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UPS601 Datasheet(PDF) 4 Page - Unisonic Technologies |
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UPS601 Datasheet(HTML) 4 Page - Unisonic Technologies |
4 / 12 page ![]() UPS601 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 4 of 12 www.unisonic.com.tw QW-R119-003,A ABSOLUTE MAXIMUM RATINGS (Ta=25°C, VCC=15V, RT=75kΩ, unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC 26 V Input Voltage to FB Pin VFB -0.3 ~ 6.2 V Input Voltage to CS Pin VCS -0.3 ~ 2.8 V Input Voltage to RT Pin VRT -0.3 ~ 6.2 V Junction Temperature TJ +150 °C Operating Temperature TOPR -40 ~ +125 °C Storage Temperature TSTG -50 ~ +150 °C Note Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. OPERATING RANGE PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC 8.6 ~ 22 V ELECTRICAL CHARACTERISTICS (Ta=25°C, VCC=15V, RT=75kΩ, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT SUPPLY SECTION Start Up Current ISTR VCC=13.5 22 45 µA OFF IOFF VSS = 0, IFB = 0 3.7 5.5 mA Supply Current with switch ON ION VSS = 5V, IFB = 0 4.0 6.0 mA UNDER-VOLTAGE LOCKOUT SECTION Start Threshold Voltage VTHD(ON) 11.8 12.6 13.4 V Min. Operating Voltage VCC(MIN) 7.6 8.1 8.6 V Hysteresis VCC(HY) 4.5 V INTERNAL VOLTAGE REFERENCE Reference Voltage VREF measured at pin VFB 6.1 6.3 6.5 V CONTROL SECTION Normal VFB = 4V 61 68 75 kHz Switch Frequency Power-Saving F(SW) VFB = 1V 18 20 23 kHz MAX DMAX 65 70 75 % Duty Cycle MIN DMIN VFB < 0.5V 0 % MIN VMIN 0.5 V VFB Operating Level MAX VMAX 4.4 V Feedback Resistor RFB 2.6 3.8 5.0 k Ω CSS=0.05uF 6 ms CSS=0.1uF 12 ms Soft-Start Time TSS CSS=1uF 120 ms PROTECTION SECTION OVP threshold V(OVP) VSS < 3.5V, VFB > 5V 15.2 16 16.8 V OLP threshold VFB(OLP) VSS > 5.4V 4.4 4.6 4.9 V OTP threshold T(THR) 120 135 150 °C OVP Disable threshold VSS(DEACT) VFB > 5V, VCC > 17V 3.7 3.9 4.2 V OLP Enable threshold VSS(ACT) VFB > 5V 4.9 5.1 5.4 V Spike Blanking time TSB 6.8 µs CURRENT LIMITING SECTION LEB tLEB 220 ns POWER MOS-TRANSISTOR SECTION Drain-Source Breakdown Voltage VDSS 600 V Static Drain-Source On-State Resistance RDS(ON) 15 Ω Output Capacitance CO 56 pF |