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TC1173-2.5VOA Datasheet(PDF) 2 Page - TelCom Semiconductor, Inc |
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TC1173-2.5VOA Datasheet(HTML) 2 Page - TelCom Semiconductor, Inc |
2 / 7 page 2 TC1173 300mA CMOS LDO With Shutdown, ERROR Output, And Bypass TC1173-2 2/2/00 ABSOLUTE MAXIMUM RATINGS* Input Voltage .............................................................. 6.5V Output Voltage ........................... (VSS – 0.3) to (VIN + 0.3) Power Dissipation .................... Internally Limited (Note 7) 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 Lead Temperature (Soldering, 10 Sec.) ................ +300 °C *Absolute Maximum Ratings indicate device operation limits beyond dam- age may occur. Device operation beyond the limits listed in Electrical Characteristics is not recommended. ELECTRICAL CHARACTERISTICS: VIN = VOUT + 1V, IL = 0.1µA, CL = 3.3µF, SHDN > VIH, TA = 25°C, unless otherwise noted. BOLDFACE type specifications apply for junction temperatures of – 40 °C to +125°C Symbol Parameter Test Conditions Min Typ Max Units VIN Input Operating Voltage — — 6.0 V IOUTMAX Maximum Output Current 300 —— mA VOUT Output Voltage Note 1 — VR ± 0.5% — V VR - 2.5% VR + 2.5% ∆VOUT/∆TVOUT Temperature Coefficient Note 2 — — — ppm/ °C 40 ∆VOUT/∆VIN Line Regulation (VR + 1V) < VIN < 6V — 0.05 0.35 % ∆VOUT/VOUT Load Regulation IL = 0.1mA to IOUTMAX (Note 3) — 0.5 2.0 % VIN – VOUT Dropout Voltage (Note 4) IL = 0.1mA — 20 30 mV IL = 100mA 80 160 IL = 300mA 240 480 ISS1 Supply Current SHDN = VIH —50 90 µA ISS2 Shutdown Supply Current SHDN = 0V — 0.05 0.5 µA PSRR Power Supply Rejection Ratio FRE ≤ 1kHz — 60 — dB IOUTSC Output Short Circuit Current VOUT = 0V — 550 650 mA ∆VOUT∆PD Thermal Regulation Note 5 — 0.04 — V/W eN Output Noise F = 1kHz, COUT = 1µF, — 260 — nV/ √Hz RLOAD = 50Ω SHDN Input VIH SHDN Input High Threshold 45 —— %VIN VIL SHDN Input Low Threshold — — 15 %VIN ERROR Output VMIN Minimum Operating Voltage 1.0 — — V VOL Output Logic Low Voltage 1mA Flows to ERROR — — 400 mV VTH ERROR Threshold Voltage — 0.95 x VR —V VOL ERROR Positive Hysteresis Note 7 — 50 — mV NOTES: 1. VR is the user-programmed regulator output voltage setting. 2. TC VOUT = (VOUTMAX – VOUTMIN) x 10 6 VOUT x ∆T 3. Regulation is measured at a constant junction temperature using low duty cycle pulse testing. Load regulation is tested over a load range from 0.1mA to the maximum specified output current. Changes in output voltage due to heating effects are covered by the thermal regulation specification. 4. Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value measured at a 1V differential. 5. 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 ILMAX at VIN = 6V for T = 10msec. 6. The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction temperature, and the thermal resistance from junction-to-air (i.e. TA, TJ, θJA). Exceeding the maximum allowable power dissipation causes the device to initiate thermal shutdown. Please see Thermal Considerations section of this data sheet for more details. 7. Hysteresis voltage is referenced to VR. |
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