Datasheet

LTC3203/LTC3203-1
LTC3203B/LTC3203B-1
4
32031fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
V
OUT
vs Supply Voltage
(5V Output Setting)
Open-Loop Output Resistance
vs Temperature
Short-Circuit Current
vs Supply Voltage
Oscillator Frequency
vs Supply Voltage
T
A
= 25 ° C, V
IN
= 3.6V, C1 = C2 = 2.2 µ F unless otherwise specified
V
OUT
vs Load Current
(4.5V Output Setting)
V
OUT
vs Supply Voltage
(4.5V Output Setting)
V
OUT
vs Load Current
(5V Output Setting)
I
LOAD
(mA)
0
V
OUT
(V)
4.65
4.60
4.55
4.50
4.45
4.40
4.35
4.30
4.25
400
3203 G01
100 200 300 50035050 150 250 450
1.5x MODE
2x MODE
V
IN
= 3.6V
V
IN
= 3.3V
V
IN
= 3V
V
IN
= 2.7V
I
LOAD
(mA)
0
V
OUT
(V)
4.7
5.1
5.5
400
3203 G02
4.3
3.9
4.5
4.9
5.3
4.1
3.7
3.5
10050
200150
300 350 450
250
500
V
IN
= 3.3V
V
IN
= 3V
V
IN
= 3.6V
V
IN
= 2.7V
1.5x MODE
2x MODE
V
IN
(V)
2.5
3.0
V
OUT
(V)
3.2
3.6
3.8
4.0
4.5
4.8
3203 G03
3.4
3.5
3
5
4 5.5
4.2
4.4
4.6
I
LOAD
= 0mA
I
LOAD
= 500mA
I
LOAD
= 250mA
1.5x MODE
2x MODE
I
LOAD
= 0mA
I
LOAD
= 500mA
V
IN
(V)
2.5
5.4
5.2
5.0
4.8
4.6
4.4
4.2
4.0
45
3203 G04
3 3.5
4.5 5.5
V
OUT
(V)
I
LOAD
= 250mA
1.5x MODE
2x MODE
TEMPERATURE (°C)
–40
R
OL
(Ω)
1.5
2.0
2.5
60
3203 G06
1.0
0.5
0
–15
10
35
85
2x MODE
V
IN
= 2.7V
V
OUT
= 4.5V
1.5x MODE
V
IN
= 3.6V
V
OUT
= 4.5V
V
IN
(V)
2.5
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
45
3203 G07
3 3.5
4.5 5.5
FREQUENCY (MHz)
1.5x MODE
2x MODE
V
IN
(V)
2.5
1400
1200
1000
800
600
400
200
0
45
3203 G08
3 3.5
4.5 5.5
I
SC
(mA)
1.5x MODE
2x MODE