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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LT1511CSW датащи(PDF) 2 Page - Linear Technology |
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LT1511CSW датащи(HTML) 2 Page - Linear Technology |
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2 / 16 page  2 LT1511 ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION ORDER PART NUMBER LT1511CSW LT1511ISW TJMAX = 125°C, θJA = 30°C/ W** 1 2 3 4 5 6 7 8 9 10 11 12 TOP VIEW SW PACKAGE 24-LEAD PLASTIC SO WIDE 24 23 22 21 20 19 18 17 16 15 14 13 GND** SW BOOST GND** GND** UV GND** OVP CLP CLN COMP1 SENSE GND** GND** VCC1* VCC2* VCC3* PROG VC UVOUT GND** COMP2 BAT SPIN Consult factory for Military grade parts. *ALL VCC PINS SHOULD BE CONNECTED TOGETHER CLOSE TO THE PINS ** ALL GND PINS ARE FUSED TO INTERNAL DIE ATTACH PADDLE FOR HEAT SINKING. CONNECT THESE PINS TO EXPANDED PC LANDS FOR PROPER HEAT SINKING. 30 °C/W THERMAL RESISTANCE ASSUMES AN INTERNAL GROUND PLANE DOUBLING AS A HEAT SPREADER (Note 1) Supply Voltage (VMAX, CLP and CLN Pin Voltage) ...................... 30V Switch Voltage with Respect to GND ...................... – 3V Boost Pin Voltage with Respect to VCC ................... 25V Boost Pin Voltage with Respect to GND ................. 57V Boost Pin Voltage with Respect to SW Pin .............. 30V VC, PROG, OVP Pin Voltage ...................................... 8V IBAT (Average)........................................................... 3A Switch Current (Peak) .............................................. 4A Operating Junction Temperature Range Commercial ........................................... 0 °C to 125°C Industrial ......................................... – 40 °C to 125°C Operating Ambient Temperature Commercial ............................................ 0 °C to 70°C Industrial ........................................... – 40 °C to 85°C Storage Temperature Range ................. – 65 °C to 150°C Lead Temperature (Soldering, 10 sec).................. 300 °C ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 16V, VBAT = 8V, VMAX (maximum operating VCC) = 28V, RS2 = RS3 = 200Ω (see Block Diagram), VCLN = VCC. No load on any outputs unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS Overall Supply Current VPROG = 2.7V, VCC ≤ 20V q 4.5 6.8 mA VPROG = 2.7V, 20V < VCC ≤ 25V q 4.6 7.0 mA Sense Amplifier CA1 Gain and Input Offset Voltage 8V ≤ VCC ≤ 25V , 0V ≤ VBAT ≤ 20V (With RS2 = 200Ω, RS3 = 200Ω)RPROG = 4.93k q 95 100 105 mV (Measured across RS1)(Note 2) RPROG = 49.3k q 810 12 mV TJ < 0°C 7 13 mV VCC = 28V, VBAT = 20V RPROG = 4.93k q 90 110 mV RPROG = 49.3k q 713 mV TJ < 0°C 6 14 mV VCC Undervoltage Lockout (Switch OFF) Threshold Measured at UV Pin q 678 V UV Pin Input Current 0.2V ≤ VUV ≤ 8V q 0.1 5 µA UV Output Voltage at UVOUT Pin In Undervoltage State, IUVOUT = 70µA q 0.1 0.5 V UV Output Leakage Current at UVOUT Pin 8V ≤ VUV, VUVOUT = 5V q 0.1 3 µA Reverse Current from Battery (When VCC Is VBAT ≤ 20V, VUV ≤ 0.4V 3 15 µA Not Connected, VSW Is Floating) |
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