Datasheet

LTC3860
6
3860fc
TYPICAL PERFORMANCE CHARACTERISTICS
Oscillator Frequency
vs Supply Voltage
SUPPLY VOLTAGE (V)
3.0
OSCILLATOR FREQUENCY (MHz)
1.175
1.200
1.225
4.5
5.5
3860 G11
1.150
1.125
1.100
3.5 4.0 5.0
1.250
1.275
1.300
Short-Circuit Protection Regulated V
FB
vs Supply Voltage Oscillator Frequency vs R
FREQ
10ms/DIV
3860 G07
V
IN
= 12V
V
OUT
= 1.2V
I
LOAD
= SHORTED
SW NODE
5V/DIV
V
OUT
1V/DIV
SUPPLY VOLTAGE (V)
3
0.596
REGULATED V
FB
(V)
0.598
0.600
0.602
0.604
45
3860 G08
6
R
FREQ
(kΩ)
0
OSCILLATOR FREQUENCY (MHz)
0.7
0.9
1.1
60
100
3860 G09
0.5
0.3
0.1
20 40 80
1.3
1.5
1.7
120
Oscillator Frequency
vs Temperature
TEMPERATURE (°C)
–50
OSCILLATOR FREQUENCY (kHz)
595
600
605
25 50 75 100 125
3860 G10
590
585
–25 0 150
580
575
610