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IR53HD420-P2 Datasheet(PDF) 5 Page - International Rectifier |
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IR53HD420-P2 Datasheet(HTML) 5 Page - International Rectifier |
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5 / 8 page  5 IR53H(D)420(-P2) 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 V mV kHz Floating Supply Characteristics Oscillator I/O 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 IOS Offset supply leakage current — — 50 µAVB = VS = 600V VF Bootstrap diode forward voltage (IR2153D) 0.5 — 1.0 V IF = 250mA µA Electrical Characteristics VBIAS (VCC, VBS) = 12V, CT = 1 nF and TA = 25°C unless otherwise specified. The VIN, VTH and IIN parameters are referenced to COM. Low Voltage Supply Characteristics Symbol Definition Min. Typ. Max. Units Test Conditions VCCUV+ Rising VCC undervoltage lockout threshold 8.1 9.0 9.9 VCCUV- Falling VCC undervoltage lockout threshold 7.2 8.0 8.8 VCCUVH VCC undervoltage lockout Hysteresis 0.5 1.0 1.5 IQCCUV Micropower startup VCC supply current — 75 150 VCC ≤ VCCUV- IQCC Quiescent VCC supply current — 500 950 VCLAMP VCC zener clamp voltage 14.4 15.6 16.8 V ICC = 5mA V µA |
Similar Part No. - IR53HD420-P2 |
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Similar Description - IR53HD420-P2 |
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