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IX9907N 데이터시트(PDF) 4 Page - IXYS Corporation |
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IX9907N 데이터시트(HTML) 4 Page - IXYS Corporation |
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4 / 10 page ![]() INTEGRATED CIRCUITS DIVISION IX9907 4 www.ixysic.com R02 1.4 Electrical Characteristics TJ = - 25°C to +125°, VCC=18V unless otherwise noted. 1.4.1 Power Supply 1.4.2 Internal Voltage Reference 1.4.3 PWM Section 1.4.4 Current Sense 1.4.5 Soft Start Parameter Conditions Symbol Minimum Typical Maximum Unit Supply Current in Normal Operation Power Switch OFF ICC -1.8 2.9 mA VCC Turn-On Threshold - VCCon 17 18 19 V VCC Turn-Off Threshold - VCCoff 9.8 10.5 11.2 V VCC Turn-On/Off Hysteresis - VCChys -7.5 - V Parameter Conditions Symbol Minimum Typical Maximum Unit Internal Reference Voltage Measured at VR Pin, IVR=0 VVR 4.8 5 5.2 V Parameter Conditions Symbol Minimum Typical Maximum Unit VR Pull-Up Resistor - RVR 11 19 27 k PWM-OP Gain - GPWM 2.95 3 3.05 - Offset for Voltage Ramp - VPWM 0.7 0.77 0.85 V Maximum On-Time in Normal Operation - tonMax 22 30 41 s Parameter Conditions Symbol Minimum Typical Maximum Unit Current Sense Threshold - VCSTH 0.97 1.03 1.09 V Leading Edge Blanking Time - tBLKCS 270 450 630 ns Parameter Conditions Symbol Minimum Typical Maximum Unit Soft-Start Time - tSS 8.5 12 - ms Soft-Start Time Step - tSS-S -3 - ms Internal Regulation Voltage at First Step - VSS1 -1.76 - V Internal Regulation Voltage Step at Soft Start - VSS-S -0.56 - V |
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