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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LT3093 датащи(PDF) 5 Page - Analog Devices |
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LT3093 датащи(HTML) 5 Page - Analog Devices |
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5 / 32 page  LT3093 5 Rev. 0 For more information www.analog.com PARAMETER CONDITIONS MIN TYP MAX UNITS Reference Current RMS Output Noise (Notes 9, 12) BW = 10Hz to 100kHz 8 nARMS Ripple Rejection –18V ≤ VOUT ≤ –1.5V VIN – VOUT = 2V (Avg) (Notes 9, 12) VRIPPLE = 500mVP-P, fRIPPLE = 120Hz, ILOAD = –200mA, COUT = 4.7µF, CSET = 4.7µF VRIPPLE = 500mVP-P, fRIPPLE = 10kHz, ILOAD = –200mA, COUT = 4.7µF, CSET = 0.47µF VRIPPLE = 500mVP-P, fRIPPLE = 100kHz, ILOAD = –200mA, COUT = 4.7µF, CSET = 0.47µF VRIPPLE = 500mVP-P, fRIPPLE = 1MHz, ILOAD = –200mA, COUT = 4.7µF, CSET = 0.47µF VRIPPLE = 500mVP-P, fRIPPLE = 10MHz, ILOAD = –200mA, COUT = 4.7µF, CSET = 0.47µF 108 94 75 74 45 dB dB dB dB dB Ripple Rejection –1.5V ≤ VOUT ≤ 0V VIN – VOUT = 2V (Avg) (Notes 9, 12) VRIPPLE = 500mVP-P, fRIPPLE = 120Hz, ILOAD = –200mA, COUT = 4.7µF, CSET = 4.7µF VRIPPLE = 500mVP-P, fRIPPLE = 10kHz, ILOAD = –200mA, COUT = 4.7µF, CSET = 0.47µF VRIPPLE = 500mVP-P, fRIPPLE = 100kHz, ILOAD = –200mA, COUT = 4.7µF, CSET = 0.47µF VRIPPLE = 500mVP-P, fRIPPLE = 1MHz, ILOAD = –200mA, COUT = 4.7µF, CSET = 0.47µF VRIPPLE = 500mVP-P, fRIPPLE = 10MHz, ILOAD = –200mA, COUT = 4.7µF, CSET = 0.47µF 108 90 72 78 45 dB dB dB dB dB EN/UV Pin Threshold Positive EN/UV Trip Point Rising (Turn-On), VIN = –2.3V Negative EN/UV Trip Point Rising (Turn-On), VIN = –2.3V l l 1.20 –1.33 1.26 –1.26 1.35 –1.20 V V EN/UV Pin Hysteresis Positive EN/UV Trip Point Hysteresis, VIN = –2.3V Negative EN/UV Trip Point Hysteresis, VIN = –2.3V 200 215 mV mV EN/UV Pin Current VEN/UV = 0V, VIN = –20V VEN/UV = –1.5V, VIN = –20V VEN/UV = –20V, VIN = –20V VEN/UV = 1.5V, VIN = –20V VEN/UV = 20V, VIN = 0V l l l –1 –35 –0.5 –18.5 8 25 1 45 µA µA µA µA µA Quiescent Current in Shutdown (VEN/UV = 0V) VIN = –6V, VPG = Open l 3 8 10 µA µA Internal Current Limit (Note 14) VIN = –2.3V, VOUT = 0V VIN = –12V, VOUT = 0V VIN = –20V, VOUT = 0V l l 220 20 400 240 50 80 mA mA mA Programmable Current Limit Programming Scale Factor: –20V < VIN < –2.3V (Note 13) VIN = –2.3V, VOUT = 0V, RILIM = 7.5kΩ VIN = –2.3V, VOUT = 0V, RILIM = 37.5kΩ l l 1.95 260 55 A • kΩ mA mA PGFB Trip Point PGFB Trip Point Rising l 288 300 312 mV PGFB Hysteresis PGFB Trip Point Hysteresis 7 mV PGFB Pin Current VIN = –2.3V, VPGFB = –300mV 30 100 nA PG Output Low Voltage IPG = 100µA l 17 50 mV PG Leakage Current VPG = 20V l 1 µA VIOC Amplifier Gain –20V ≤ VIN ≤ –2.3V, VOUT ≤ –1.5V 1 V/V VIOC Sink Current VIN – VOUT = –2V, VVIOC = –1V l 100 µA VIOC Voltage for Low Output Voltages (Note 15) VIN = –2.3V, VOUT > –1.5V –0.8 V Minimum Load Current (Note 16) VOUT > –1.5V l 10 µA Thermal Shutdown TJ Rising Hysteresis 167 8 °C °C Start-Up Time RSET = 49.9k, VOUT(NOM) = –5V, ILOAD = –200mA, CSET = 0.47µF, VIN = –6V, VPGFB = –6V RSET = 49.9k, VOUT(NOM) = –5V, ILOAD = –200mA, CSET = 4.7µF, VIN = –6V, VPGFB = –6V RSET = 49.9k, VOUT(NOM) = –5V, ILOAD = –200mA, CSET = 4.7µF, VIN = –6V, RPG1 = 50kΩ, RPG2 = 700kΩ (with Fast Start-Up to 90% of VOUT) 55 550 10 ms ms ms Thermal Regulation 10ms Pulse –0.01 %/W ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3) |
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