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TC2055-2.85VCTTR Folha de dados(PDF) 3 Page - Microchip Technology |
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TC2055-2.85VCTTR Folha de dados(HTML) 3 Page - Microchip Technology |
3 / 22 page © 2009 Microchip Technology Inc. DS21663D-page 3 TC2054/2055/2186 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings † Input Voltage ......................................................... 6.5V Output Voltage ............................... (-0.3) to (VIN + 0.3) Operating Temperature .................. -40°C < TJ< 125°C Storage Temperature ......................... -65°C to +150°C Maximum Voltage on Any Pin ........ VIN +0.3V to -0.3V † Notice: Stresses above 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 above those indicated in the operation sections of the specifications is not implied. Exposure to Absolute Maximum Rating conditions for extended periods my affect device reliability. ELECTRICAL SPECIFICATIONS Electrical Specifications: Unless otherwise noted, VIN = VR + 1V, IL = 100 µA, CL = 3.3 µF, SHDN > VIH, TA = +25°C. BOLDFACE type specifications apply for junction temperature of -40°C to +125°C. Parameter Sym Min Typ Max Units Conditions Input Operating Voltage VIN 2.7 — 6.0 V Note 1 Maximum Output Current IOUTMAX 50 — — mA TC2054 100 — — TC2055 150 — — TC2186 Output Voltage VOUT VR - 2.0% VR ± 0.4% VR + 2.0% V Note 2 VOUT Temperature Coefficient TCVOUT — 20 — ppm/°C Note 3 —40 — Line Regulation ΔV OUT/ ΔV IN — 0.05 0.5 % (VR + 1V) < VIN < 6V Load Regulation ΔV OUT/ VOUT -1.0 0.33 +1.0 % TC2054;TC2055 IL = 0.1 mA to IOUTMAX -2.0 0.43 +2.0 TC2186 IL = 0.1 mA to IOUTMAX Note 6 Dropout Voltage, Note 7 VIN – VOUT —2 — mV IL = 100 µA —45 70 IL = 50 mA — 90 140 TC2015; TC2185 IL = 100 mA — 140 210 TC2185 IL = 150 mA Note 7 Supply Current IIN — 55 80 µA SHDN = VIH, IL=0 Shutdown Supply Current IINSD — 0.05 0.5 µA SHDN = 0V Power Supply Rejection Ratio PSRR — 50 — dB FRE ≤ 100 kHz Output Short Circuit Current IOUT SC 160 300 — mA VOUT = 0V Note 1: The minimum VIN has to meet two conditions: VIN = 2.7V and VIN = VR + VDROPOUT. 2: VR is the regulator output voltage setting. For example: VR = 1.8V, 2.7V, 2.8V, 2.85V, 3.0V, 3.3V. 3: TCVOUT = 4: 5: 6: Regulation is measured at a constant junction temperature using low duty cycle pulse testing. Load regulation is tested over a load range from 1.0 mA to the maximum specified output current. Changes in output voltage due to heating effects are covered by the thermal regulation specification. 7: Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value at a 1V differential. 8: Thermal Regulation is defined as the change in output voltage at a time T after a change in power dissipation is applied, excluding load or line regulation effects. Specifications are for a current pulse equal to IMAX at VIN = 6V for T = 10 ms. 9: The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction tem- perature and the thermal resistance from junction-to-air (i.e. TA, TJ, θJA). 10: Hysteresis voltage is referenced by VR. 11: Time required for VOUT to reach 95% of VR (output voltage setting), after VSHDN is switched from 0 to VIN. V OUTMAX V OUTMIN – () 10 6 × V OUT ΔT × ----------------------------------------------------------------------------------------- |
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