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| SG723 PRECISION VOLTAGE REGULATOR DESCRIPTION This monolithic voltage regulator is designed for use with either positive or negative supplies as a series, shunt, switching, or floating regulator with currents up to 150mA. Higher current requirements may be accommodated through the use of external NPN or PNP power transistors. This device consists of a temperature compensated reference amplifier, error amplifier, power series pass transistor, current limit, and remote shutdown circuitry. The SG723 will operate over the full military ambient temperature range of -55C to 125C. FEATURES * * * * * * * Positive or negative supply operation Series, shunt, switching or floating operation Low line and load regulation Output adjustable from 2V to 37V Output current to 150 mA Low standby current drain 0.002%/C average temperature variation HIGH RELIABILITY FEATURES - SG723 Available to MIL-STD-883 and DESC SMD MIL-M38510/10201BHA - JAN 723F MIL-M38510/10201BIA - JAN 723T MIL-M38510/10201BCA - JAN723J Radiation data available LMI level "S" processing available BLOCK DIAGRAM 4/90 Rev 1.2 6/97 Copyright (c) 1997 1 11861 Western Avenue Garden Grove, CA 92841 (714) 898-8121 FAX: (714) 893-2570 LINFINITY Microelectronics Inc. SG723 ABSOLUTE MAXIMUM RATINGS (Note 1) Pulse (50 ms) Input Voltage from VIN to V- ......................... 50V Continuous Input Voltage from VIN to V- ............................. 40V Input to Output Voltage Differential .................................... 40V Maximum Output Current .............................................. 150mA Current from VZ (J-Package only)................................... 25 mA Note 1. Exceeding these ratings could cause damage to the device. Current from VREF............................................................... 15mA Operating Junction Temperature Hermetic (T, J, F, L-Packages)..................................... 150C Storage Temperature Range ........................... -65C to 150C Lead Temperature (Soldering, 10 Seconds) ................. 300C THERMAL DATA J Package: Thermal Resistance-Junction to Case, JC .................. 30C/W Thermal Resistance-Junction to Ambient, JA .............. 80C/W T Package: Thermal Resistance-Junction to Case, JC .................. 25C/W Thermal Resistance-Junction to Ambient, JA ........... 130C/W F Package: Thermal Resistance-Junction to Case, JC ................... 80C/W Thermal Resistance-Junction to Ambient, JA ........... 145C/W L Package: Thermal Resistance-Junction to Case, JC .................. 35C/W Thermal Resistance-Junction to Ambient, JA ........... 120C/W Note A. Junction Temperature Calculation: TJ = TA + (PD x JA). Note B. The above numbers for JC are maximums for the limiting thermal resistance of the package in a standard mounting configuration. The JA numbers are meant to be guidelines for the thermal performance of the device/pcboard system. All of the above assume no ambient airflow. RECOMMENDED OPERATING CONDITIONS (Note 2) Input Voltage Range ................................. (VOUT +4.5V) to 38 V Output Current Range ........................................ 5mA to 45mA Reference Current............................................................. 5mA Note 2. Range over which the device is functional. Zener Current (J-Package only)......................................... 