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| LTC1517-3.3_15 Datasheet, PDF (3/8 Pages) Linear Technology – Micropower, Regulated 3.3V Charge Pump in a 5-Pin SOT-23 Package | |||
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TYPICAL PERFORMANCE CHARACTERISTICS
LTC1517-3.3
Output Voltage vs Input Voltage
3.40
IOUT = 8mA
COUT = 6.8µF
3.35
TA = 70°C
3.30
TA = 0°C
TA = 25°C
3.25
3.20
2.0
2.5 3.0 3.5 4.0 4.5
INPUT VOLTAGE (V)
1517 G01
No Load Input Current vs
Input Voltage
10
IOUT = 0mA
8
TA = 70°C
6
TA = 0°C
TA = 25°C
4
2
2.0 2.5 3.0 3.5 4.0 4.5
INPUT VOLTAGE (V)
1517 G04
Typical Output Current
vs Temperature
50
VOUT = 3.3V
C1 = 0.1µF
40
VIN = 2.7V
30
VIN = 2.5V
20
VIN = 2V
10
Efficiency vs Input Voltage
100
IOUT = 8mA
TA = 25°C
80
Output Ripple vs Input Voltage
200
IOUT = 8mA
C1 = 0.1µF
CIN = 3.3µF
150 TA = 25°C
COUT = 3.3µF
60
100
COUT = 6.8µF
40
50
COUT = 10µF
20
2.0
2.5 3.0 3.5 4.0 4.5
INPUT VOLTAGE (V)
1517 G02
0
2.0
2.5
3.0
3.5
4.0
4.5
INPUT VOLTAGE (V)
1517 G03
Typical Efficiency vs
Output Current
100
TA = 25°C
C1 = 0.1µF
80 COUT = 6.8µF
VIN = 2V
VIN = 2.5V
60
40
Load Transient Response
IOUT
0mA to 10mA
5mA/DIV
VOUT
AC COUPLED
50mV/DIV
20
0
0.001
0.01 0.1
1
10 100
OUTPUT CURRENT (mA)
1517 TA02
VIN = 2.5V
COUT = 6.8µF
500µs/ DIV
1517 G06
VOUT Short-Circuit Current
vs Input Voltage
200
TA = 25°C
C1 = 0.1µF
160
120
80
40
0
â50 â25 0
25 50
TEMPERATURE (°C)
75 100
1517 G09
0
2.0 2.5 3.0 3.5 4.0 4.5
INPUT VOLTAGE (V)
1517 G10
3
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