Datasheet

6
LTC3834-1
38341f
TYPICAL PERFOR A CE CHARACTERISTICS
UW
T
A
= 25ºC, unless otherwise noted.
TRACK/SS Pull-Up Current vs
Temperature
Shutdown (RUN) Threshold vs
Temperature
Regulated Feedback Voltage vs
Temperature
Undervoltage Lockout Threshold
vs Temperature
SENSE Pins Total Input Bias
Current vs Temperature
Shutdown Current vs Input
Voltage
Oscillator Frequency vs
Temperature
TEMPERATURE (°C)
1.05
1.10
1.20
1.25
1.30
45
38341 G19
1.00
0.95
0–15–30–45 15
30 60 75 90
0.90
1.15
TRACK/SS CURRENT (μA)
TEMPERATURE (°C)
0.80
0.75
0.70
0.65
0.60
0.55
0.50
1.00
0.95
0.90
0.85
45 60 75 90
38341 G20
0–15–30–45 15
30
RUN PIN VOLTAGE (V)
TEMPERATURE (°C)
800
798
796
794
792
808
806
804
802
45 60 75 90
38341 G21
0–15–30–45 15
30
REGULATED FEEDBACK VOLTAGE (mV)
TEMPERATURE (°C)
–120
–150
–180
–210
–240
30
0
–30
–60
–90
60
45 60 75 90
38341 G22
–270
0–15–30–45 15
30
–300
INPUT CURRENT (μA)
V
OUT
= 10V
V
OUT
= 3.3V
V
OUT
= 0V
INPUT VOLTAGE (V)
8
10
35
38341 G23
6
4
201510525
30
2
0
12
INPUT CURRENT (μA)
TEMPERATURE (°C)
400
500
700
800
55
38341 G24
300
200
–5–25–45 15
35 75 95
100
0
600
FREQUENCY (kHz)
V
PLLLPF
= INTV
CC
V
PLLLPF
= FLOAT
V
PLLLPF
= GND
TEMPERATURE (°C)
3.6
3.5
3.4
3.3
3.2
4.1
4.0
3.9
3.8
3.7
4.2
45 60 75 90
38341 G25
0–15–30–45 15
30
INT V
CC
VOLTAGE (V)
RISING
FALLING
SENSE Pins Total Input Bias
Current vs I
TH
I
TH
VOLTAGE (V)
2
3
4
1.2
38341 G18
1
0.60.40.20 0.8
1.0 1.4
0
INPUT CURRENT (μA)