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| MICROCIRCUIT DATA SHEET MJLM140-24-K REV 0B0 VOLTAGE REGULATOR, +24 VOLTS AT 1A General Description The LM140 monolithic 3-terminal positive voltage regulators employ internal current limiting, thermal shutdown and safe-area compensation, making them essentially indestructible. If adequate heat sinking is provided, they can deliver over 1.0A output current. They are intended as fixed voltage regulators in a wide range of applications including local (on-card) regulation for elimination of noise and distribution problems associated with single-point regulation. In addition to use as fixed voltage regulators, these devices can be used with external components to obtain adjustable output voltages and currents. Considerable effort was expended to make the entire series of regulators easy to use and minimize the number of external components. It is not necessary to bypass the output, although this does improve transient response. Input bypassing is needed only if the regulator is located far from the filter capacitor of the power supply. Original Creation Date: 05/18/95 Last Update Date: 02/17/97 Last Major Revision Date: 05/18/95 Industry Part Number LM140 NS Part Numbers JL140K-24BYA Prime Die LM140 Controlling Document 38510/10709(CIRCUIT A) REV C 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 MJLM140-24-K REV 0B0 MICROCIRCUIT DATA SHEET Features Complete specifications at 1A load Internal thermal overload protection Internal short-circuit current limit Output transistor safe area protection 2 MJLM140-24-K REV 0B0 MICROCIRCUIT DATA SHEET (Absolute Maximum Ratings) (Note 1) DC Input Voltage 40V Internal Power Dissipation (Note 2) Internally Limited Maximum Junction Temperature 150 C Storage Temperature Range -65 C to +150 C Lead Temperature 300 C ESD Susceptibility (Note 3) 2KV Note 1: Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Conditions are conditions under which the device functions but the specification might not be guaranteed. For guaranteed specifications and test conditions see the Electrical Characteristics. The Maximum allowable power dissipation at any ambient temperature is a function of the maximum junction temperature for operation (TjMAX = 150 C), the junction-to-ambient thermal resistance (ThetaJA), and the ambient temperature (TA). PDMAX = (TjMAX - TA)/ThetaJA. If this dissipation is exceeded, the die temperature will rise above TjMAX and the electrical specifications do not apply. If the die temperature rises above 150 C, the device will go into thermal shutdown. The junction-to-ambient thermal resistance (ThetaJA) is 39 C/W. When using a heatsink, ThetaJA is the sum of the 4 C/W junction-to-case thermal resistance (ThetaJC) and the case-to-ambient thermal resistance (ThetaCA) of the heatsink. Human body model, 100pF discharged through 1.5K Ohms Note 2: Note 3: Recommended Operating Conditions (Note 1) Temperature Range (TA) (Note 2) -55 C to +125 C Note 1: Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Conditions are conditions under which the device functions but the specification might not be guaranteed. For guaranteed specifications and test conditions see the Electrical Characteristics. The Maximum allowable power dissipation at any ambient temperature is a function of the maximum junction temperature for operation (TjMAX = 150 C), the