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IR2157 Datasheet(PDF) 6 Page - International Rectifier |
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IR2157 Datasheet(HTML) 6 Page - International Rectifier |
6 / 20 page IR2157 6 ADVANCED INFORMATION Symbol Definition Min. Typ. Max. Units Test Conditions VSDTH+ Rising shutdown pin threshold voltage — 2.0 — V VSDHYS Shutdown pin threshold hysteresis — 150 — mV VCSTH+ Over-current sense threshold voltage — 1.0 — VCSTH- Under-current sense threshold voltage — 0.2 — TCS Over-current sense propogation delay — 160 — nsec Delay from CS to LO or HO VDC+ Low VBUS/rectified line input upper threshold — 5.15 — VDC- Low VBUS/rectified line input lower threshold — 3.0 — TSD Thermal shutdown junction temperature — 175 — oC Protection Circuitry Characteristics V Electrical Characteristics (cont.) V RPH Characteristics Symbol Definition Min. Typ. Max. Units Test Conditions IRPHLK Open circuit RPH pin leakage current — 0.1 — µA VRPH = 5V,VRPH = 5V VRPHFLT Fault-mode RPH pin voltage — 0 — mV SD = 5V, CS = 2V, or Tj > TSD RUN Characteristics Symbol Definition Min. Typ. Max. Units Test Conditions IRUNLK Open circuit RUN pin leakage current — 0.1 — µAVRUN = 5V VRUNFLT Fault-mode RUN pin voltage — 0 — mV SD = 5V, CS = 2V, or Tj > TSD Symbol Definition Min. Typ. Max. Units Test Conditions VOL Low-level output voltage — 0 100 Io = 0 VOH High level output voltage — 0 100 VBIAS - VO, Io = 0 tr Turn-on rise time — 85 150 tf Turn-off fall time — 45 100 Gate Driver Output Characteristics mV nsec Note 4: When the IC senses an overtemperature condition (Tj > 175ºC), the IC is latched off. In order to reset this Fault Latch, the SD pin must be cycled high and then low, or the VCC supply to the IC must be cycled below the falling undervoltage lockout threshold (VCCUV-). |
Similar Part No. - IR2157_07 |
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Similar Description - IR2157_07 |
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