Datasheet

LT1054
SWITCHED-CAPACITOR VOLTAGE CONVERTERS
WITH REGULATORS
SLVS033F − FEBRUARY 1990 − REVISED NOVEMBER 2004
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
†
Figure 9
REGULATED OUTPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
−12
−12.4
−4.9
−12.6
−50 −25 0 25 50
− Regulated Output Voltage − V
−5.1
−11.8
−5
−4.7
75 100
−4.8
−11.6
−12.2
V
O
T
A
− Free-Air Temperature − °C
Figure 10
REFERENCE VOLTAGE CHANGE
vs
FREE-AIR TEMPERATURE
−40
−80
60
−100
−50 −25 0 25 50
− Reference Voltage Change − mV
20
−20
40
100
75 100 125
80
0
−60
T
A
− Free-Air Temperature − °C
ΔV
ref
V
REF
at 0 = 2.500 V
1
0
0 102030405060
Voltage Loss − V
Output Current − mA
VOLTAGE LOSS
vs
OUTPUT CURRENT
2
70 80 90 100
T
J
= 125°C
T
J
= 25°C
3.5 V ≤ V
CC
≤ 15 V
C
i
= C
o
= 100 μF
T
J
= −55°C
0.8
0.6
0.4
0.2
1.2
1.4
1.6
1.8
Figure 11
†
Data at high and low temperatures are applicable only within the recommended operating free-air temperature range.