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| SI9910 Datasheet, PDF (5/5 Pages) Vishay Siliconix – Adaptive Power MOSFET Driver1 | |||
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APPLICATION CIRCUIT
Si9910
Vishay Siliconix
VDD (12 to 15 V)
VDD
D1
R4
C2
INPUT
C3
VDS
R3
DRAIN C1
PULL-UP R2
PULL-DOWN
ISENSE
OSC
CMOS
Logic
VDD
Q2
C4
R5
INPUT
VDS
R3â
DRAIN C1â
PULL-UP R2â
PULL-DOWN
ISENSE
C2 = Bootstrap Cap
C3 = Chargepump Cap
VSS
FIGURE 1. High-Voltage Half-Bridge with Si9910 Drivers
Q1
R1
Motor
Q1â
R1â
Document Number: 70009
S-40707âRev. G, 19-Apr-04
www.vishay.com
5
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