junction-to-ambient thermal resistance (ThetaJA), and the ambient temperature (TA). PDMAX = (TjMAX - TA)/ThetaJA. If this dissipation is exceeded, the die temperature will rise above TjMAX and the electrical specifications do not apply. If the die temperature rises above 150 C, the device will go into thermal shutdown. The junction-to-ambient thermal resistance (ThetaJA) is 39 C/W. When using a heatsink, ThetaJA is the sum of the 4 C/W junction-to-case thermal resistance (ThetaJC) and the case-to-ambient thermal resistance (ThetaCA) of the heatsink. Note 2: 3 MJLM140-24-K REV 0B0 MICROCIRCUIT DATA SHEET Electrical Characteristics DC PARAMETERS SYMBOL Vout (1) PARAMETER Output Voltage CONDITIONS Vin = 28V, Il = -5mA Vin = 28V, Il = -1A Vin = 38V, Il = -5mA Vin = 38V, Il = -1A Vin = 40V, Il = -5mA Vin = 40V, Il = -0.1A VRLINE Line Regulation 28V < Vin < 40V, Il = -0.1A 28V < Vin < 38V, Il = -0.5A VRLOAD Load Regulation Vin = 30V, -1A < Il < -5mA Vin = 40V, -0.1A < Il < -5mA ISCD Stand by Current Drain Vin = 30V, Il = -5mA Vin = 40V, Il = -5mA Delta ISCD (LINE) Delta ISCD (LOAD) Iol Ios Stand by Current Drain vs. Line Voltage Stand by Current Drain vs. Load Current Overload Current Output Short Circuit Current 28V < Vin < 40V, Il = -5mA NOTES PINNAME MIN 22.80 22.80 22.80 22.80 22.80 22.80 -720 -240 -480 -720 -7 -8 -1 MAX 25.20 25.20 25.20 25.20 25.20 25.20 720 240 480 720 -0.5 -0.5 1 UNIT V V V V V V mV mV mV mV mA mA mA SUBGROUPS 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 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 2 -1A < Il < -5mA, Vin = 30V -0.5 0.5 mA Forced Delta/Vout = -2.28V, Vin = 28V Vin = 30V Vin = 35V -4 -2.5 -2 1 22.56 -1 -0.02 A A -0.005 A 25.44 V Vout (2) Output Voltage Vin = 30V, Il = -5mA 4 MJLM140-24-K REV 0B0 MICROCIRCUIT DATA SHEET Electrical Characteristics DC/AC PARAMETERS SYMBOL Vout NO Delta Vout/ Delta Il Delta Vout/Delta Vin Delta Vout/ Delta T PARAMETER Output Voltage Output Noise Voltage Transient Load Response Transient Line Response Average Temperature Coefficient Output Voltage Ripple Rejection CONDITIONS Vin = 30V, Il = -5mA Vin = 30V, Il = -0.1A Delta Il = -400mA, Vin = 30V, Il = -100mA Vin = 30V, VPulse = 3V, Il = -5mA NOTES 2 PINNAME MIN 22.80 MAX 25.20 500 2.5 UNIT V SUBGROUPS 7, 8A, 8B uVrms 7 mV/mA 7 30 mV/V 7 25 C < TA < +125 C, Vin = 30V, Il = -5mA -55 C < TA < 25 C, Vin = 30V, Il = -5mA Vin = 30V, ei = 1Vrms at f = 2400Hz, Il = -350mA 3 3 -6 -6 50 6 6 mV/C 8A mV/C 8B dB 4 Delta Vin/Delta Vout 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 = 28V, Il = -5mA Vin = 28V, Il = -1A Vin = 38V, Il = -5mA Vin = 38V, Il = -1A Vin = 40V, Il = -5mA Vin = 40V, Il = -0.1A ISCD Stand by Current Drain Note 1: Note 2: Note 3: Vin = 30V, Il = -5mA -0.120 0.120 -0.120 0.120 -0.120 0.120 -0.120 0.120 -0.120 0.120 -0.120 0.120 -20 20 V V V V V V % 1 1 1 1 1 1 1 Tested at TA = +125 C, correlated to TA = +150 C. Tested at extremes as a set up for Delta Vout/Delta T tests. Calculated parameter. For calculations use Vout at Vin = 30V, Il = -5mA 5 MJLM140-24-K REV 0B0 MICROCIRCUIT DATA SHEET Graphics and Diagrams GRAPHICS# 9482HRA1 K02CRC P000031A DESCRIPTION METAL CAN(KA),TO-3,2LD,LOW PROFILE (B/I CKT) METAL CAN(KA),TO-3,2LD,LOW PROFILE (P/P DWG) METAL CAN(KA),TO-3,2LD,LOW PROFILE(PIN OUT) See attached graphics following this page. 6 |
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