SI9912DB Vishay, SI9912DB Datasheet
SI9912DB
Specifications of SI9912DB
Related parts for SI9912DB
SI9912DB Summary of contents
Page 1
... The Si9912 is available in both standard and lead (Pb)-free, 8-pin SOIC packages for operation over the industrial operation range (−40_C to 85_C). AND TRUTH TABLE BOOT OUT BOOT H OUTPUT OUT − BBM GND Si9912 Vishay Siliconix TRUTH TABLE OUTL OUTH ...
Page 2
... Si9912 Vishay Siliconix ABSOLUTE MAXIMUM RATINGS (T Parameter Low Side Driver Supply Voltage Input Voltage on IN Shutdown Pin Voltage Bootstrap Voltage High Side Driver (Bootstrap) Supply Voltage Operating Junction Temperature Range Storage Temperature Range Power Dissipation (Note a and b) Thermal Impedance Lead Temperature (soldering 10 Sec) Notes a ...
Page 3
... BOOT BOOT OUT = 10 to 90% r(OUTL OUT = 90 to 10% f(OUTL OUT − 90% r(OUTH OUT − 10% f(OUTH 50% 50% t pdh(OUTL) t f(OUTL) 10 pdl OUTH) t r(OUTH) 90% 90% 10% 10% Vishay Siliconix Limits Min Typ Max −0 0.4 S −0.4 0 90% 10% t r(OUTL) t pdl(OUTL) t f(OUTH) Si9912 a Unit www.vishay.com 3 ...
Page 4
... Input power supply DD 7 BOOT Floating bootstrap supply for the upper MOSFET 8 V Floating GND for the upper MOSFET Part Number Si9912DY Si9912DY-T1 Si9912DY-T1—E3 (Lead (Pb)-Free) Eval Kit Si9912DB TYPICAL WAVEFORMS Driver On Switch Delay C = Si4412DY OUT H OUT L IN Si9912 tr, tf, tpd www ...
Page 5
... See Figure 3 −6 4.0 4.5 5.0 Supply Voltage (V) Document Number: 71311 S-40134—Rev. B, 16-Feb-04 100 1000 1.5 A 5.0 5.5 6 5.5 6.0 Si9912 Vishay Siliconix Rise and Fall Time vs. C LOAD 50 See Figure r(OUTH f(OUTL r(OUTL 0 Load Capacitance (nF) V vs. Supply OUT(H− ...
Page 6
... Si9912 Vishay Siliconix TYPICAL CHARACTERISTICS (25_C UNLESS NOTED) V vs. Temperature OUT(H+) 0 0.5 A −1 − −3 See Figure 3 −4 −5 −50 − Temperature (_C) V vs. Temperature OUT(L+) 0 −1 −2 −3 − See Figure 3 −5 −50 − Temperature (_C) THEORY OF OPERATION Break-Before-Make Function The Si9912 has an internal break-before-make function to ensure that both high-side and low-side MOSFETs are not turned on at the same time ...
Page 7
... This is accomplished by making these traces as short as possible, and also running trace and its current return path adjacent to each other OUT GND BOOT 0 OUT L 4 Si9912 C2 0.1 mF Si9912 Vishay Siliconix + Si4412 L1 GND LOAD Q2 Si4412 GND GND www.vishay.com 7 ...
Page 8
... Si9912 Vishay Siliconix + OUT GND BOOT PWM OUT L Si9912 GND FIGURE 2. Capacitive Load Test Circuit Used to Measure Rise and Fall Times vs. Capacitance www.vishay.com LOAD Input 5 C LOAD C8 C2 0.1 mF FIGURE OUT BOOT GND OUT SD L ISRC Si9912 C2 0.1 mF GND Load Test Schematic Circuit Used to ...
Page 9
... Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay’ ...