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SS6577CGSTR Fiches technique(PDF) 3 Page - Silicon Standard Corp. |
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SS6577CGSTR Fiches technique(HTML) 3 Page - Silicon Standard Corp. |
3 / 14 page www.SiliconStandard.com 3 of 14 SS6577 Rev.1.02 3/26/2004 ABSOLUTE MAXIMUM RATINGS (Note 1) Supply Voltage (VIN) …………......……………...............…………………….................25V Drive Supply Voltage (BOOST) …………………………………………………..…………32V Switch Voltage (SW) ………………………………………………………………… 25V Differential Boost Voltage (BOOST to SW ) ………………………………………………..8V ITH/RUN,VFB Voltages ………………………………………………………………….7V Peak Drive Output Current < 10 µS (DRI ) ………………………………………………….2A Operating Temperature Range ……...............…….………………….......-40 °C ~ 85°C Thermal Resistance ( θJA) (Assuming no ambient airflow, no heatsink) SOP8 ……………………………………………………………………160 °C/W MSOP8 ……………………………………………………………………180 °C/W Storage Temperature Range …...................…………………. -65 °C ~ 150°C Lead Temperature ( Soldering, 10sec ) …………………………………….300 °C TEST CIRCUIT Refer to Typical Application Circuit. ELECTRICAL CHARACTERISTICS (TA=25°C, VIN=15V, unless otherwise noted.) PARAMETER TEST CONDITIONS MIN. TYP. MAX. UNIT Input Voltage 4.5 24 V Normal Mode (Note 2) 720 900 µA Input Supply Current Shutdown Mode, VITH/RUN=0V 16 20 µA Feedback Voltage 0.788 0.8 0.812 V ∆Output Overvoltage Lockout VFB connect to Vout, ∆VOVL=VOVL-VFB 20 55 90 mV Reference Voltage Line Regulation VIN= 4.5V to 20 V 0.002 0.015 %/V Output Voltage Load Regula- tion ITH Sinking 5µA ITH Sourcing 5µA 0.7 -0.4 1.1 -0.8 % Run Threshold 0.6 0.8 0.9 V Maximum Current Sense Threshold VFB=0.72V 125 150 175 mV Oscillator Frequency 450 500 550 kHz |
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