Philips Semiconductors Product specification A723/723C Precision voltage regulator DESCRIPTION PIN CONFIGURATION The A723/A723C is a monolithic precision voltage regulator capable of operation in positive or negative supplies as a series, shunt, switching, or floating regulator. The 723 contains a temperature-compensated reference amplifier, error amplifier, series pass transistor, and current limiter, with access to remote shutdown. D,F, N Packages NC 1 14 NC CURRENT LIMIT 2 13 FREQUENCY COMPENS. CURRENT SENSE 3 12 V+ INVERTING INPUT 4 11 V C NON-INVERTING INPUT 5 FEATURES * Positive or negative supply operation * Series, shunt, switching, or floating operation * 0.01% line and load regulation * Output voltage adjustable from 2V to 37V * Output current to 150mA without external pass transistor * A723 MIL-STD-883A, B, C available 10 V OUT VREF 6 9 7 8 V- VZ NC SL00503 Figure 1. Pin Configuration ORDERING INFORMATION DESCRIPTION TEMPERATURE RANGE ORDER CODE -55C to 125C A723F 0581B 14-Pin Plastic Dual In-Line Package (DIP) 0 to 70C A723CN SOT27-1 14-Pin Plastic Small Outline (SO) Package 0 to 70C A723CD SOT108-1 14-Pin Ceramic Dual In-Line Package (CERDIP) DWG # EQUIVALENT CIRCUIT FREQUENCY COMPENSATION 12 V+ 13 11 VIN VC TEMPERATURE COMPENSATED ZENER VREF INVERTING INPUT 4 SERIES PASS TRANSISTOR - ERROR AMP 8 10 + VOUT NON INVERTING INPUT VOLTAGE REFERENCE AMPLIFIER 7 2 CURRENT LIMIT V- 3 CURRENT SENSE 9 VZ SL00504 Figure 2. Equivalent Circuit 1994 Aug 31 1 853-1063 13721 Philips Semiconductors Product specification A723/723C Precision voltage regulator ABSOLUTE MAXIMUM RATINGS SYMBOL RATING UNIT Pulse voltage from V+ to V- (50ms) 50 V Continuous voltage from V+ to V- 40 V Input-output voltage differential 40 V VDIFF Error amplifier maximum input differential voltage 5 V VCM Error amplifier non-inverting input (Pin 5) to -V (Pin 7) 8 V IOUT Maximum output current 150 mA Current from VREF 15 mA Current from VZ 25 mA F package 1190 mW N package 1420 mW D package PMAX PARAMETER Maximum power dissipation TA=25C (still-air)1 1040 mW Operating ambient temperature range A723 A723C -55 to +125 0 to 70 C C TSTG Storage temperature range -65 to +150 C TSOLD Lead soldering temperature (10sec max) 300 C TA NOTES: 1. The following derating factors should be applied above 25C F package at 9.5mW/C N package at 11.4mW/C D package at 8.3mW/C 1994 Aug 31 2 Philips Semiconductors Product specification A723/723C Precision voltage regulator DC ELECTRICAL CHARACTERISTICS TA=25C, unless otherwise specified.1 SYMBOL VR LINE VR LOAD PARAMETER Line regulation2 Load regulation2 A723 TEST CONDITIONS Min A723C Typ Max VIN=12V to VIN=15V 0.01 VIN=12V to VIN=40V 0.02 Min Typ Max 0.1 0.01 0.1 0.2 0.1 0.5 0.15 0.03 0.2 IL=1mA to IL=50mA 0.03 f=50Hz to 10kHz, CREF=0 74 74 f=50Hz to 10kHz, CREF=5F 86 86 RSC=10, VOUT=0 65 65 