LTC3630
TYPICAL PERFORMANCE CHARACTERISTICS
Quiescent VIN Supply Current
vs Temperature
Switch On-Resistance
vs Input Voltage
Switch On-Resistance
vs Temperature
20
16
12
8
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
1.6
V
= 12V
V
= 12V
IN
IN
1.4
1.2
TOP
SLEEP
1.0
0.8
0.6
0.4
0.2
TOP
BOTTOM
SHUTDOWN
BOTTOM
4
0
0
–55 –25
5
35
65
95 125 155
0
20
30
40
50
60
–55 –25
5
35
65
95 125 155
10
TEMPERATURE (°C)
INPUT VOLTAGE (V)
TEMPERATURE (°C)
3630 G16
3630 G17
3630 G18
Switch Leakage Current
vs Temperature
RUN Comparator Threshold
Voltage vs Temperature
Operating Waveforms
1.30
1.25
1.20
1.15
14
12
10
8
V
= 65V
IN
SWITCH
VOLTAGE
25V/DIV
3*4*/(
OUTPUT
VOLTAGE
50mV/DIV
INDUCTOR
CURRENT
500mA/DIV
6
4
SW = 65V
2
'"--*/(
1.10
1.05
1.00
0
–2
–4
–6
3630 G21
V
V
= 65V
= 5V
10ꢀs/DIV
IN
OUT
SW = 0V
I
= 350mA
LOAD
FIGURE 13 CIRCUIT
ꢆꢇ
TEMPERATURE (°C)
125 155
–55 –25
5
35
95
–25
5
65
95 125 155
–55
35
TEMPERATURE (°C)
-5ꢀꢁꢂꢃꢄtꢄꢅꢆꢅꢁꢄ(ꢂꢁ
3630 G19
3630fb
6
Linear Systems [ Linear Systems ]
