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MC33275 bảng dữ liệu(PDF) 2 Page - ON Semiconductor |
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2 / 12 page MC33275 http://onsemi.com 2 MAXIMUM RATINGS (TA = 25°C, for min/max values TJ = –40°C to +125°C) Rating Symbol Value Unit Input Voltage VCC 13 Vdc Power Dissipation and Thermal Characteristics TA = 25°C Maximum Power Dissipation Case 751 (SOP–8) D Suffix Thermal Resistance, Junction–to–Ambient Thermal Resistance, Junction–to–Case Case 369A (DPAK) DT Suffix Thermal Resistance, Junction–to–Air Thermal Resistance, Junction–to–Case Case 318E (SOT–223) ST Suffix Thermal Resistance, Junction–to–Air Thermal Resistance, Junction–to–Case PD RθJA RθJC RθJA RθJC RθJA RθJC Internally Limited 160 25 92 6.0 245 15 W °C/W °C/W °C/W °C/W °C/W °C/W Output Current IO 300 mA Maximum Junction Temperature TJ 150 °C Operating Junction Temperature Range TJ – 40 to +125 °C Storage Temperature Range Tstg – 65 to +150 °C ELECTRICAL CHARACTERISTICS (CL = 1.0µF, TA = 25°C, for min/max values TJ = –40°C to +125°C, Note 1) Characteristic Symbol Min Typ Max Unit Output Voltage IO = 0 mA to 250 mA 2.5 V Suffix TA = 25°C, Vin = [VO + 1] V 3.0 V Suffix 3.3 V Suffix 5.0 V Suffix 2.5 V Suffix Vin = [VO + 1] V, 0 < IO < 100 mA 3.0 V Suffix 2% Tolerance from TJ = –40 to +125°C 3.3 V Suffix 5.0 V Suffix VO 2.475 2.970 3.267 4.950 2.450 2.940 3.234 4.900 2.50 3.00 3.30 5.00 — — — — 2.525 3.030 3.333 5.05 2.550 3.060 3.366 5.100 Vdc Line Regulation Vin = [VO + 1] V to 12 V, IO = 250 mA, All Suffixes TA = 25°C Regline – 2.0 10 mV Load Regulation Vin = [VO + 1] V, IO = 0 mA to 250 mA, All Suffixes TA = 25°C Regload – 5.0 25 mV Dropout Voltage IO = 10 mA TJ = –40°C to +125°C IO = 100 mA IO = 250 mA IO = 300 mA Vin – VO — — — — 25 115 220 260 100 200 400 500 mV Ripple Rejection (120 Hz) Vin(peak–peak) = [VO + 1.5] V to [VO + 5.5] V — 65 75 — dB Output Noise Voltage CL = 1 mFIO = 50 mA (10 Hz to 100 kHz) CL = 200 mF Vn — — 160 46 — — mVrm s CURRENT PARAMETERS Characteristic Symbol Min Typ Max Unit Quiescent Current On Mode Vin = [VO + 1] V, IO = 0 mA On Mode SAT Vin = [VO – 0.5] V, IO = 0 mA, Note 2 IQ — — 125 1100 200 1500 mA Current Limit Vin = [VO + 1], VO shorted ILIMIT — 450 — mA THERMAL SHUTDOWN Characteristic Symbol Min Typ Max Unit Thermal Shutdown — — 150 — °C NOTE: 1. Low duty pulse techniques are used during test to maintain junction temperature as close to ambient as possible. NOTE: 2. Quiescent Current is measured where the PNP pass transistor is in saturation. Vin = [VO – 0.5] V guarantees this condition. |
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