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| S5JLM2931 100mA CMOS Elektronische Bauelemente Low Dropout Adjustable Voltage Regulator RoHS Compliant Product Description The S5JLM2931 positive voltage regulator features a very low quiescent current of 1mA or less when supplying 10mA loads. This unique characteristic and the extremely low input-output differential required for proper regulation (0.2V for output current of 10mA) make the S5JLM2931 the ideal regulator for standbe power system. Applications include memory standby circuits, COMS and other low power processor power supplies as well as systems demanding as much as 100mA of output current. Designed originally for automotive applications, the S5JLM2931 and all regulated circuitry are protected from reverse battery installations or 2 battery jumps. During line transients, such as a load dump (60V) when the input voltage to the regulator can momentarily exceed the specified max. operating voltage, the regulator will automatically shut down to protect both internal circuits and the load. The S5JLM2931 cannot be harmed by temporary mirror-image insertion. Familiar regulator features such as short circuit and thermal overload protection are also provided. Features * 60V Load Dump Protection * Internal Current Limiting With Thermal Shutdown REF. A B C D P S * Input-to-Output Voltage Differential Of Less Then 0.6V at 100mA * Temporary Mirror-Image Protection * -50V Reverse Transient Protection Millimeter Min. Max. 6.35 6.73 5.21 5.46 9.40 10.20 2.40 3.00 1.27 REF. 0.50 0.80 REF. G H J K L M Millimeter Min. Max. 0.45 0.60 2.20 2.40 0.46 0.58 0 0.15 0.90 1.50 5.40 5.59 Typical Applications S5JLM2931 VOUT=VREF*(1+R2/R1)+IADJ*R2 http://www.SeCoSGmbH.com/ Any changing of specification will not be informed individual 01-Jun-2002 Rev. A Page 1 of 4 S5JLM2931 Elektronische Bauelemente 100mA CMOS Low Dropout Adjustable Voltage Regulator Absolute Maximum Ratings Parameter Input Voltage Input Voltage t Output Current Storage Temperature Junction Temperature Resistance Junction-Ambient 100ms Symbol VI VI(T) IO TSTG Tj RJA Ratings -15~40 -50~60 100 -60~+150 -40~+125 102 Unit V V mA o o o C C C /W Electrical Characteristics VIN=14V, VOUT=3V, IO=10mA, TJ=25 : , Ci=0.1uF, Co=100uF, R1=27k (unless otherwise specified) Parameter Reference voltage Output voltage Line regulation Load regulation Consumption current Adjustment current Dropout voltage Symbol VREF Conditions IO=10mA IO 100mA, -40 : TJ 125 : Measure from VOUT to Adj Pin Min 1.14 1.08 3 0.1 26 -0.3 2.5 - Typ 1.20 Max 12.6 1.32 Unit V V V mV/V % mA uA V m /V mV/V %/V %/1000hr VOUT RegLine VOUT+0.6V VIN 26V RegLoad 5mA IO 100mA IO=10mA IB IO=100mA Output is "off" (Vth(OI)=2.5V) IAdj Vds IO=10mA IO=100mA IO=1mA, f=10Hz~100kHz f=10Hz~100kHz f=120Hz 6 0.2 40 140 0.4 - Output Impedance ZO Noise voltage on output Vn Pulse-smoothing ratio RR Temporary unstability of S of output voltage Maximum input voltage Vth(OV) threshold Output voltage at -VO VIN=-15V negative input voltage Output is "ON" Voltage threshold of Vth(OI) disconnection output Output is "OFF" Disconnection output Ith(OI) Vth(OI)=2.5V current 24 1.5 1.0 1.0 1.0 0.2 0.6 40 1.9 50 V V V 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 normal voltage 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 usung 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 max. 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-of-peak input ripple voltage to the peak-of-peak output ripple voltage at a specified frequency. http://www.SeCoSGmbH.com/ Any changing of specification will not be informed individual 01-Jun-2002 Rev. A Page 2 of 4 S5JLM2931 100mA CMOS Elektronische Bauelemente Low Dropout Adjustable Voltage Regulator Typical Performance Characteristics ht tp://www.SeCoSGmbH.com/ Any changing of specification will not be informed individual 01-Jun-2002 Rev. A Page 3 of 4 S5JLM2931 100mA CMOS Elektronische Bauelemente Low Dropout Adjustable Voltage Regulator http://www.SeCoSGmbH.com/ Any changing of specification will not be informed individual 01-Jun-2002 Rev. A Page 4 of 4 |
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