LT1054L Datasheet, PDF (4/16 Pages) Linear Technology – Switched-Capacitor Voltage Converter with Regulator

LT1054/LT1054L
TYPICAL PERFOR A CE CHARACTERISTICS
Shutdown Threshold
0.6
0.5
V_PIN1
0.4
0.3
0.2
0.1
0
– 50 – 25
0 25 50 75 100 125
TEMPERATURE (˚C)
LT1054 • TPC01
Supply Current
5
I_L = 0
4
3
2
1
0
0
5
10
15
INPUT VOLTAGE (V)
LT1054 • TPC02
Oscillator Frequency
35
V_IN = 15V
25
V_IN = 3.5V
15
–70 –50 –25 0 25 50 75 100 125
TEMPERATURE (°C)
LT1054 • TPC03
Supply Current in Shutdown
120
100
V_PIN1 = 0V
80
60
40
20
0
0
5
10
15
INPUT VOLTAGE (V)
LT1054 • TPC04
Average Input Current
140
120
100
80
60
40
20
0
0
20
40
60
80 100
OUTPUT CURRENT (mA)
LT1050 • TPC05
Output Voltage Loss
1.4
1.2
I_OUT = 100mA
1.0
0.8
I_OUT = 50mA
0.6
I_OUT = 10mA
0.4
INVERTER CONFIGURATION
0.2 _{COUT = 100µF TANTALUM}
f_OSC = 25kHz
0
0 10 20 30 40 50 60 70 80
INPUT CAPACITANCE (µF)
90 100
LT1054 • TPC06
Output Voltage Loss
INVERTER CONFIGURATION
C_IN = 10µF TANTALUM
2 ^{COUT = 100µF TANTALUM}
Output Voltage Loss
INVERTER CONFIGURATION
C_IN = 100µF TANTALUM
2 ^{COUT = 100µF TANTALUM}
I_OUT = 100mA
1
I_OUT = 50mA
I_OUT = 10mA
0
1
10
100
OSCILLATOR FREQUENCY (kHz)
LT1054 • TPC07
I_OUT = 100mA
1
I_OUT = 50mA
I_OUT = 10mA
0
1
10
100
OSCILLATOR FREQUENCY (kHz)
LT1054 • TPC08
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