LTC3812-5_15 Datasheet, PDF (7/34 Pages) Linear Technology – 60V Current Mode Synchronous Switching Regulator Controller

TYPICAL PERFORMANCE CHARACTERISTICS
LTC3812-5
Driver Pull-Down R_DS(ON)
vs Temperature
1.75
V_BOOST = V_INTVCC = 5V
1.50
1.25
1.00
0.75
0.50
Driver Peak Source Current
vs Supply Voltage
3.0
2.5
2.0
1.5
1.0
0.5
Driver Pull-Down R_DS(ON)
vs Supply Voltage
1.1
1.0
0.9
0.8
0.7
0.25
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
38125 G19
0
4 5 6 7 8 9 10 11 12 13 14
DRV_CC/BOOST VOLTAGE (V)
38125 G20
0.6
4 5 6 7 8 9 10 11 12 13 14
DRV_CC/BOOST VOLTAGE (V)
38125 G21
EXTV_CC Switch Resistance
vs Temperature
7
6
5
4
3
2
1
INTV_CC Current vs Temperature
5
INTV_CC = 5V
4
3
2
1
INTV_CC Shutdown Current
vs Temperature
400
INTV_CC = 5V
300
200
100
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
38125 G22
0
–50 –25
INTV_CC Current vs INTV_CC Voltage
3.5
0 25 50 75
TEMPERATURE (°C)
100 125
38125 G23
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
38125 G24
INTV_CC Shutdown Current
vs INTV_CC Voltage
350
3.0
300
2.5
250
2.0
200
1.5
150
1.0
100
0.5
50
0
0 2 4 6 8 10 12 14
INTV_CC VOLTAGE (V)
38125 G25
0
0 2 4 6 8 10 12 14
INTV_CC VOLTAGE (V)
38125 G26
38125fc
7