VIN/ VO Ripple Rejection IOS Short-circuit current VREF Reference voltage IREF=0.1mA VREF (LOAD) Reference voltage change with load IREF=0.1mA to 5mA VNOISE Output noise voltage S Long-term stability ISCD Standby current drain VIN Input voltage range 9.5 40 VOUT Output voltage range 2.0 37 VDIFF Input-output voltage differential 3.0 38 6.95 7.15 7.35 6.80 7.15 20 BW=100Hz to 10kHz, CREF=0 20 20 BW=100Hz to 10kHz, CREF=5F 2.5 2.5 0.1 0.1 Tj=Tjmax. TA=25C for end point measurment IL=0, VIN=30V 2.3 3.5 2.3 UNITS %VOUT %VOUT dB mA 7.50 V 20 mV VRMS %1000 hrs. 4.0 mA 9.5 40 V 2.0 37 V 3.0 38 V The following specifications apply over the operating temperature ranges. VR LINE Line regulation VIN=12V to VIN=15V 0.3 0.3 %VOUT VR LOAD Load regulation IL=1mA to IL=50mA 0.6 0.6 %VOUT TC Average temperature coefficient of output voltage 0.015 %/C 0.002 0.015 0.003 NOTES: 1. VIN=V+=VC=12V, V-=0V, VOUT=5V, IL=1mA, RSC=0, C1=100pF, CREF=0 and divider impedance as seen by error amplifier10k. 2. The load and line regulation specifications are for constant junction temperature. Temperature drift effects must be taken into account separately when the unit is operating under conditions of high dissipation. 1994 Aug 31 3 Philips Semiconductors Product specification A723/723C Precision voltage regulator TYPICAL PERFORMANCE CHARACTERISTICS Maximum Load Current as a Function of Input-Output Voltage Differential Standby Current Drain as a Function of Input Voltage 200 5.0 TA = 0C TA = +25C 3.0 I LMAX -- mA 2.0 120 TA = +25C TA = 70C TA = +125C 80 TA = +70C 1.0 40 TA = +125C 0 10 20 30 40 50 0 10 20 INPUT VOLTAGE -- V 30 LIMIT CURRENT RSC = 10 120 0.5 80 LIMIT CURRENT RSC = 5 40 0.3 TA = 0C -0.3 0 50 TA = 70C TA = +125C 80 40 -0.05 10 20 30 40 50 0 -8.0 5 15 25 TIME -- s 35 45 100 10 RSC = 0 TA = +25C VIN = +3V IIL = 1mA +0.2 +0.1 0 1.0 VO = +5V VIN = +12V RSC = 0 TA = +25C IIL = 50mA C1 = 0 C1 = 1F 0.1 -0.1 -0.2 -5 5 15 25 35 45 (VIN - VOUT) -- V Figure 3. Typical Performance Characteristics 1994 Aug 31 80 Output Impedance as a Function of Frequency OUTPUT IMPEDANCE -- REGULATION -- % V OUT LOAD DEVIATION - mA OUTPUT VOLTAGE DEVIATION -- mV VOUT = 5V VIN = +12V IL = 40mA RSC = 0 60 OUTPUT CURRENT -- mA VOUT = +5V +10 0 -5 TA = +25C T A = 0C 40 20 TA = +125C TA = +55C -0.15 +0.3 -4.0 TA = 70C -0.1 Line Regulation as a Function of Input-Output Voltage Differential OUTPUT VOLTAGE 100 VOUT = 5V VIN = +12V RSC = 0 (VIN - VOUT) -- V Load Transient Response 80 -0.2 0 0 60 0 0 +150 LOAD CURRENT 40 Load Regulation Characteristics Without Current Limiting TA = +25C JUNCTION TEMPERATURE -- C 4.0 20 OUTPUT CURRENT -- mA RTH = 111C/W PSTANDBY = 60mW DIP PACKAGE (NO HEAT SINK) 120 0 +100 -0.2 +0.05 160 I LMAX -- mA 160 +50 TA = +25C TA = +70C TA = +125C -0.1 TJMAX = 150C LIMITING CURRENT -- mA 0.7 0 40 200 200 SENSE VOLTAGE -50 