LTC3703_15 Datasheet, PDF (6/34 Pages) Linear Technology – 100V Synchronous Switching Regulator Controller

LTC3703
Typical Performance Characteristics
RUN/SS Pull-Up Current vs
V_CC Voltage
6
5
4
3
2
1
0
6
8
10
12
14
16
V_CC VOLTAGE (V)
3703 G16
RUN/SS Sink Current vs
SW Voltage
25
I_MAX = 0.3V
20
15
10
5
0
–5
–10
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
|SW| VOLTAGE (V)
3703 G17
Max % DC vs RUN/SS Voltage
100
90
80
70
60
50
40
30
20
10
0
–10
0.5
1.0
1.5
2.0
2.5
3.0
RUN VOLTAGE (V)
3703 G18
I_MAX Current vs Temperature
13
12
% Duty Cycle vs COMP Voltage
100
V_IN = 10V
80
60
V_IN = 75V
40
V_IN = 50V
V_IN = 25V
20
Max % DC vs Frequency and
Temperature
100
95
90
–45°C
85
25°C
80
90°C
150°C 125°C
75
11
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3703 G19
0
0.5 0.75 1.00 1.25 1.50 1.75 2.00
COMP (V)
3703 G20
70
0 100 200 300 400 500 600 700
FREQUENCY (kHz)
3703 G21
Shutdown Threshold vs
Temperature
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3703 G22
t_ON(MIN) vs Temperature
200
180
160
140
120
100
80
60
40
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3703 G23
3703fc
6