LTC3610_15 Datasheet, PDF (5/24 Pages) Linear Technology – 24V, 12A Monolithic Synchronous Step-Down DC/DC Converter

Typical Performance Characteristics
LTC3610
Load Current
vs I_TH Voltage and V_RNG
25
V_RNG = _1V
20
0.7V
15
0.5V
10
5
0
–5
–10
0
0.5 1.0 1.5 2.0
I_TH VOLTAGE (V)
2.5 3.0
3610 G10
On-Time vs I_ON Current
10000
V_VON = 0V
1000
100
10
1
10
I_ON CURRENT (µA)
100
3610 G11
On-Time vs V_ON Voltage
1000 _{ION = 30µA}
800
600
400
200
0
0
1
2
V_ON VOLTAGE (V)
3
3610 G12
On-Time vs Temperature
300
I_ION = 30µA
V_VON = 0V
250
200
150
100
50
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3610 G13
Maximum Valley Current Limit
vs Temperature
20
15
10
5
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3610 G16
Maximum Valley Current Limit
vs V_RNG Voltage
24
22
20
18
16
14
12
10
0.5
0.6 0.7 0.8 0.9 1.0
V_RNG VOLTAGE (V)
3610 G14
Input Voltage
vs Maximum Valley Current
18
16
14
12
10
8
6
4
4 7 10 13 16 19 22 25 28
INPUT VOLTAGE (V)
3610 G17
Maximum Valley Current Limit
vs RUN/SS Voltage
18
15
12
9
6
3
0
1.65 1.90 2.15 2.40 2.65 2.90 3.15 3.40
RUN/SS VOLTAGE (V)
3610 G15
Maximum Valley Current Limit
in Foldback
15
10
5
0
0 0.1 0.2 0.3 0.4 0.5 0.6
V_FB (V)
3610 G18
3610ff