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TPS5102 Datasheet(PDF) 7 Page - Texas Instruments |
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TPS5102 Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 34 page  TPS5102 DUAL, HIGH-EFFICIENCY CONTROLLER FOR NOTEBOOK PC POWER SLVS239 - SEPTEMBER 1999 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range, VCC = 7 V (unless otherwise noted) reference voltage PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Vref Reference voltage TA = 25°C, Ivref = 50 µA 1.167 1.185 1.203 V Vref Reference voltage Ivref = 50 µA 1.155 1.215 V Regin Line regulation Vcc = 4.5, 25V, I = 50 µA 0.2 12 mV Regl Load regulation I = 0.1 µA to 1 mA 0.5 10 mV quiescent current PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Icc Operating current without switching Both STBY > 2.5 V, No switching, Vin = 4.5 – 25 V 0.6 1.5 mA Iccs Stand-by current Both STBY < 0.5 V, Vin = 4.5 – 25 V 1 1000 nA oscillator PARAMETER TEST CONDITIONS MIN TYP MAX UNIT fosc Frequency PWM operation 500 kHz RT Timing resistor 56 k Ω fdv fosc change Vcc = 4.5 V to 25 V 0.1% fdt fosc change TA = -40°C to 85°C 2% V H H level output voltage DC, includes internal comparator error 1 1.1 1.2 V VoscH H-level output voltage Fosc = 200 kHz, Includes internal comparator error 1.17 V V L L level output voltage Includes internal comparator error 0.4 0.5 0.6 V VoscL L-level output voltage Fosc = 200 kHz, Includes internal comparator error 0.43 V error amp PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Vio Input offset voltage TA = 25°C ±2 ±10 mV Av Open-loop voltage gain 50 dB GB Unity-gain bandwidth 0.8 MHz Isnk Output sink current Vo = 0.4 V 30 45 µA Isrc Output source current Vo = 1 V 300 µA skip comparator PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Vhys† Hysteresis window 6 9.5 13 mV Vhoff Offset voltage 2 mV Ihbias Bias current 10 pA TLHT Propagation delay‡ from INV to OUTxU TTL input signal 0.7 µs TLH 10 mV overdrive on hysteresis band signal 1.2 µs † Vhys is assured by design. ‡ The total delay in the table includes the driver delay. |
Similar Part No. - TPS5102_08 |
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Similar Description - TPS5102_08 |
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