Datasheet

LTC3611
6
3611fd
typicAl perForMAnce chArActeristics
Maximum Valley Current Limit
vs Temperature
Input Voltage vs Maximum
Valley Current
Maximum Valley Current Limit
in Foldback
Feedback Reference Voltage
vs Temperature Error Amplifier g
m
vs Temperature
On-Time vs Temperature
Maximum Valley Current Limit
vs V
RNG
Voltage
Maximum Valley Current Limit
vs RUN/SS Voltage
TEMPERATURE (°C)
–50
ON-TIME (ns)
200
250
300
25 75
3611 G13
150
100
–25 0 50 100 125
50
0
I
ION
= 30µA
V
VON
= 0V
V
RNG
VOLTAGE (V)
0.5
MAXIMUM VALLEY CURRENT LIMIT (A)
5
10
20
15
0.9
3611 G15
0.6
0.7
0.8
1
RUN/SS VOLTAGE (V)
1.65
MAXIMUM VALLEY CURRENT LIMIT (A)
3
6
9
12
18
15
2.65
3611 G16
0
1.9
2.15
2.4
3.15 3.42.9
FIGURE 6 CIRCUIT
TEMPERATURE (°C)
–50
MAXIMUM VALLEY CURRENT LIMIT (A)
5
10
20
15
50
3611 G17
0
–25
0
25
100 12575
V
RNG
= 1V
INPUT VOLTAGE (V)
4
MAXIMUM VALLEY CURRENT (A)
6
8
10
16
18
14
12
20
3611 G27
4
8
12
16
28 32 3624
V
FB
(V)
0
MAXIMUM VALLEY CURRENT LIMIT (A)
5
10
20
15
0.4
3611 G14
0
0.1
0.2
0.3
0.60.5
V
RNG
= 1V
TEMPERATURE (°C)
–50
0.58
FEEDBACK REFERENCE VOLTAGE (V)
0.59
0.60
0.61
0.62
–25 0 25 50
3611 G18
75 100 125
TEMPERATURE (°C)
–50 –25
1.0
g
m
(mS)
1.4
2.0
0
50
75
3611 G19
1.2
1.8
1.6
25
100
125