SI9912 Datasheet, PDF (8/8 Pages) Vishay Siliconix – Half-Bridge MOSFET Driver for Switching Power Supplies

Si9912
Vishay Siliconix
+5 V
+5 V
PWM IN
U1
1
OUT_H
2
GND
8
V_S
7
BOOT
3
IN
6
V_DD
4 _SD
5
OUT_L
Si9912
GND
C_LOAD
C9
C_LOAD
C8
C2
0.1 mF
FIGURE 2. Capacitive Load Test Circuit Used to Measure
Rise and Fall Times vs. Capacitance
Input
U1
1
OUT_H
2
GND
3
IN
8
V_S
7
BOOT
6
V_DD
4 _SD
OUT_L ⁵
Si9912
ISRC
ISRC
C2
0.1 mF
GND
FIGURE 3. Load Test Schematic Circuit Used to
Measure Driver Output Impedance
www.vishay.com
8
Document Number: 71311
S-40134—Rev. B, 16-Feb-04