Datasheet

LTC3803-5
5
38035fd
TYPICAL PERFORMANCE CHARACTERISTICS
TEMPERATURE (°C)
–60
5.0
VOLTS
5.5
4.5
3.5
6.0
0
30
60
38035 G07
3.0
4.0
–30
90
150120
V
TURNON
V
TURNOFF
TEMPERATURE (°C)
–60
V
CC
(V)
7.0
7.5
8.0
10.5
9.0
0
30
38035 G08
9.5
10.0
8.5
–30
60
90
150120
I
CC
= 25mA
I
CC
= 1mA
TEMPERATURE (°C)
–60
SUPPLY CURRENT (μA)
200
300
240
0
30
60
38035 G09
260
280
220
–30
90
120 150
V
CC
= 5V
V
ITH/RUN
= 1.3V
TEMPERATURE (°C)
–60
0
START-UP SUPPLY CURRENT (μA)
10
20
30
40
0 30 120 150
38035 G10
50
60
70
–30
60
90
V
CC
= V
TURNON
– 0.1V
TEMPERATURE (°C)
–60
SHUTDOWN THRESHOLD (mV)
300
350
400
60 90
250
200
0–30 30 150120
150
100
50
0
450
500
38035 G11
TEMPERATURE (°C)
–60
0
I
TH
/RUN PIN CURRENT SOURCE (nA)
100
200
300
400
0 30 120 150
38035 G12
500
600
700
800
900
1000
–30
60
90
V
CC
= V
TURNON
+ 0.1V
V
ITH/RUN
= 0V
TEMPERATURE (°C)
–60
SENSE PIN VOLTAGE (mV)
100
110
150120
38035 G13
90
80
0
30
–30
60
90
120
95
105
85
115
V
CC
= 5V
TEMPERATURE (°C)
–60
SOFT-START TIME (ms)
0.6
1.0
150
38035 G14
0.2
0
0
30
–30
60
12090
1.4
0.4
0.8
1.2
V
CC
= 5V
I
CC
Supply Current
vs Temperature
V
CC
Shunt Regulator Voltage
vs Temperature
V
CC
Undervoltage Lockout
Thresholds vs Temperature
I
TH
/RUN Shutdown Threshold
vs Temperature
Start-Up I
CC
Supply Current
vs Temperature
I
TH
/RUN Start-Up Current Source
vs Temperature
Soft-Start Time vs Temperature
Peak Current Sense Voltage
vs Temperature