LT1054 Datasheet, PDF (7/26 Pages) Linear Technology – Switched-Capacitor Voltage Converter with Regulator

LT1054
SWITCHEDĆCAPACITOR VOLTAGE CONVERTERS
WITH REGULATORS
SLVS033F − FEBRUARY 1990 − REVISED NOVEMBER 2004
TYPICAL CHARACTERISTICS^†
REGULATED OUTPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
−4.7
−4.8
−4.9
−5
−5.1
−11.6
−11.8
−12
−12.2
−12.4
−12.6
−50 −25
0
25
50
75 100
TA − Free-Air Temperature − °C
Figure 9
REFERENCE VOLTAGE CHANGE
vs
FREE-AIR TEMPERATURE
100
80
60
40
20
0
−20
VREF at 0 = 2.500 V
−40
−60
−80
−100
−50 −25 0 25 50 75 100 125
TA − Free-Air Temperature − °C
Figure 10
VOLTAGE LOSS
vs
OUTPUT CURRENT
2
3.5 V ≤ VCC ≤ 15 V
1.8 Ci = Co = 100 µF
1.6
1.4
TJ = 125°C
1.2
1
TJ = 25°C
0.8
0.6
0.4
0.2
TJ = −55°C
0
0 10 20 30 40 50 60 70 80 90 100
Output Current − mA
Figure 11
† _{Data at high and low temperatures are applicable only within the recommended operating free-air temperature range.}
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