Datasheet

LTC3827
7
3827ff
TYPICAL PERFORMANCE CHARACTERISTICS
TRACK/SS Pull-Up Current
vs Temperature
Shutdown (RUN) Threshold
vs Temperature
Regulated Feedback Voltage
vs Temperature
Sense Pins Total Input Current
vs Temperature
Shutdown Current
vs Input Voltage
Oscillator Frequency
vs Temperature
TEMPERATURE (°C)
–45
TRACK/SS CURRENT (µA)
1.00
1.05
1.10
75
3827 G19
0.95
0.90
0.80
–15
15
45
–30 90
0
30
60
0.85
1.20
1.15
TEMPERATURE (°C)
–45
RUN PIN VOLTAGE (V)
0.80
0.85
0.90
75
3827 G20
0.75
0.65
0.50
–15
15
45
–30 90
0
30
60
0.55
0.70
0.60
1.00
0.95
TEMPERATURE (°C)
–45
REGULATED FEEDBACK VOLTAGE (mV)
800
802
804
75
3827 G21
798
796
792
–15
15
45
–30 90
0
30
60
794
808
806
TEMPERATURE (°C)
–45
–800
INPUT CURRENT (µA)
–700
–500
–400
–300
200
–100
–15
15
30 90
3827 G22
–600
0
100
–200
–30 0
45
60
75
V
OUT
= OV
V
OUT
= 3.3V
V
OUT
= 10V
INPUT VOLTAGE (V)
510
0
INPUT CURRENT (µA)
10
25
15
25
30
3827 G23
5
20
15
20
35
TEMPERATURE (°C)
–45
0
FREQUENCY (kHz)
100
300
400
500
800
700
–5
35
55
3827 G24
200
600
–25
15
75 95
V
PLLLPF
= INTV
CC
V
PLLLPF
= FLOAT
V
PLLLPF
= GND
Undervoltage Lockout Threshold
vs Temperature
Oscillator Frequency
vs Input Voltage
Shutdown Current
vs Temperature
TEMPERATURE (°C)
–45
3.2
INTV
CC
VOLTAGE (V)
3.3
3.5
3.6
3.7
4.2
3.9
–15
15
30
3827 G25
3.4
4.0
4.1
3.8
–30
0
60
45
75 90
FALLING
RISING
INPUT VOLTAGE (V)
510
FREQUENCY (kHz)
15
25
30
3827 G26
20
35
392
394
398
400
402
396
404
TEMPERATURE (°C)
–45
SHUTDOWN CURRENT (µA)
75
3827 G27
–15
15
45
–30 90
0
30
60
0
2
6
8
10
4
12