 25°C
Figure 16
START-UP TIMING ENABLE
V
O(OUT2)
V
O(OUT1)
I
IN
V
(EN)
2 V/DIV
2 V/DIV
100 mA/DIV
1 V/DIV
50 us/DIV
Figure 17
650
660
670
680
690
700
710
720
730
0.8 1.3 1.8
T
A
= –40°C
T
A
= 85°C
T
A
= 25°C
Switching Frequency – kHz
SWITCHING FREQUENCY
vs
INPUT VOLTAGE
V
I
– Input Voltage – V
Figure 18
LOAD TRANSIENT RESPONSE
V
O(OUT2)
I
O(OUT2)
V
I
= 1.25 V,
Load Step 2 mA to
18 mA to 2 mA,
T
A
= 25°C
20 mV/DIV
10 mA/DIV
20 us/DIV