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| MICROCIRCUIT DATA SHEET MJLM117-K REV 0B0 Original Creation Date: 06/27/95 Last Update Date: 03/31/97 Last Major Revision Date: 06/27/95 POSITIVE THREE TERMINAL ADJUSTABLE VOLTAGE REGULATOR General Description The LM117 adjustable 3-terminal positive voltage regulator is capable of supplying in excess of 1.5A over a 1.2V to 37V output range. It is exceptionally easy to use and requires only two external resistors to set the output voltage. Further, both line and load regulation are better than standard fixed regulators. In addition to higher performance than fixed regulators, the LM117 offers full overload protection available only in IC's. Included on the chip are current limit, thermal overload protection and safe area protection. All overload protection circuitry remains fully functional even if the adjustment terminal is diconnected. Normally, no capacitors are needed unless the device is situated more than 6 inches from the input filter capacitors in which case an input bypass is needed. An optional output capacitor can be added to improve transient response. The adjustment terminal can be bypassed to achieve very high ripple rejection ratios which are difficult to achieve with standard 3-terminal regulators. Besides replacing fixed regulators, the LM117 is useful in a wide variety of other applications. Since the regulator is "Floating" and sees only the input-to-output differential voltage, supplies of several hundred volts can be regulated as long as the maximum input to output differential is not exceeded, (i.e., avoid short-circuiting the output). For applications requiring greater output current, see LM150 (3A) and LM138 (5A) data sheets. For the negative complement, see LM137 data sheet. Industry Part Number LM117K NS Part Numbers JL117BYA JL117SYA Prime Die LM117K Controlling Document 38510/11704,AMEND.3 REV A Processing MIL-STD-883, Method 5004 Subgrp Description 1 2 3 4 5 6 7 8A 8B 9 10 11 Static tests at Static tests at Static tests at Dynamic tests at Dynamic tests at Dynamic tests at Functional tests at Functional tests at Functional tests at Switching tests at Switching tests at Switching tests at Temp ( oC) +25 +125 -55 +25 +125 -55 +25 +125 -55 +25 +125 -55 Quality Conformance Inspection MIL-STD-883, Method 5005 1 MJLM117-K REV 0B0 MICROCIRCUIT DATA SHEET Features Guaranteed 1.5A output current Adjustable output down to 1.2V Current limit constant with temperature 80 dB ripple rejection Output is short-circuit protected 2 MJLM117-K REV 0B0 MICROCIRCUIT DATA SHEET (Absolute Maximum Ratings) (Note 1) Power Dissipation (Note 2) Internally Limited Input-Output Voltage Differential +40V, -0.3V Maximum Junction Temperature 150 C Storage Temperature Range -65 C to +150 C Lead Temperature (Soldering, 10 seconds) 300 C Thermal Resistance ThetaJA (Still Air) (500LF/Min Air flow) ThetaJC ESD Tolerance (Note 3) 38 C/W TBD 3 C/W 3kV Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test conditions. The maximum power dissipation must be derated at elevated temperatures, and is dictated by Tjmax (maximum junction temperature), ThetaJA (package junction to ambient thermal resistance), and TA (ambient temperature). The maximum allowable power dissipation at any temperature is Pdmax = (Tjmax - TA)/ThetaJA or the number given in the Absolute Maximum Ratings, whichever is lower. Human body model, 1.5K Ohms in series with 100pF. Note 2: Note 3: Recommended Operating Conditions Operating Temperature Range -55 C < TA < +125 C 3 MJLM117-K REV 0B0 MICROCIRCUIT DATA SHEET Electrical Characteristics DC PARAMETERS SYMBOL Vout PARAMETER Output Voltage CONDITIONS Vin = 4.25V, Il = -5mA Vin = 4.25V, Il = -1.5A Vin = 41.25V, Il = -5mA Vin = 41.25V, Il = -200mA Vrline Line Regulation 4.25V < Vin < 41.25V, Il = -5mA 4.25V < Vin < 41.25V, Il = -5mA Vrload Load Regulation Vin = 6.25V, -1.5A < Il < -5mA Vin = 6.25V, -1.5A < Il < -5mA Vin = 41.25V, -200mA < Il < -5mA Vin = 41.25V, -200mA < Il < -5mA Vrth Iadj Thermal Regulation Adjust Pin Current Vin = 14.6V, Il = -1.5A Vin = 4.25V, Il = -5mA Vin = 41.25V, Il = -5mA Delta Iadj/Line Delta Iadj/Load Ios Adjust Pin Current Change Adjust Pin Current Change Output Short Circuit Current 4.25V < Vin < 41.25V, Il = -5mA Vin = 6.25V, -1.5A < Il < -5mA Vin = 4.25V Vin = 40V Vout (Recov) Output Voltage Recovery Vin = 4.25V, Rl = 0.833 Ohms, Cl = 20uF Vin = 40V, Rl = 250 Ohms Iq Minimum Load Current Vin = 4.25V, Forced Vout = 1.4V Vin = 14.25V, Forced Vout = 1.4V Vin = 41.25V, Forced Vout = 1.4V Vstart Voltage Start-Up Vin = 4.25V, Rl = 0.833 Ohms, Cl=20uF, Il = -1.5A NOTES PINNAME MIN 1.2 1.2 1.2 1.2 -9 -23 -3.5 -12 -3.5 -12 -12 -100 -100 -5 -5 -3.5 -1 1.2 1.2 -3 -3 -5 1.2 MAX 1.3 1.3 1.3 1.3 9 23 3.5 12 3.5 12 12 -15 -15 5 5 -1.5 -0.18 1.3 1.3 -0.2 -0.2 -0.2 1.3 UNIT V V V V mV mV mV mV mV mV mV uA uA uA uA A A V V mA mA mA V SUBGROUPS 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1 2, 3 1 2, 3 1 2, 3 1 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 4 MJLM117-K REV 0B0 MICROCIRCUIT DATA SHEET Electrical Characteristics DC PARAMETERS(Continued) SYMBOL Vout PARAMETER Output Voltage CONDITIONS Vin = 6.25V, Il = -5mA NOTES 1 PINNAME MIN 1.2 MAX 1.3 UNIT V SUBGROUPS 2 AC PARAMETERS Vno DeltaVout/ DeltaVin DeltaVout/ Delta Il Delta Vin/Delta Vout Output Noise Voltage Line Transient Response Load Transient Response Ripple Rejection Vin = 6.25V, Il = -100mA Vin = 6.25V, Delta Vin = 3V, Il = -10mA Vin = 6.25V, Delta Il = -400mA, Il = -100mA Vin = 6.25V, ei = 1Vrms at f = 2400Hz, Il = -500mA 2 3 65 120 18 120 uVrms 7 mV mV dB 7 7 4 DC PARAMETERS: DRIFT VALUES (The following conditions apply to all the following parameters, unless otherwise specified.) DC: "Delta calculations performed on JAN S and QMLV devices at group B, subgroup 5 ONLY". Vout Output Voltage Vin = 4.25V, Il = -5mA Vin = 4.25V, Il = -1.5A Vin = 41.25V, Il = -5mA Vin = 41.25V, Il = -200mA Vrline Iadj Line Regulation Adjust Pin Current Note 1: Note 2: Note 3: 4.25V < Vin < 41.25V, Il = -5mA Vin = 4.25V, Il = -5mA Vin = 41.25V, Il = -5mA Tested at TA = +125 C, correlated to TA = +150 C. S/S limit of 6mV/V is equivalent to 18mV. S/S limit of .3mV/V is equivalent to 120mV. -0.01 -0.01 -0.01 -0.01 -4 -10 -10 0.01 0.01 0.01 0.01 4 10 10 V V V V mV uA uA 1 1 1 1 1 1 1 5 MJLM117-K REV 0B0 MICROCIRCUIT DATA SHEET Graphics and Diagrams GRAPHICS# 9757HRE2 K02CRD DESCRIPTION METAL CAN (KA), TO-3, 2LD, LOW PROFILE (B/I CKT) METAL CAN (KA), TO-3, 2LD,LOW PROFILE (P/P DWG) See attached graphics following this page. 6 |
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