LTC3611_15 Datasheet, PDF (6/26 Pages) Linear Technology – 10A, 32V Monolithic Synchronous Step-Down DC/DC Converter

LTC3611
Typical Performance Characteristics
On-Time vs Temperature
300
I_ION = 30µA
V_VON = 0V
250
Maximum Valley Current Limit
vs V_RNG Voltage
20
Maximum Valley Current Limit
vs RUN/SS Voltage
18
FIGURE 6 CIRCUIT
15
200
15
12
150
9
100
10
6
50
3
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3611 G13
5
0.5
0.6
0.7
0.8
0.9
1
V_RNG VOLTAGE (V)
3611 G15
0
1.65 1.9 2.15 2.4 2.65 2.9 3.15 3.4
RUN/SS VOLTAGE (V)
3611 G16
Maximum Valley Current Limit
vs Temperature
20
V_RNG = 1V
15
Input Voltage vs Maximum
Valley Current
18
16
14
Maximum Valley Current Limit
in Foldback
20
V_RNG = 1V
15
12
10
10
10
5
8
5
6
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3611 G17
4
4 8 12 16 20 24 28 32 36
INPUT VOLTAGE (V)
3611 G27
0
0 0.1 0.2 0.3 0.4 0.5 0.6
V_FB (V)
3611 G14
Feedback Reference Voltage
vs Temperature
0.62
Error Amplifier g_m vs Temperature
2.0
1.8
0.61
1.6
0.60
1.4
0.59
1.2

0.58
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3611 G18
1.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3611 G19
3611fd