SI9110 Datasheet, PDF (4/8 Pages) Vishay Siliconix – High-Voltage Switchmode Controllers

Si9110/9111
Vishay Siliconix
TIMING WAVEFORMS
1.5 V −
SENSE
0
V_CC
OUTPUT
0−
50%
t_r v 10 ns
t_d
90%
FIGURE 1.
V_CC
SHUTDOWN
0
50%
−
t_f v 10 ns
t_SD
V_CC
OUTPUT
0−
90%
FIGURE 2.
V_CC
SHUTDOWN
0−
V_CC
RESET
0−
50%
50%
t_SW
t_LW
FIGURE 3.
50% ^{tr, tf v 10 ns}
50%
50%
t_RW
TYPICAL CHARACTERISTICS
+V_IN vs. +I_IN at Start-Up
140
V_CC = −V_IN
120
100
80
60
40
20
0
10
15
20
+I_IN (mA)
FIGURE 4.
Output Switching Frequency vs.
Oscillator Resistance
1M
100 k
10 k
10 k
100 k
1M
r_OSC (W)
FIGURE 5.
www.vishay.com
4
Document Number: 70004
S-42037—Rev. H, 15-Nov-04