5mA Operating Ambient Temperature Range SG723 .......................................................... -55C to 125C ELECTRICAL CHARACTERISTICS (Unless otherwise specified, these specifications apply for the operating ambient temperature of TA = 25C, VIN = VC = 12V, V- = 0V, VOUT = 5V, IL = 1 mA, RSC = 0, C1 = 100pF, and divider impedance as seen by error amplifier 10K. Low duty cycle pulse testing echniques are used which maintains junction and case temperatures equeal to the ambient temperature.) Parameter Input Voltage Range Output Voltage Range Input to Output Differential Line Regulation (Note 3) Test Conditions Min. 9.5 2.0 3.0 Load Regulation (Note 3) Ripple Rejection Temperature Stability (Note 4) Short Circuit Current Limit Reference Voltage Output Noise Voltage VIN = 12V to 15V TA = TMIN to TMAX VIN = 12V to 40V IL = 1 to 50 mA TA = TMIN to TMAX f = 50 Hz to 10KHz CREF = 0 CREF = 5F TA = TMIN to TMAX RSC = 10 BW = 100Hz to 10KHz CREF = 0 CREF = 5F IL = 0, VIN = 30V SG723 Typ. Max. 40 37 38 0.01 0.1 0.3 0.02 0.2 0.03 0.15 0.6 Units V V V %VOUT %VOUT %VOUT %VOUT %VOUT dB dB %/C mA V Vrms Vrms mA %/Khr 74 86 0.002 0.015 65 6.95 7.15 7.35 20 2.5 2.3 0.1 Standby Current Drain Long Term Stability 3.5 Note 3. Applies for constant junction temperature. Temperature drift effects must be taken into account separately when the unit is operating under conditions of high dissipation. Note 4. These parameters, although guaranteed, are not tested in production. 4/90 Rev 1.2 6/97 Copyright (c) 1997 2 11861 Western Avenue Garden Grove, CA 92841 (714) 898-8121 FAX: (714) 893-2570 LINFINITY Microelectronics Inc. SG723 CHARACTERISTIC CURVES FIGURE 1. LOAD REGULATION FIGURE 2. MAXIMUM LOAD CURRENT FIGURE 3. CURRENT LIMITING CHARACTERISTICS FIGURE 4. REGULATION VS. INPUT-OUTPUT VOLTAGE REGULATION FIGURE 5. STANDBY CURRENT DRAIN FIGURE 6. TRANSIENT RESPONSE APPLICATION INFORMATION FIGURE 7 - BASIC LOW VOLTAGE REGULATOR VOUT = 2V TO 7 V FIGURE 8 - BASIC HIGH VOLTAGE REGULATOR VOUT = 7V TO 37 V 4/90 Rev 1.2 6/97 Copyright (c) 1997 3 11861 Western Avenue Garden Grove, CA 92841 (714) 898-8121 FAX: (714) 893-2570 LINFINITY Microelectronics Inc. SG723 APPLICATION INFORMATION (continued) FIGURE 9 - HIGH CURRENT REGULATOR EXTERNAL NPN TRANSISTOR IL = 1.0A FIGURE 10 - NEGATIVE VOLTAGE REGULATOR CONNECTION DIAGRAMS & ORDERING INFORMATION Package 14-PIN CERAMIC DIP J - PACKAGE (See Notes Below) Part No. SG723J/883B JAN723J SG723J Ambient Temperature Range -55C to 125C -55C to 125C -55C to 125C Connection Diagram N.C. CURRENT LIMIT CURRENT SENSE INVERTING INPUT NON-INVERTING INPUT VREF V1 2 3 4 5 6 7 14 13 12 11 10 9 8 N.C. FREQ. COMPENSATION VIN VC VOUT VZ N.C. 10-PIN METAL CAN T - PACKAGE SG723T/883B JAN723T SG723T -55C to 125C -55C to 125C -55C to 125C (Notes 3 & 4) CURRENT LIMIT 10 CURRENT SENSE INVERTING INPUT NON-INVERTING INPUT 2 3 1 9 8 7 FREQ. COMPENSATION VIN VC VOUT VREF 4 5 6 V- 10-PIN CERAMIC FLAT PACK F - PACKAGE JAN723F -55C to 125C (Note 3) CURRENT SENSE INVERTING INPUT NON-INVERTING INPUT VREF V1 2 3 4 5 10 9 8 7 6 CURRENT LIMIT FREQ. COMP. VIN VC VOUT 20-PIN CERAMIC LEADLESS CHIP CARRIER L- PACKAGE SG723L/883B SG723L -55C to 125C -55C to 125C 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. FREQ. COMP. CURRENT LIMIT CURRENT SENSE N.C. INVERTING INPUT N.C. N. I. INPUT VREF N.C. V- 3 2 1 20 19 18 17 16 15 14 4 5 6 7 8 9 10 11 12 13 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. N.C. VZ N.C. VOUT N.C. N.C. N.C. VC N.C. VIN Note 1. Contact factory for JAN and DESC product availablity. 2. All packages are viewed from the top. 4/90 Rev 1.2 6/97 Copyright (c) 1997 Note 3. VZ output is not available in T, F-packages. 4. Pin 5 is connected to case. 4 11861 Western Avenue Garden Grove, CA 92841 (714) 898-8121 FAX: (714) 893-2570 LINFINITY Microelectronics Inc. |
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