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UC3800G-S08-R 数据表(PDF) 5 Page - Unisonic Technologies |
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UC3800G-S08-R 数据表(HTML) 5 Page - Unisonic Technologies |
5 / 10 page UC3800 Preliminary LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 5 of 10 www.unisonic.com.tw QW-R103-083.a ELECTRICAL CHARACTERISTICS (TA=25°C, VDD=16V,unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT SUPPLY SECTION Supply current from HV Pin IHV HV=100V 0.25 mA Start Up Current ISTR VDD = VDD(ON)-0.1V 2 15 μA IC Operating current IOP1 VFB=3.5V 0.8 1.8 mA VDD Zener Clamp Voltage VDD(CLAMP) IDD=20mA 31 33 35 V UNDER-VOLTAGE LOCKOUT SECTION Start Threshold Voltage VDD(ON) 12 13 14 V Min. Operating Voltage VDD(OFF) 6 7 8 V Hysteresis VDD(HY) 6 V CONTROL SECTION VFB Open Loop Voltage Level VFB-OPEN 5.0 5.4 V PWM Input Gain AVCS ∆VFB/∆VCS 3 V/V The FB threshold enter burst mode VFB(IN) VSENSE =0 1.5 V The FB threshold exit burst mode VFB(OUT) VSENSE =0 1.8 V The FB threshold enter green mode VFB(END) VSENSE =0 2.9 V Normal VFB=3.5V, hopping Rang 60 65 70 KHz Switch Frequency Power-Saving FSW Before enter burst mode 19 22 25 KHz Duty Cycle DMAX VFB=3.5V, VSENSE=0 70 78 85 % Frequency Hopping FJ(SW) -4 +4 % Frequency VDD Stability FDV VDD=12V~20V 5 % Frequency Temperature Stability FDT T=-25~85°C 5 % PROTECTION SECTION VCC Over Voltage Protection Threshold VOVP VFB=3.5V 26 27 28 V FB PIN Over Load Protection Threshold VOLP 4.3 V Over Load Protection Delay-Time TDelay 80 88 96 mS Soft start time TSS 2.5 mS OTP Level TOTP 145 °C CURRENT LIMITING SECTION Peak Current Flat Threshold Voltage VCS-F VFB=3.5V, Duty≥60% 0.85 0.95 1.05 V Peak Current Valley Threshold Voltage VCS-V VFB=4.2V, Duty=0% 0.55 0.65 0.75 V Lead Edge Blanking Time TLEB 350 ns DRIVER OUTPUT SECTION Output Voltage Low State VOL VDD=16V,IO=-20mA 0.8 V Output Voltage High State VOH VDD=16V,IO= 20mA 11 V Output clamp Voltage V_Clamping 16 V Output Voltage Rise Time tR CL=1.0nF 100 ns Output Voltage Fall Time tF CL=1.0nF 60 ns LNO SECTION Threshold voltage for LNO VTH_LNO 1.05 V Threshold voltage for BNO VTH_BNO 0.3 V |
类似零件编号 - UC3800G-S08-R |
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类似说明 - UC3800G-S08-R |
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