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SA7527 Datasheet(PDF) 2 Page - Silan Microelectronics Joint-stock |
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SA7527 Datasheet(HTML) 2 Page - Silan Microelectronics Joint-stock |
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2 / 8 page  SA7527 HANGZHOU SILAN MICROELECTRONICS CO.,LTD REV:1.0 2005.07.22 Http: www.silan.com.cn Page 2 of 8 ABSOLUTE MAXIMUM RATINGS (Tamb=25°C) Characteristics Symbol Rating Unit Supply Voltage VCC 30 V Peak Drive Output Current IOH, IOL ±500 mA Driver Output Clamping Diodes VO>VCC or VO<-0.3V Iclamp ±10 mA Detector Clamping Diodes Idet ±10 mA Error Amp, Multiplier And Comparator Input Voltage Vin -0.3 to 6 V Operating Junction Temperature Tj 150 °C Operating Temperature Range Topr -25 to 125 °C Storage Temperature Range Tstg -65 to 150 °C Power Dissipation Pd 0.8 W TEMPERATURE CHARACTERISTICS Characteristics Symbol Min. Typ. Max. Unit Temperature Stability For Reference Voltage (Vref) ∆Vref -- 20 -- mV Temperature Stability For Multiplier Gain (K) ∆K/∆T -- -0.2 -- %/ °C ELECTRICAL CHARACTERISTICS (Unless otherwise stated, VCC=14V, -25°C ≤Tamb≤125°C) Characteristics Symbol Test condition Min. Typ. Max. Unit Under Voltage Lockout Section Start Threshold Voltage Vth (st) VCC increasing 10.5 11.5 12.5 V UVLO Hysteresis HY (st) -- 2 3 4 V Supply Current Section Start-Up Supply Current Ist VCC=Vth(st)-0.2 10 60 100 µA Operating Supply Current ICC Output not switching -- 3 6 mA Operating Current OVP ICC(OVP) Vinv=3V -- 1.7 4 mA Dynamic Operating Supply Current IDCC 50kHz, CI=1nF -- 4 8 mA Error Amplifier Section Iref=0mA, Tamb=25 °C 2.465 2.5 2.535 V Voltage Feedback Input Threshold Vref -25 ≤Tamb≤125°C 2.44 2.5 2.56 V Line Regulation ∆Vref1 14V ≤VCC≤25V -- 0.1 10 mV Temperature Stability Of Vref (note) ∆Vref3 -25 ≤Tamb≤125°C -- 20 -- mV Input Bias Current Ib(ea) -- -0.5 -- 0.5 µA Output Source Current Isource Vm2=4V -2 -4 -- mA Output Sink Current Isink Vm2=4V 2 4 -- mA Output Upper Clamp Voltage (note) Veao(H) Isource=0.1mA -- 6 -- V Output Lower Clamp Voltage (note) Veao(L) Isink=0.1mA -- 2.25 -- V (To be continued) |
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