LTC3860_15 Datasheet, PDF (6/36 Pages) Linear Technology – Dual, Multiphase Step-Down Voltage Mode DC/DC Controller with Current Sharing

LTC3860
TYPICAL PERFORMANCE CHARACTERISTICS
Short-Circuit Protection
SW NODE
5V/DIV
V_OUT
1V/DIV
V_IN = 12V
10ms/DIV
V_OUT = 1.2V
I_LOAD = SHORTED
3860 G07
Regulated V_FB vs Supply Voltage
0.604
0.602
0.600
0.598
0.596
3
4
5
SUPPLY VOLTAGE (V)
6
3860 G08
Oscillator Frequency vs R_FREQ
1.7
1.5
1.3
1.1
0.9
0.7
0.5
0.3
0.1
0
20 40 60 80 100 120
R_FREQ (kΩ)
3860 G09
Oscillator Frequency
vs Temperature
610
605
600
595
590
585
580
575
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3860 G10
Oscillator Frequency
vs Supply Voltage
1.300
1.275
1.250
1.225
1.200
1.175
1.150
1.125
1.100
3.0
3.5
4.0
4.5
5.0
SUPPLY VOLTAGE (V)
5.5
3860 G11
3860fc
6