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| MILITARY DATA SHEET MNLM140LA-15-H REV 0B0 THREE TERMINAL POSITIVE REGULATORS General Description The LM140LA is an improved version of the LM78LXX series with a tighter output voltage tolerance, higher ripple rejection, better regulation and lower quiescent current. The LM140LA regulators have +2% Vout specification, 0.04%/V line regulation, and 0.01%/mA load regulation. When used as a zener diode/resistor combination replacement, the LM140LA usually results in an effective output impedance improvement of two order of magnitude, and lower quiescent current. These regulators can provide local on card regulation, eliminating the distribution problems associated with single point regulation. The voltages available allow the LM140LA to be used in logic systems, instrumentation, and other solid state electronic equipment. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents. With adequate heat sinking the regulator can deliver 100mA output current. Current limiting is included to limit the peak output current to a safe value. Safe area protection for the output transistor is provided to limit internal power dissipation. If internal power dissipation becomes too high for the heat sinking provided, the thermal shut-down circuit takes over, preventing the IC from over-heating. Original Creation Date: 09/07/95 Last Update Date: 12/10/96 Last Major Revision Date: 09/07/95 Industry Part Number LM140LA NS Part Numbers LM140LAH-15/883 Prime Die LM142A 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 MNLM140LA-15-H REV 0B0 MILITARY DATA SHEET Features - Line regulation of 0.04%/V - Load regulation of 0.01%/mA - Output voltage tolerances of +2% at Tj = 25 C and +4% over the temperature range (LM140LA) - Output current of 100 mA - Internal thermal overload protection - Output transistor safe area protection - Internal short circuit current limit 2 MNLM140LA-15-H REV 0B0 MILITARY DATA SHEET (Absolute Maximum Ratings) Input Voltage 35V Internal Power Dissipation Internally Limited Operating Temperature Range -55 C to +125 C Maximum Junction Temperature +150 C Storage Temperature Range -65 C to +150 C Lead Temperature Soldering (10 seconds) Thermal Resistance ThetaJA H-Pkg (Still Air @ 0.5W) H-Pkg (500LF/Min Air flow @ 0.5W ThetaJC H-Pkg (@ 1.0W) ESD Susceptibility (Note 1) +300 C 201 C/W 79 C/W 38 C/W TBD Note 1: Human body model, 100pF discharged through 1.5K Ohms 3 MNLM140LA-15-H REV 0B0 MILITARY DATA SHEET Electrical Characteristics DC PARAMETERS (The following conditions apply to all the following parameters, unless otherwise specified.) DC: Vin = 23V, Il = 40 mA SYMBOL Iq PARAMETER Quiescent Current CONDITIONS NOTES PINNAME MIN MAX 4.5 4.2 Vout Output Voltage Vin = 30V, Il = 5mA Vin = 30V, Il = 100mA Vin = 17.6V, Il = 5mA Vin = 17.6V, Il = 100mA Rload Load Regulation Il = 5mA to 40mA Il = 5mA to 100mA Rline Line Regulation Il = 100mA, 17.3V < Vin < 30V 17.3V < Vin < 30V Delta Iq Quiescent Current Change 5mA < Il < 40mA 14.7 14.4 14.4 14.4 14.4 -50 -100 -70 -70 -0.1 -0.5 15.3 15.6 15.6 15.6 15.6 50 100 70 70 0.1 0.5 UNIT mA mA V V V V V mV mV mV mV mA mA SUBGROUPS 1 2 1 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1 1 1 1 1, 2, 3 1 17.5V < Vin < 35V AC PARAMETERS Rr Ripple Rejection f = 120Hz, ein = 1V(RMS) 47 db 4 DC PARAMETERS: DRIFT VALUES (The following conditions apply to all the following parameters, unless otherwise specified.) DC: Vin = 23V, Il = 40mA. "Deltas not required on B-Level product. Deltas required for S-Level product ONLY as specified on Internal Processing Instructions (IPI)." Iq Vout Quiescent Current Output Voltage -0.9 0.9 V V 1 1 -0.075 0.075 4 |
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