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SPX2702U5 Datasheet(PDF) 3 Page - Sipex Corporation |
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SPX2702U5 Datasheet(HTML) 3 Page - Sipex Corporation |
3 / 11 page Rev. 10/25/00 SPX2700/01/02 ELECTRICAL CHARACTERISTICS at VIN = VO + 5V, IO = 700mA, CO = 22 µF, unless otherwise specified. Limits in Boldface type apply over the entire operating temperature range. All other specifications are TA = 25 °C. Parameter Conditions Typ. SPX2700/01/02A Min Max SPX2700/01/02 Min Max Units Error Comparator Output Leakage Current VOH = 30V 0.01 1.00 2.00 1.00 2.00 µA Output Low Voltage VIN = 4.5V IOL = 400µA 150 250 400 250 400 mV Upper Threshold Voltage (Note 8) 60 40 25 40 25 mV Lower Threshold Voltage (Note 8) 75 95 140 95 140 mV Hysteresis (Note 8) 15 mV Shutdown Input Input Logic Voltage Low (Regulator ON) High (Regulator OFF) 2.0 0.7 2.0 0.7 V Shutdown Pin Input Current VS = 2.4V VS = 30V 30 450 50 100 600 750 90 150 800 1000 µA Regulator Output Current In Shutdown 3 10 20 15 25 µA Note 1: Output or reference voltage temperature coefficients defined as the worst case voltage change divided by the total temperature range. Note 2: Unless otherwise specified all limits are guaranteed for Tj = 25 °C, VIN = 6V, IL = 100µA and CL = 1µF. Additional conditions for the 8-pin versions are feedback tied to 5V tap and output tied to output sense (VOUT = 5V) and VSHUTDOWN ≤ 0.8V. Note 3: Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output voltage due to heating effects are covered under the specification for thermal regulation. Note 4: Line regulation for the SPX2700/01/02 is tested at 150 °C for IL = 1 mA. For IL = 100µA and TJ = 125°C, line regulation is guaranteed by design to 0.2%. See typical performance characteristics for line regulation versus temperature and load current. Note 5: Dropout voltage is defined as the input to output differential at which the output voltage drops 100 mV below its nominal value measured at 1V differential at very low values of programmed output voltage, the minimum input supply voltage of 2V ( 2.3V over temperature) must be taken into account. Note 6: VREF ≤VOUT ≤ (Vin - 1V), 2.3 ≤Vin≤30V, 100µA≤IL≤ 250 mA, TJ ≤ TJMAX. Note 7: Comparator thresholds are expressed in terms of a voltage differential at the feedback terminal below the nominal reference voltage measured at 6V input. To express these thresholds in terms of output voltage change, multiply by the error amplifier gain = VOUT/VREF = (R1 + R2)/R2. For example, at a programmed output voltage of 5V, the Error output is guaranteed to go low when the output drops by 95 mV x 5V/1.235 = 384 mV. Thresholds remain constant as a percent of VOUT as VOUT is varied, with the dropout warning occurring at typically 5% below nominal, 7.5% guaranteed. Note 8: VSHUTDOWN ≥ 2V, VIN ≤ 30V, VOUT =0, Feedback pin tied to 5V Tap. Note 9: The junction -to-ambient thermal resistance of the TO-92 package is 180 °C/ W with 0.4” leads and 160°C/ W with 0.25” leads to a PC board. The thermal resistance of the 8-Pin DIP package is 105 °C/W junction-to-ambient when soldered directly to a PC board. Junction-to-ambient thermal resistance for the SOIC (S) package is 160 °C/W. FEEDBACK INPUT OUTPUT UNREGULATED DC SHUTDOWN GROUND ERROR ______ 5V TAP SENSE 5V @ 700mA MAX TO CMOS OR TTL REFERENCE ERROR DETECTION COMPARATOR ERROR AMPLIFIER 1.23V FROM CMOS OR TTL + + + + + + 60 mV Ω .. 60k 330k 180k Ω .. Ω .. µ .. 1 F _ _ SPX2700/01/02 Block Diagram |
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