LTC3814-5_15 Datasheet, PDF (6/30 Pages) Linear Technology – 60V Current Mode Synchronous Step-Up Controller

LTC3814-5
TYPICAL PERFORMANCE CHARACTERISTICS
Reference Voltage
vs Temperature
0.803
0.802
Driver Peak Source Current
vs Temperature
1.5
V_BOOST = V_INTVCC = 5V
Driver Pulldown R_DS(ON)
vs Temperature
1.75
V_BOOST = V_INTVCC = 5V
1.50
0.801
1.25
0.800
1.0
1.00
0.799
0.75
0.798
0.50
0.797
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
38145 G14
0.5
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
38145 G15
0.25
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
38145 G16
Driver Peak Source Current
vs Supply Voltage
3.0
Driver Pulldown R_DS(ON)
vs Supply Voltage
1.1
EXTV_CC Switch Resistance
vs Temperature
7
2.5
1.0
6
5
2.0
0.9
4
1.5
0.8
3
1.0
2
0.5
0.7
1
0
4 5 6 7 8 9 10 11 12 13 14
DRV_CC/BOOST VOLTAGE (V)
38145 G17
0.6
4 5 6 7 8 9 10 11 12 13 14
DRV_CC/BOOST VOLTAGE (V)
38145 G21
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
38145 G19
INTV_CC Current vs Temperature
5
INTV_CC = 5V
INTV_CC Shutdown Current
vs Temperature
400
INTV_CC = 5V
4
300
3
200
2
100
1
6
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
38145 G20
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
38145 G21
38145fc