SI9102 Datasheet, PDF (4/7 Pages) Vishay Siliconix – 3-W High-Voltage Switchmode Regulator

Si9102
Vishay Siliconix
TIMING WAVEFORMS
1.5 V −
SOURCE 50%
0
V_CC −
DRAIN
0
t_r v 10 ns
t_d
10%
FIGURE 1.
V_CC
SHUTDOWN
0
V_CC
DRAIN
0
50%
−
−
t_f v 10 ns
t_SD
10%
FIGURE 2.
V_CC
SHUTDOWN
0−
V_CC
RESET
0−
50%
50%
t_SW
t_LW
50% ^{tr, tf v 10 ns}
50%
t_RW
50%
FIGURE 3.
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.
www.vishay.com
4
Output Switching Frequency
vs. Oscillator Resistance
1M
100 k
10 k
10 k
100 k
1M
r_OSC − Oscillator Resistance (W)
FIGURE 5.
Document Number: 70001
S-42040—Rev. G, 15-Nov-04