Datasheet

LTC3813
6
3813fb
Off-Time vs Temperature
Maximum Current Sense
Threshold vs V
RNG
Voltage
Maximum Current Sense
Threshold vs Temperature
Feedback Reference Voltage
vs Temperature
Driver Peak Source Current
vs Temperature
Driver Pulldown R
DS(ON)
vs Temperature
Driver Peak Source Current
vs Supply Voltage
Driver Pulldown R
DS(ON)
vs Supply Voltage
TYPICAL PERFORMANCE CHARACTERISTICS
TEMPERATURE (°C)
–50
OFF-TIME (ns)
640
660
680
25 75
3813 G10
620
600
–25 0
50 100 125
580
560
I
OFF
= 300μA
V
RNG
VOLTAGE (V)
0.5
MAXIMUM CURRENT SENSE THRESHOLD (mV)
200
3813 G11
100
0
1 1.5
300
400
2
TEMPERATURE (°C)
–50 –25
180
MAXIMUM CURRENT SENSE THRESHOLD (mV)
200
230
0
50
75
3813 G12
190
220
210
25
100
125
V
RNG
= INTV
CC
TEMPERATURE (°C)
–50 –25
0.797
REFERENCE VOLTAGE (V)
0.799
0.803
0
50
75
3813 G13
0.798
0.802
0.801
0.800
25
100
125
TEMPERATURE (°C)
–50
1
PEAK SOURCE CURRENT (A)
1.5
2.0
2.5
–25 0 25 50
3813 G14
75 100 125
V
BOOST
= V
INTVCC
= 10V
TEMPERATURE (°C)
–50
R
DS(ON)
(Ω)
1.25
1.50
0
25 75
3813 G15
1.00
0.75
–25 0
50 100 125
0.50
0.25
V
BOOST
= V
INTVCC
= 10V
DRV
CC
/BOOST VOLTAGE (V)
56 8 10 12 14
PEAK SOURCE CURRENT (A)
3.0
2.5
2.0
1.5
1.0
0.5
0
7 9 11 13
3813 G16
15
DRV
CC
/BOOST VOLTAGE (V)
6
R
DS(ON)
(Ω)
0.6
0.8
0.9
1.0
1.1
8
10
11 15
3813 G17
0.7
79
12
13
14