LTC3711 Datasheet, PDF (5/24 Pages) Linear Technology – 5-Bit Adjustable, Wide Operating Range, No RSENSE

TYPICAL PERFOR A CE CHARACTERISTICS
LTC3711
On-Time vs I_ON Current
10k
V_VON = 0V
1k
100
On-Time vs V_ON Voltage
1000
I_ION = 30µA
800
600
400
200
On-Time vs Temperature
300
I_ION = 30µA
V_VON = 0V
250
200
150
100
50
10
1
10
I_ON CURRENT (µA)
100
3711 G11
Current Limit Foldback
150
V_RNG = 1V
125
0
0
1
2
3
V_ON VOLTAGE (V)
3711 G12
Maximum Current Sense
Threshold vs V_RNG Voltage
300
250
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3711 G13
Maximum Current Sense
Threshold vs RUN/SS Voltage
150
V_RNG = 1V
125
100
200
100
75
150
75
50
100
50
25
50
25
0
0
0.2
0.4
0.6
0.8
V_FB (V)
3711 G14
0
0.5 0.75 1.0 1.25 1.5
V_RNG VOLTAGE (V)
1.75 2.0
3711 G15
0
1.5
2
2.5
3
RUN/SS VOLTAGE (V)
3.5
3711 G16
Maximum Current Sense
Threshold vs Temperature
150
V_RNG = 1V
Feedback Reference Voltage
vs Temperature
0.82
140
0.81
130
0.80
120
0.79
110
100
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3711 G17
0.78
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3711 G18
3711f
5