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IR2154 Datasheet(PDF) 4 Page - International Rectifier |
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IR2154 Datasheet(HTML) 4 Page - International Rectifier |
4 / 7 page ![]() IR2154 4 Symbol Definition Min. Typ. Max. Units Test Conditions fosc Oscillator frequency 19.4 20 20.6 RT = 36.9kΩ 94 100 106 RT = 7.43k Ω d RT pin duty cycle 48 50 52 % fo < 100kHz ICT CT pin current — 0.001 1.0 uA ICTUV UV-mode CT pin pulldown current 0.30 0.70 1.2 mA VCC = 7V VCT+ Upper CT ramp voltage threshold — 8.0 — VCT- Lower CT ramp voltage threshold — 4.0 — VCTSD CT voltage shutdown threshold 1.8 2.1 2.4 VRT+ High-level RT output voltage, VCC - VRT — 10 50 IRT = 100µA — 100 300 IRT = 1mA VRT- Low-level RT output voltage — 10 50 IRT = 100µA — 100 300 IRT = 1mA VRTUV UV-mode RT output voltage — 0 100 VCC ≤ VCCUV- VRTSD SD-Mode RT output voltage, VCC - VRT — 10 50 IRT = 100µA, VCT = 0V — 10 300 IRT = 1mA, VCT = 0V Oscillator I/O Characteristics V mV Floating Supply Characteristics Symbol Definition Min. Typ. Max. Units Test Conditions IQBSUV Micropower startup VBS supply current — 0 10 VCC ≤ VCCUV- IQBS Quiescent VBS supply current — 30 50 VBSMIN Minimum required VBS voltage for proper — 4.0 5.0 V VCC=VCCUV+ + 0.1V functionality from RT to HO ILK Offset supply leakage current — — 50 µAVB = VS = 600V µA Electrical Characteristics (cont.) Symbol Definition Min. Typ. Max. Units Test Conditions VOH High level output voltage, VBIAS -VO — 0 100 IO = OA VOL Low-level output voltage, VO — 0 100 IO = OA VOL_UV UV-mode output voltage, VO — 0 100 IO = OA VCC ≤ VCCUV- tr Output rise time — 80 150 tf Output fall time — 45 100 tsd Shutdown propogation delay — 660 — td Output deadtime (HO or LO) 0.35 0.60 0.85 µsec Gate Driver Output Characteristics mV nsec kHz |