LP2951E

MICROCIRCUIT DATA SHEET MJLP2951-X REV 1B1 Original Creation Date: 08/01/95 Last Update Date: 05/19/98 Last Major Revision Date: 01/21/97 ADJUSTABLE MICROPOWER VOLTAGE REGULATORS General Description The LP2951 is a micropower voltage regulator with very low quiescent curent (75 uA typ.) and very low dropout voltage (typ. 40 mV at light loads and 380 mV at 100mA). They are ideally suited for use in battery-powered systems. Furthermore, the quiescent current of the LP2951 increases only slightly in dropout, prolonging battery life. The 8-Lead LP2951 is available in plastic, ceramic dual-in-line, or metal can packages and offers additional system functions. One such feature is an error flag output which warns of a low output voltage, often due to falling batteries on the input. It may be used for a power-on reset. A second feature is the logic-compatible shutdown input which enables the regulator to be switched on and off. Also, the part may be pin-strapped for a 5V output or programmed from 1.24V to 29V with an external pair of resistors. Careful design of the LP2951 has minimized all contributions to the error budget. This includes a tight initial tolerance (.5% typ.), extremely good load and line regulation (.05% typ.) and a very low output voltage temperature coefficient, making the part useful as a low-power voltage reference. Industry Part Number LP2951 NS Part Numbers JL2951BGA* JL2951BPA** JL2951S2A*** JL2951SGA**** JL2951SPA***** Prime Die LP2951 Controlling Document See Features Page 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 MJLP2951-X REV 1B1 MICROCIRCUIT DATA SHEET Features - SMD : 5962-3870501BGA*, BPA**, S2A***, SGA****, SPA*****. 2 MJLP2951-X REV 1B1 MICROCIRCUIT DATA SHEET (Absolute Maximum Ratings) (Note 1) Power Dissipation (Note 2) METAL CAN CERDIP LCC CERAMIC SOIC Lead Temperature (Soldering, 10 seconds) Storage Temperature Range Operating Junction Temp Range LP2951 Input Supply Voltage Feedback Input Voltage (Note 3, 4) -1.5 to +30V Shutdown Input Voltage (Note 3) -0.3 to +30V Error Comparator Out. Voltage (Note 3) -0.3 to +30V Thermal Resistance ThetaJA METAL CAN CERDIP LCC CERAMIC SOIC ThetaJC METAL CAN CERDIP LCC CERAMIC SOIC Package Weight (Typical) ESD Rating 675mW at +25 C 1.0W at +25 C 1.25W at +25 C 1.0W at +25 C 260 C -65 C to +150 C -55 C to +160 C -0.3 to +30V (Still Air (500LF/Min (Still Air (500LF/Min (Still Air (500LF/Min (Still Air (500LF/Min @ 0.5W) Air flow @ 0.5W) Air flow @ 0.5W) Air flow @ 0.5W) Air flow @ 0.5W) @ 0.5W) @ 0.5W) @ 0.5W) 163 95 131 75 95 66 215 130 51 21 24 24 TBD C/W C/W C/W C/W C/W C/W C/W C/W C/W C/W C/W C/W 500V 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 msut 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. May exceed input supply voltage. When used in dual-supply systems where the output terminal sees loads returned to a negative supply, the output voltage should be diode-clamped to ground. Note 2: Note 3: Note 4: 3 MJLP2951-X REV 1B1 MICROCIRCUIT DATA SHEET Electrical Characteristics DC PARAMETERS (The following conditions apply to all the following parameters, unless otherwise specified.) DC: Vout = 5V (Nominal), Cload = 3.3uF, Vsd = 0.6V, Vin = 6V, Il = -100uA SYMBOL Vo PARAMETER Output Voltage CONDITIONS Vin = 6V, Il = -100uA NOTES PINNAME MIN 4.975 4.94 Voline Line Regulation 6V < Vin < 30V, Il = -1mA 6V < Vin < 30V, Il = -1mA Voload Load Regulation -100uA < Il < -100mA, Vin = 6V -100uA < Il < -100mA, Vin = 6V Vd Dropout Voltage Il = -100mA -5 -25 -5 -25 MAX 5.025 5.06 5 25 5 25 450 600 Il = -100uA 80 150 Ig Ground Current Il = -100mA, Vin = 6V 12 14 Il = -100uA, Vin = 6V 120 140 Il = -100uA, Vout = 15V, Vin = 30V 120 140 Il = -100uA, Vin = 30V, Vout = 15V 15 20 Igdiff Ground Current Change Dropout Ground Current Error Comparator Lower Threshold Voltage Error Comparator Upper Threshold Voltage Thermal Regulation Current Limit 6V < Vin < 30V, Il = -100uA 6V < Vin < 30V, Il = -100uA Igdo Vin = 4.5V, Il = -100uA -30 -50 30 50 170 200 Vlt Vin = 6V, Il = -100uA 1 0 0.8 UNIT V V mV mV mV mV mV mV mV mV mA mA uA uA uA uA mA mA uA uA uA uA mV 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 1 2, 3 Vut Vin = 6V, Il = -100uA 1 2 30 mV Vrth Isc Vin = 30V, Il = -50mA, 2mS < T < 10mS Vout = 0V, Vin = 6V -12.5 12.5 200 220 mV mA mA 4 MJLP2951-X REV 1B1 MICROCIRCUIT DATA SHEET Electrical Characteristics DC PARAMETERS(Continued) (The following conditions apply to all the following parameters, unless otherwise specified.) DC: Vout = 5V (Nominal), Cload = 3.3uF, Vsd = 0.6V, Vin = 6V, Il = -100uA SYMBOL Igsc PARAMETER Ground Current At Current Limit Reference Voltage CONDITIONS Vout = 0V, Vin = 6V NOTES PINNAME MIN MAX 20 25 Vref 1.22 1.20 Vrline Reference Voltage Line Regulation Reference Voltage Output Regulation Feedback Pin Bias Current Error Comparator Output Leakage Current Error Comparator Output Low Voltage Shutdown Pin Input Current Vo = 30V 2.3V < Vin < 30V 2.3V < Vin < 30V Vrload 1.2V < Vout < 29V, Vin = 30V 1.2V < Vout < 29V, Vin = 30V Ifb -1.9 -10 -1.2 -5 1.25 1.26 1.9 10 1.2 5 40 60 Ioh 1 2 Vin = 4.5V, Vsd = 2V 250 400 Vsd = 2.4V 50 100 Vsd = 30V 600 750 Vsdl Vsdh Ilkg Shutdown Input Logic Voltage Shutdown Input Logic Voltage Regular Output Bias Current In Shutdown (LOW) (HIGH) Vsd = 2V, Vin = 30V, Il = 0mA 1 1 2 -10 -20 10 20 0.6 UNIT mA mA V V mV mV mV mV nA nA uA uA mV mV uA uA uA uA V V uA uA 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 Vol Isd AC PARAMETERS (The following conditions apply to all the following parameters, unless otherwise specified.) AC: Vin = 6V, Cload = 3.3uF, Vsd = 0.6V Rr Vnoise Ripple Rejection Output Noise f = 120Hz, Vin = 0.1Vrms C1 = 1uF C1 = 3.3uF 50 600 250 dB 4 uVrms 7 uVrms 7 5 MJLP2951-X REV 1B1 MICROCIRCUIT DATA SHEET Electrical Characteristics DC PARAMETERS: DRIFT VALUES (The following conditions apply to all the following parameters, unless otherwise specified.) DC: Vout = 5V (Nominal), Cload = 3.3uF, Vsd = 0.6V, Vin = 6V, Il = -100uA. "Delta calculations performed on JAN S and QMLV devices at group B, subgroup 5 ONLY." SYMBOL Ig Vref PARAMETER Ground Current Reference Voltage Note 1: Parameter tested go-no-go only. CONDITIONS Il = -100uA, Vin = 6V NOTES PINNAME MIN -6.5 MAX 6.5 UNIT uA SUBGROUPS 1 1 -0.005 0.0055 V 5 6 MJLP2951-X REV 1B1 MICROCIRCUIT DATA SHEET Graphics and Diagrams GRAPHICS# 05810HRA2 06059HRA2 06146HRA2 06341HRA1 E20ARE H08CRF J08ARL P000205A P000206A P000251B P000374A WG10ARC DESCRIPTION METAL CAN (H), TO-99, 8LD, .200 DIA P.C. (B/I CKT) CERDIP (J), 8 LEAD (B/I CKT) LCC (E), TYPE C, 20 TERMINAL(B/I CKT) CERPACK (W), 10 LEAD (B/I CKT) LCC (E), TYPE C, 20 TERMINAL(P/P DWG) METAL CAN (H), TO-99, 8LD, .200 DIA P.C. (P/P DWG) CERDIP (J), 8 LEAD (P/P DWG) METAL CAN (H), 8 LEAD (PINOUT) CERDIP (J), 8 LEAD (PINOUT) LCC (E), 20 LEAD (PINOUT) CERAMIC SOIC (WG), 10 LEAD (PINOUT) CERAMIC SOIC (WG), 10 LEAD (P/P DWG) See attached graphics following this page. 7   
 

