
LTC3201
TYPICAL PERFOR A CE CHARACTERISTICS
Feedback Voltage vs Supply
Oscillator Frequency vs Supply
Voltage
Output Voltage vs Load Current
Voltage
0.640
0.635
0.630
0.625
C FLY = C FILTER = O.22 μ F
C IN = C OUT = 1 μ F
T A = 25 ° C
T A = 85 ° C
4.15
4.10
4.05
4.00
C FLY = C FILTER = O.22 μ F
C IN = C OUT = 1 μ F
T A = 25 ° C
V IN = 4.5V
2.2
2.0
1.8
C FLY = C FILTER = O.22 μ F
C IN = C OUT = 1 μ F
V OUT = 4V
T A = 25 ° C
T A = –40 ° C
T A = 85 ° C
0.620
0.615
T A = –40 ° C
3.95
3.90
V IN = 3.2V
1.6
1.4
0.610
3.85
0.605
2.7
3.0
3.3
3.6
3.9
4.2
4.5
3.80
0
V IN = 2.7V
20 40 60 80 100 120 140 160 180 200
1.2
2.7
3.0
3.3
3.6
3.9
4.2
4.5
SUPPLY VOLTAGE (V)
3201 G01
Short-Circuit Current vs Supply
Voltage
LOAD CURRENT (mA)
Feedback Voltage
vs Supply Voltage
I OUT = 100mA, V OUT = 4V
3201 G02
SUPPLY VOLTAGE (V)
Feedback Voltage vs I OUT
3201 G03
C FLY = C FILTER = O.22 μ F
250
200
C FLY = C FILTER = O.22 μ F
C IN = C OUT = 1 μ F
T A = 25 ° C
0.620
C IN = C OUT = 1 μ F
0.615 T A = 25 ° C
0.64
0.62
0.60
C FLY = C FILTER = 0.22 μ F
C IN = C OUT = 1 μ F
T A = 25 ° C
V IN = 3.6V
0.610
150
0.605
0.58
100
0.600
0.56
0.54
50
0.595
0.52
0
2.7
3.0
3.3
3.6
3.9
4.2
4.5
0.590
2.7
3.0
3.3
3.6
3.9
4.2
4.5
0.50
0 20 40 60 80 100 120 140 160 180 200 220
SUPPLY VOLTAGE (V)
3201 G04
SUPPLY VOLTAGE (V)
3201 G05
I OUT (mA)
3201 G06
3201f
3