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TL1466I 데이터시트(PDF) 6 Page - Texas Instruments |
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TL1466I 데이터시트(HTML) 6 Page - Texas Instruments |
6 / 24 page TL1466I HIGHSPEED/PRECISION SIX CHANNEL SWITCHING REGULATOR CONTROLLER SLVS262 − FEBRUARY 2000 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 absolute maximum ratings over operating free-air temperature (unless otherwise noted)† Supply voltage, VCC (see Note 1) 13 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage, VI at OVP, COMP 13 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Error amplifier input voltage, V(AMP) 13 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output voltage, VO 13 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Peak output sink current, I(SINK) 100 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Peak output source current, I(SOURCE) −0.5 A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous power total dissipation at (or below) 25 °C free-air temperature (see Note 2) 1785 mW . . . . . . . . Operating free-air temperature range, TA −20 °C to 75°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg −65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260 °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. NOTES: 1. All voltages are with respect to GND. 2. Device mounted on a 50 mm × 1.6 mm, fFR4 printed-circuit board. recommended operating conditions MIN NOM MAX UNIT Supply voltage, VCC 2.5 12 V High-level standby input voltage (pin 29, 30), VI(HS) 2 VCC V Low-level standby input voltage (pin 29, 30), VI(LS) 0.4 V Output voltage, VO 12 V Current into feedback terminal, IOAMP Channel 1, 4 −30 A Current into feedback terminal, IOAMP Channel 2, 3, 5, 6 −45 µA Feedback capacitance, C(NF) 0.5 5 100 nF Bootstrap capacitance, C(BOOT) 100 500 pF Bias resistor, R(BIAS) 3 20 k Ω Timing resistor, R(T) 12 100 k Ω Timing capacitor, C(T) 68 1000 pF Oscillator frequency, f(osc) 0.05 0.8 MHz Operating free-air temperature, TA −20 75 °C electrical characteristics over recommended operating free-air temperature range, VCC = 6 V, f = 0.43 MHz (unless otherwise noted) reference section PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Vref Output voltage (pin 27) TA = 25°C, IOR = −1 mA 1.47 1.50 1.53 V R(EGIN) Line regulation VCC = 2.5 V to 12 V, IOR = −1 mA 2 12.5 mV R(EGL) Load regulation IOL = −0.1 mA to −1 mA 1 7.5 mV V(RTC1) Output voltage change with temperature TA = −20°C to 25°C −0.2% ±2% V(RTC2) Output voltage change with temperature TA = 25°C to 75°C −0.2% ±2% IOS Short-circuit output current Vref = 0 V −4 −20 mA |
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