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UC3655 データシート(PDF) 5 Page - Unisonic Technologies |
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UC3655 データシート(HTML) 5 Page - Unisonic Technologies |
5 / 9 page UC3655 Preliminary CMOS IC UNISONICTECHNOLOGIESCO.,LTD 5 of 9 www.unisonic.com.tw QW-R502-280.c ELECTRICAL CHARACTERISTICS(Cont.) UC3655-28 (VIN=3.6V, VOUT=2.8V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Operating Voltage Range VIN 2.0 6.0 V Output Voltage VOUT CE=VIN, IOUT=30mA 2.744 2.8 2.856 V U.V.L.O. Voltage VUVLO CE=VIN, VOUT=0V, LX=L 1.0 1.40 1.78 V Output Voltage Temperature Characteristics ΔVOUT VOUT*ΔTOPR IOUT=30mA, -40°C ≤TOPR≤85°C ±100 ppm/°C Maximum Output Current IOUT(MAX) VIN=4.5V 500 mA Supply Current IDD VIN=CE=5.0V, VOUT=VOUT*1.1 75 120 µA Stand-by Current ISTN-BY VIN=5.0V, CE=0V, VOUT=VOUT*1.1 0 1.0 µA PFM Switch Current IPFM CE=VIN, IOUT=1mA 100 140 180 mA Current Limit ILIM VIN=CE=5.0V, VOUT=0V 600 700 mA Efficiency (Note 1) η CE=VIN=4.5V, IOUT=100mA 92 % OSCILLATOR Oscillation Frequency fOSC IOUT=100mA 1020 1200 1380 kHz Maximum Duty Ratio DMAX CE=VIN, VOUT=0V 100 % Minimum Duty Ratio DMIN CE=VOUT=VIN 0 % Soft-Start Time TSS IOUT=1mA 0.5 1.0 3.0 ms Latch Time TLAT VIN=CE=5.0V (Note 3) 1 20 ms CE (PIN 3) CE "H" Voltage VCEH 0.9 VIN V CE "L" Voltage VCEL VSS 0.3 V CE "H" Current ICEH VIN=CE=5.5V, VOUT=0V -0.1 0.1 µA CE "L" Current ICEL VIN=5.5V, CE=0V, VOUT=0V -0.1 0.1 µA LX (PIN 5) LX SW "H" ON Resistance RLXH CE=0.5VIN, VOUT=0V, ILX=100mA 0.5 Ω LX SW "L" ON Resistance RLXL CE=0.5VIN, ILX=100mA 0.6 Ω LX SW "H" Leak Current ILEAKH VIN=VOUT=5.0V, CE=0V, LX=0V (Note 2) 0.01 1.0 µA LX SW "L" Leak Current ILEAKL VIN=VOUT=5.0V, CE=0V, LX=5.0V 0.01 1.0 µA UC3655-33 (VIN=5.0V, VOUT=3.3V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Operating Voltage Range VIN 2.0 6.0 V Output Voltage VOUT CE=VIN, IOUT=30mA 3.234 3.300 3.366 V U.V.L.O. Voltage VUVLO CE=VIN, VOUT=0V, LX=L 1.0 1.40 1.78 V Output Voltage Temperature Characteristics ΔVOUT VOUT*ΔTOPR IOUT=30mA, -40 ≤T ℃ OPR≤85℃ ±100 ppm/°C Maximum Output Current IOUT(MAX) VIN=4.5V 500 mA Supply Current IDD VIN=CE=5.0V, VOUT=VOUT*1.1 75 120 µA Stand-by Current ISTN-BY VIN=5.0V, CE=0V, VOUT=VOUT*1.1 0 1.0 µA PFM Switch Current IPFM CE=VIN, IOUT=1mA 100 140 180 mA Current Limit ILIM VIN=CE=5.0V, VOUT=0V 600 700 mA Efficiency (Note 1) η CE=VIN=4.5V, IOUT=100mA 92 % OSCILLATOR Oscillation Frequency fOSC IOUT=100mA 1020 1200 1380 kHz Maximum Duty Ratio DMAX CE=VIN, VOUT=0V 100 % Minimum Duty Ratio DMIN CE=VOUT=VIN 0 % Soft-Start Time TSS IOUT=1mA 0.5 1.0 3.0 ms Latch Time TLAT VIN=CE=5.0V (Note 3) 1 20 ms |
同様の部品番号 - UC3655_11 |
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同様の説明 - UC3655_11 |
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