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L6997DTR bảng dữ liệu(PDF) 2 Page - STMicroelectronics |
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2 / 23 page L6997 2/23 ABSOLUTE MAXIMUM RATINGS THERMAL DATA PIN CONNECTION (Top View) Symbol Parameter Value Unit VCC VCC to GND -0.3 to 6 V VDR VDR to GND -0.3 to 6 V HGATE and BOOT, to PHASE -0.3 to 6 V HGATE and BOOT, to PGND -0.3 to 36 V VPHASE PHASE -0.3-to 30 V LGATE to PGND -0.3 to VDR+0.3 V ILIM, VFB, VSENSE, NOSKIP, SHDN, PGOOD, OVP, VREF, INT, GNDSENSE to GND -0.3 to VCC+0.3 V Ptot Power dissipation at Tamb = 25°C 1 W Tstg Storage temperature range -40 to 150 °C Symbol Parameter Value Unit Rth j-amb Thermal Resistance Junction to Ambient 125 °C/W Tj Junction operating temperature range -40 to 125 °C PIN FUNCTION N° Name Description 1 NOSKIP Connect to VCC to force continuous conduction mode and sink mode. 2 GNDSE NSE Remote ground sensing pin 3 INT Integrator output. Short this pin to VFB pin and connect it via a capacitor to VOUT to insert the integrator in the control loop. If the integrator is not used, short this pin to VREF. 4 VSENS E This pin must be connected to the remote output voltage to detect overvoltage and undervoltage conditions and to provide integrator feedback input. 5VCC IC Supply Voltage. 6 GND Signal ground 7 VREF 0.6V voltage reference. Connect max. a 10nF ceramic capacitor between this pin and ground. This pin is capable to source or sink up to 250uA GNDSENSE INT OVP SHDN ILIM OSC VCC NOSKIP PGOOD LGATE PGND VDR PHASE HGATE BOOT 1 3 2 4 5 6 7 8 9 18 17 16 15 14 13 19 20 10 SS GND 11 12 VREF VFB TSSOP20 INT VSENSE |
Số phần tương tự - L6997DTR |
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Mô tả tương tự - L6997DTR |
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