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GSCLM2931 Datasheet(PDF) 2 Page - E-Tech Electronics LTD |
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GSCLM2931 Datasheet(HTML) 2 Page - E-Tech Electronics LTD |
2 / 4 page GSCLM2931 Page: 2/4 ISSUED DATE :2006/03/24 REVISED DATE : Absolute Maximum Ratings Parameter Symbol Ratings Unit Input Voltage Vi -15 ~ 40 V Input Voltage t 100ms Vi(t) -50 ~ 60 V Output Current IO 100 mA Storage Temperature TSTG -60 ~ +150 : Junction Temperature TJ -40 ~ +125 : Resistance Junction-Ambient R JA 160 : /W Electrical Characteristics VIN=14V, VOUT=3V, IO=10mA, TJ=25 : , Ci=0.1uF, Co=100uF, R1=27k (unless otherwise specified) Parameter Symbol Conditions Min Typ Max Unit IO=10mA 1.14 1.20 12.6 V Reference voltage VREF IO 100mA, -40 : TJ 125 : Measure from VOUT to Adj Pin 1.08 1.32 V Output voltage VOUT 3 24 V Line regulation RegLine VOUT+0.6V VIN 26V - - 1.5 mV/V Load regulation RegLoad 5mA IO 100mA - - 1.0 % IO=10mA - - 1.0 IO=100mA - 6 - Consumption current IB Output is “off” (Vth(OI)=2.5V) - - 1.0 mA Adjustment current IAdj - 0.2 - uA Dropout voltage Vds IO=10mA IO=100mA - - 0.2 0.6 V Output Impedance ZO IO=1mA, f=10Hz~100kHz - 40 - m /V Noise voltage on output Vn f=10Hz~100kHz - 140 - mV/V Pulse-smoothing ratio RR f=120Hz 0.1 - - %/V Temporary unstability of output voltage S - 0.4 - %/1000hr Maximum input voltage threshold Vth(OV) 26 - 40 V Output voltage at negative input voltage -VO VIN=-15V -0.3 - - V Output is “ON” - - 1.9 Voltage threshold of disconnection output Vth(OI) Output is “OFF” 2.5 - - V Disconnection output current Ith(OI) Vth(OI)=2.5V - - 50 uA Definition of Terms Dropout Voltage: The input-output voltage differential at which the circuit ceases to regulate against further reduction in input voltage. Measured when the output voltage has dropped 100mV from the nominal value obtained at 14V input, dropout voltage is dependent upon load current and junction temperature. Input Voltage: The DC voltage applied to the input terminals with respect to ground. Input-Output Differential: The voltage difference between the unregulated input voltage and the regulated output voltage for which the regulator will operate. Line Regulation: The change in output voltage for a change in the input voltage. The measurement is made under conditions of low dissipation or by using pulse techniques such that the average chip temperature is not significantly affected. Load Regulation: The change in output voltage for a change in load current at constant chip temperature. Long Term Stability: Output voltage stability under accelerated life-test conditions after 1000 hours with maximum rate voltage and junction temperature. Output Noise Voltage: The rms AC voltage at the output, with constant load and no input ripple, measured over a specified frequency range. Quiescent Current: That part of the positive input current that does not contribute to the positive load current. The regulator ground lead current. Ripple Rejection: The ratio of the peak-to-peak input ripple voltage to the peak-to-peak output ripple voltage at a specified frequency. |
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