LT1054_15 Datasheet, PDF (7/33 Pages) Linear Technology – Switched-Capacitor Voltage Converter with Regulator

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35
33
31
29
V_CC = 15 V
27
25
V_CC = 3.5 V
23
21
19
17
15
−50 −25
0
25
50
75
100
T_A − Free-Air Temperature − °C
Figure 3. Oscillator Frequency vs Free-air Temperature
140
120
100
80
60
40
20
0
0
20
40
60
80
100
I_O − Output Current − mA
Figure 5. Average Supply Current vs Output Current
2.5
Inverter Configuration
2.25
2
C_IN = 10-μF Tantalum
C_OUT = 100-μF Tantalum
1.75
1.5
I_O = 100 mA
1.25
1
I_O = 50 mA
0.75
0.5
0.25
0
1
I_O = 10 mA
10
100
Oscillator Frequency − kHz
Figure 7. Output Voltage Loss vs Oscillator Frequency
LT1054
SLVS033G – FEBRUARY 1990 – REVISED JULY 2015
120
100
V_(FB/SD) = 0
80
60
40
20
0
0
5
10
15
V_CC − Input Voltage − V
Figure 4. Supply Current in Shutdown vs Input Voltage
1.4
1.2
I_O = 100 mA
1.0
0.8
I_O = 50 mA
0.6
0.4
I_O = 10 mA
Inverter Configuration
0.2 _{COUT = 100-μF Tantalum}
f_OSC = 25 kHz
0
0 10 20 30 40 50 60 70 80
Input Capacitance − μF
90 100
Figure 6. Output Voltage Loss vs Input Capacitance
2.5
2.25
2
Inverter Configuration
C_IN = 100-μF Tantalum
C_OUT = 100-μF Tantalum
1.75
1.5
1.25
1
0.75
0.5
0.25
0
1
I_O = 100 mA
I_O = 50 mA
I_O = 10 mA
10
100
Oscillator Frequency − kHz
Figure 8. Output Voltage Loss vs Oscillator Frequency
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