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UC2832-EP Datasheet(PDF) 3 Page - Texas Instruments |
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UC2832-EP Datasheet(HTML) 3 Page - Texas Instruments |
3 / 13 page UC2832-EP PRECISION LOW DROPOUT LINEAR CONTROLLER SGLS147A – JANUARY 2003 – REVISED MARCH 2003 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†‡ VIN supply voltage 40 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Driver output current (sink or source), IO 450 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Driver sink to source voltage 40 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TRC pin voltage –0.3 V to 3.2 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Other input voltages –0.3 V to supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating jucntion temperature range, TJ –55 _C to 150_C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg –65 _C to 150_C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lead temperature soldering 1,6 mm (1/16 inch) from case for 10 seconds 300 _C . . . . . . . . . . . . . . . . . . . . . . . † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. ‡ Unless otherwise indicated, voltages are reference to ground and currents are positive into and negative out of the specified terminals. electrical characteristics, TA = –40_C to 105_C for the UC2832T-EP, +VIN = 15 V, Driver sink = +VIN, C/S(+) voltage = +VIN, and TA = TJ (unless otherwise stated) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Input Supply +VIN = 6 V 6.5 10 Supply current +VIN = 36 V 9.5 15 mA Su ly current Logic Disable = 2 V 3.3 10 mA Reference Section Output voltage IDRIVER =10mA TJ = 25_C 1.98 2 2.02 V Output voltage IDRIVER = 10 mA TJ = Full range 1.96 2 2.04 V Load regulation voltage IOUT = 0 to 10 mA –10 –5 10 mV Line regulation +VIN = 4.5 V to 36 V, IDRIVER = 10 mA 0.033 0.5 mV/V Under-voltage lockout threshold 3.6 4.5 V Logic Disable Input Threshold voltage 1.3 1.4 1.5 V Input bias current Logic Disable = 0 V –5 –1 0.1 µA Current Sense Section Comparator offset TJ = 25_C 95 100 105 mV Comparator offset TJ = Full range 93 100 107 mV VADJ = Open 110 135 170 Amplifier offset VADJ = 1 V 180 235 290 mV Am lifier offset VADJ = 0 V 250 305 360 mV Input bias current VCM = +VIN 65 100 135 µA Input offset current VCM = +VIN –10 10 µA Amplifier CMRR VCM = 4.1 V to +VIN + 0.3 V 80 dB Transconductance ICOMP = "100 µA 65 ms VADJ input current VADJ = 0 V –10 –1 µA |
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