TA = -55C Maximum Load Current as a Function of Input-Output Voltage Differential 0.8 0.4 0 (VIN - VOUT) -- V Current Limiting Characteristics as a Function of Junction Temperature 0.6 RSC = 10 -0.4 0 0 REGULATION -- % V OUT STANDBY CURRENT 160 TA = -55C VOUT = 5V, VIN = +12V RTH = 150C/W PSTANDBY = 60mW METAL CAN PACKAGE (NO HEAT SINK) REGULATION -- % V OUT IL = 0 4.0 +0.1 TJMAX = 150C VOUT = VREF CURRENT LIMIT SENSE VOLTAGE -- V Load Regulation Characteristics with Current Limiting 4 .01 100 1k 10k 100k FREQUENCY -- Hz 1M SL00505 Philips Semiconductors Product specification A723/723C Precision voltage regulator TYPICAL PERFORMANCE CHARACTERISTICS (Continued) Load Regulation as a Function of Input-Output Voltage Differential 2.0 0 OUTPUT VOLTAGE 0 -2.0 -6.0 45 -4.0 -5 5 15 25 35 Current Limiting Characteristics +0.2 VO = +5V VIN = +12V RSC = 0 TA = +25C IIL = mA TO IL = 50mA +0.1 0 1.2 OUTPUT VOLTAGE DEVIATION -- V INPUT VOLTAGE REGULATION -- %VOUT 4.0 INPUT VOLTAGE DEVIATION - VOLTS OUTPUT VOLTAGE DEVIATION -- mV Line Transient Response 0.1 -0.2 1.0 0.6 0.4 TIME -- s 5 15 25 35 VO = +5V VIN = +12V RSC = 10 0.2 0 -0.3 -5 TA = +125C TA = +70C TA = +25C TA = 0C TA = -55C 0.8 0 45 (VIN - VOUT) -- V 20 40 60 80 100 OUTPUT CURRENT -- mA SL00506 Figure 4. Typical Performance Characteristics (cont.) TYPICAL APPLICATIONS VIN V+ R2 V+ VC VOUT VREF RSC CL R1 CREF R2 VOUT R4 CS N.I. V- COMP C1 R3 INV COMP R1 C1 100pF 100pF NOTES: V OUT R3 V REF x R2 R1 R2 NOTE: V OUT V REF 2 x REGULATED OUTPUT R1 R2 ; R3 R4 R1 R1 R2 for minimum temperature drift R1 R2 Low Voltage Regulator (VOUT = 2 to 7V) Negative Voltage Regulator Figure 5. Typical Applications 1994 Aug 31 T1 CL R3 INV R5 VZ REGULATED OUTPUT CS N.I. VC VREF 5 SL00507 Philips Semiconductors Product specification A723/723C Precision voltage regulator TYPICAL APPLICATIONS (Continued) VIN VIN V+ VC VREF RSC V+ REGULATED OUTPUT VOUT VC VOUT VREF CL R1 CS R2 2k C1 INV N.I. R3 V- COMP R4 Q1 V- V OUT V REF x R2 R1 R2 R1 COMP LOGIC INPUT 2k R2 C1 1nF NOTE: REGULATED OUTPUT CS INV N.I. RSC CL R3 NOTE: V OUT R3 V REF x 100pF R2 ; R3 R4 R1 R2 R1 R2 for minimum temperature drift R1 R2 R3 may be eliminated for minimum component count Remote Shutdown Regulator With Current Limiting (VOUT = 2 to 7V) High Voltage Regulator (VOUT = 7 to 37V) VIN VREF RSC REGULATED OUTPUT VOUT VZ OUTPUT VOLTAGE DEVIATION -- V 16 VC R3 CL R1 CS INV N.I. COMP V- R2 R4 C1 1nF RSC = 3.4 R4 = 3.6k R3 = 500 14 12 IKNEE 10 8 6 4 2 ISHORT 0 0 10 20 R V (R 3 R 4) OUT 3 SENSE R R4 R R SC SC 4 V KNEE V OUT V REF X V I SHORT CKT 50 60 R1 R2 R4 NOTES: R4 R3 R3 R4 SENSE X R R4 SC V V I OUT SC - 1 (I KNEE - I ) SENSE SHORT CKT V R SC SENSE I SC Foldback Current Limiting Regulator (VOUT = 2 to 7V) Figure 6. Typical Applications (cont.) 1994 Aug 31 40 OUTPUT CURRENT -- mA NOTES: I 30 6 1 R3 R4 SL00508