LTC3813 Datasheet, PDF (7/32 Pages) Linear Technology – 100V Current Mode Synchronous Step-Up Controller

TYPICAL PERFORMANCE CHARACTERISTICS
LTC3813
EXTV_CC LDO Resistance at
Dropout vs Temperature
14
12
10
8
6
4
2
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3813 G18
INTV_CC Current vs Temperature
4
INTV_CC Shutdown Current
vs Temperature
400
3
300
2
200
1
100
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3813 G19
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3813 G20
INTV_CC Current vs INTV_CC Voltage
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0 2 4 6 8 10 12 14
INTV_CC VOLTAGE (V)
3813 G21
INTV_CC Shutdown Current
vs INTV_CC Voltage
300
250
200
150
100
50
0
0 2 4 6 8 10 12 14
INTV_CC VOLTAGE (V)
3813 G22
SS Pull-Up Current
vs Temperature
3
2
1
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3813 G23
I_TH Voltage
vs Load Current
3
FRONT PAGE CIRCUIT
V_IN = 24V
V_RNG = 1V
2
1
0
0
1
2
3
4
LOAD CURRENT (A)
3813 G24
Shutdown Threshold
vs Temperature
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3813 G25
3813fb
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