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TC1266 Scheda tecnica(PDF) 2 Page - Microchip Technology |
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TC1266 Scheda tecnica(HTML) 2 Page - Microchip Technology |
2 / 16 page TC1266 DS21377B-page 2 © 2002 Microchip Technology Inc. 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings* Input Supply Voltage (VIN)..............-0.5V to +7V (Max) Auxiliary Supply Voltage (VAUX) .....-0.5V to +7V (Max) LDO Output Current (IOUT)................................200mA Thermal Impedance, Junction-to-Ambient ( θJA)............130°C/W for SOIC ESD Rating .......................................................... 2 KV Operating Temperature Range (TA)........-5°C to +70°C Storage Temperature Range (TSTG) ...-65°C to +150°C *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 may affect device reliability. TC1266 ELECTRICAL SPECIFICATIONS Electrical Characteristics: TA = +25°C, VIN =5V, VAUX =3.3V, IOUT =0.1mA,COUT =4.7µF, unless otherwise noted. Boldface type specifications apply over full operating temperature range. Symbol Parameter Min Typ Max Units Test Conditions VIN Supply Voltage 4.3 5.0 5.5 VVAUX =0V IGND Ground Current — — 230 260 450 500 µAVAUX =0V (Note 6) VAUX =3.3V (Note 6) IVIN Reverse Leakage from VAUX —-0.1 -1.0 µAVAUX =3.6V, VIN =0V, IOUT =0mA VAUX Supply Voltage 3.0 3.3 3.6 V IQ(AUX) Quiescent Current — — 50 — 70 100 µAVIN =0V, IOUT =0mA — — 60 — 80 120 µAV IN =5V, IOUT=0mA IVAUX Reverse Leakage from VIN —-0.1 -1.0 µAVIN =5,5V, VAUX =0V, IOUT =0mA VTH(LO) 5V Detector Low Threshold Voltage — 3.75 3.90 — — 4.05 VVIN Falling (Notes 2, 3) VHYST 5V Detector Hysteresis Voltage — 200 260 — — 300 mV (Notes 2, 3) VTH(HI) 5V Detector High Threshold Voltage — 4.0 4.15 — — 4.30 VVIN Rising (Notes 2, 3) VOUT LDO Output Voltage — 3.300 — V IOUT =20mA 3.234 — 3.366 4.3V ≤ VIN ≤ 5.5V, 0mA ≤ IOUT ≤ 200mA 3.000 — — 3.75V ≤ VIN ≤ 4.3V, 0mA ≤ IOUT ≤ 200mA (Note 4) IOUT Output Current 200 — — mA REG(LINE) Line Regulation — -0.5 0.05 — — 0.5 %VIN = 4.3V to 5.5V REG(LOAD) Load Regulation — -0.5 0.05 — — 0.5 %IOUT= 0.1mA to 200mA Note 1: Ensured by design. 2: See 5V Detect Thresholds, Figure 4-1. 3: Recommended source impedance for 5V supply: ≤ 0.25Ω. This will ensure that IOUT xRSOURCE <VHYST,thus avoidingDR toggling during 5V detect threshold transitions. 4: In Application Circuit, Figure 3-1. 5: See Timing Diagram, Figure 4-2. 6: Ground Current is independent of ILOAD. |
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