Datasheet

LTC3608
6
3608fc
INPUT VOLTAGE (V)
4
MAXIMUM VALLEY CURRENT (A)
18
16
14
12
10
3608 G17
4
6
8
8 12 16
20
TEMPERATURE (°C)
–50 –25
1.0
g
m
(mS)
1.4
2.0
0
50
75
3608 G20
1.2
1.8
1.6
25
100
125
Error Amplifier g
m
vs Temperature
V
FB
(V)
0
0
MAXIMUM VALLEY CURRENT LIMIT (A)
5
10
15
0.1 0.2 0.3 0.4 0.5 0.6
3608 G18
TEMPERATURE (°C)
–50 –25
0
MAXIMUM VALLEY CURRENT LIMIT (A)
5
20
0 50 75
3608 G16
15
10
25 100 125
TEMPERATURE (°C)
–50
0.58
FEEDBACK REFERENCE VOLTAGE (V)
0.59
0.60
0.61
0.62
–25 0 25 50
3608 G19
75 100 125
typical perForMance characteristics
Maximum Valley Current Limit
in Foldback
Maximum Valley Current Limit
vs
Temperature
Feedback Reference Voltage
vs Temperature
Input Voltage
vs
Maximum Valley Current
RUN/SS VOLTAGE (V)
1.65
0
MAXIMUM VALLEY CURRENT LIMIT (A)
3
6
9
12
15
1.90 2.15 2.65 2.90 3.15 3.402.40
3608 G15
TEMPERATURE (°C)
–50
ON-TIME (ns)
200
250
300
25 75
3608 G13
150
100
–25 0 50 100 125
50
0
I
ION
= 30µA
V
VON
= 0V
V
RNG
VOLTAGE (V)
0.5
5
MAXIMUM VALLEY CURRENT LIMIT (A)
10
20
15
25
0.6 0.7 0.8
3608 G14
0.9 1.0
On-Time vs Temperature
Maximum Valley Current Limit
vs V
RNG
Voltage
Maximum Valley Current Limit
vs
RUN/SS Voltage