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UPS1602 Datasheet(PDF) 4 Page - Unisonic Technologies |
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UPS1602 Datasheet(HTML) 4 Page - Unisonic Technologies |
4 / 12 page UPS1602 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 4 of 12 www.unisonic.com.tw QW-R119-016.D ABSOLUTE MAXIMUM RATINGS (TA=25°C, unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC 30 V Input Voltage to FB Pin VFB -0.3 ~ 6.2 V Input Voltage to CS Pin VCS -0.3 ~ 2.8 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. RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC 8.6 ~ 22 V ELECTRICAL CHARACTERISTICS (TA=25°C, VCC=15V, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT SUPPLY SECTION Start Up Current ISTR VCC = VCC(ON)-0.1V 22 45 μA Supply Current with switch IOFF VSS = 0, IFB = 0 7 9 mA ION VSS = 4.8V, IFB = 0 7 9 mA UNDER-VOLTAGE LOCKOUT SECTION Start Threshold Voltage VTHD(ON) 13.5 14.2 15 V Min. Operating Voltage VCC(MIN) 7.5 8.2 9 V Hysteresis VCC(HY) 6 V INTERNAL VOLTAGE REFERENCE Reference Voltage VREF measured at pin VFB 6.3 6.5 6.7 V CONTROL SECTION VFB Operating Level VMIN 0.5 V VMAX 4.4 Burst-Mode Out FB Voltage VFB(OUT) VCS =0 1.7 V Reduce-Frequency end FB Voltage VFB(END) VCS =0 1.6 V Burst-Mode Enter FB Voltage VFB(IN) VCS =0 1.5 V Switch Frequency Normal F(SW) VFB = 4V 61 68 75 kHz Power-Saving Before enter burst mode 20 40 kHz Duty Cycle DMAX VFB=4.4V, VCS =0 68 74 80 % DMIN VFB<0.5V 0 % Frequency Hopping FJ(SW) ±1.5 ±3 ±4.5 kHz Frequency Variation VS VCC Deviation FDV VCC=10 to 20V 5 % Frequency Variation VS Temperature Deviation FDT T=-40 to 105°C 5 % Feedback Resistor RFB VFB=0V 16 21 26 kΩ Soft-Start Time TSS CSS=0.47μF 9.9 11.2 12.6 ms PROTECTION SECTION OVP threshold VOVP1 VSS <3.5V,VFB>5V 19 V VOVP2 VSS =4.8V, VFB=3V 28 V OLP threshold VFB(OLP) VCS=0, SS-PIN OPEN 4.7 4.9 5.1 V Delay Time Of OLP TD-OLP CSS=0.47μF 55 62 70 ms OTP threshold T(THR) 120 135 150 °C OVP Disable threshold VSS (DEACT) VFB>5V, VCC = 22V 3.9 4.1 4.3 V OLP Enable threshold VSS (ACT) VFB>5V 5.1 5.4 5.7 V |
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Similar Description - UPS1602_12 |
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