LTC3826
TYPICAL PERFORMANCE CHARACTERISTICS
TRACK/SS Pull-Up Current
vs Temperature
Shutdown (RUN) Threshold
vs Temperature
Regulated Feedback Voltage
vs Temperature
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
0.55
0.50
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
808
806
804
802
800
798
796
794
792
15 30
TEMPERATURE (°C)
–45 –30 –15
0
45 60 75 90
–45 –30 –15
0
15 30 45 60 75 90
–45 –30 –15
0
15 30 45 60 75 90
TEMPERATURE (°C)
TEMPERATURE (°C)
3826 G19
3826 G20
3826 G21
Sense Pins Total Input Bias
Current vs Temperature
Shutdown Current
vs Input Voltage
Oscillator Frequency
vs Temperature
60
30
800
700
600
500
6
5
4
3
2
1
0
0
–30
V
= 10V
OUT
V
V
= INTV
CC
PLLLPF
PLLLPF
–60
V
= 3.3V
OUT
–90
= FLOAT
= GND
–120
–150
–180
–210
–240
–270
–300
400
300
200
100
V
PLLLPF
V
= 0V
OUT
0
–45 –30 –15
0
15 30 45 60 75 90
5
15
20
25
30
35
10
–45
–5
15
35
55
–25
75
95
INPUT VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
3826 G22
3826 G23
3827 G24
Undervoltage Lockout Threshold
vs Temperature
Oscillator Frequency
vs Input Voltage
Shutdown Current
vs Temperature
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
392
390
6
5
RISING
388
4
386
384
3
2
FALLING
382
380
1
0
–45
–15
0
15 30 45 60 75 90
5
10
15
20
25
30
35
–45 –30 –15
0
15 30 45 60 75 90
–30
TEMPERATURE (°C)
INPUT VOLTAGE (V)
TEMPERATURE (°C)
3826 G25
3826 G26
3826 G27
3826fc
7