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UC1637-SP Datasheet(PDF) 3 Page - Texas Instruments |
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UC1637-SP Datasheet(HTML) 3 Page - Texas Instruments |
3 / 11 page UC1637-SP www.ti.com SLUS950 – FEBRUARY 2010 ELECTRICAL CHARACTERISTICS over operating free-air temperature range, VS = 15 V, –VS = –15 V, +VTH = 5 V, –VTH = –5 V, RT = 16.7 kΩ, CT = 1500 pF, TA = –55°C to 125°C = TJ (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OSCILLATOR TJ = 25°C 9.4 10 10.6 Initial accuracy(1) kHz TJ = –55°C to 125°C 9.2 10.8 VS = ±5 V to ±20 V, +VTH = 3 V, Voltage stability 5 7 % -VTH = –3 V Temperature stability Over operating range 0.5 % +VTH CT = 6 V –10 0.1 10 Input bias current mA –VTH CT = 0 V –10 –0.5 Input range (+VTH, –VTH) –VS+2 +VS-2 V ERROR AMPLIFIER Input offset voltage VCM = 0 V 1.5 ±5 mV Input bias current VCM = 0 V 0.5 5 mA Input offset current VCM = 0 V 0.1 ±1 mA Common mode range VS = ±2.5 V to ±20 V –VS+2 +VS V Open loop volage gain RL = 10k 75 100 dB Slew rate 15 V/ms Unity gain bandwidth 1 MHz CMRR Over common mode range 75 100 dB PSRR VS = ±2.5 V to ±20 V 75 110 dB Output sink current E/AOUTPUT = 0 V 20 50 mA Output source current E/AOUTPUT = 0 V –11 –5 mA High level output voltage 13 13.6 V Low level output voltage –14.8 –13 V PWM COMPARATORS Input offset voltage VCM = 0 V –10 20 50 mV Input bias current VCM = 0 V 2 10 mA Input Hysteresis VCM = 0 V 10 30 mV Common mode range VS = ±5 V to ±20 V –VS+1 +VS-2 V CURRENT LIMIT VCM = 0 V, TJ = 25°C 190 200 210 Input offset voltage mV VCM = 0 V, TJ = –55°C to 125°C 160 370 Input offset voltage T.C. –0.2 mV/°C Input bias current –10 –1.5 mA Common mode range VS = ±2.5 V to ±20 V –VS +VS-3 V SHUTDOWN Shutdown threshold(2) –2.7 –2.5 –2.3 V Hysteresis 40 mV Input bias current SHUTDOWN = +VS to –VS –10 –0.5 mA UNDER-VOLTAGE LOCKOUT Start threshold(3) 4.15 5 V Hysteresis 75 250 500 mV TOTAL STANDBY CURRENT Supply current 8.5 15 mA (1) RT and CT referenced to ground. (2) Parameter measured with respect to +VS (Pin 6). (3) Parameter measured at +VS (Pin 6) with respect to -VS (Pin 5). Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): UC1637-SP |
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