    
      
  
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          N                N/C OUTPUT N/C INPUT N/C N/C SENSE N/C SHUTDOWN N/C 4 5 6 7 8 3 2 1 20 19 18 17 16 15 14 N/C FEEDBACK N/C 5V TAP N/C 9 10 11 12 13 N/C GND N/C ERROR N/C LP2951E 20 - LEAD LCC CONNECTION DIAGRAM TOP VIEW P000251B N MIL/AEROSPACE OPERATIONS 2900 SEMICONDUCTOR DRIVE SANTA CLARA, CA 95050 OUTPUT SENSE SHUTDOWN GND N/C 1 2 3 4 5 10 9 8 7 6 INPUT FEEDBACK VTAP ERROR N/C LP2951WG 10 - LEAD CERAMIC SOIC CONNECTION DIAGRAM TOP VIEW P000374A MIL/AEROSPACE OPERATIONS 2900 SEMICONDUCTOR DRIVE SANTA CLARA, CA 95050 N MJLP2951-X REV 1B1 MICROCIRCUIT DATA SHEET Revision History Rev 1B1 ECN # Rel Date Originator Barbara Lopez Changes Update MDS: MJLP2951-X Rev. 1A0 to MJLP2951-X Rev. 1B1. Updated SMD number to add suffixes. Updated NSID to add astericks associated with SMD suffix. Updated power dissipation, lead temperature, junction temperature, thermal resistance and ESD rating. Changed note 1 to Absolute note, updated note 2 to power dissipation note. Added graphics for all packages. Added Package Weights. M0002867 05/19/98 8