DESCRIPTION The uA723/SA723C is a Monolithic Preci- sion 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. ABSOLUTE MAXIMUM RATINGS FEATURES Positive or negative supply operation e Series, shunt, switching or floating oper- ation .01% line and load regulation e Output voltage adjustable from 2 to 37 volts e Output current to 150mA without exter- nal pass transistor A723 MIL STD 88 3A, B, C available PARAMETER RATING UNIT Pulse voltage from V+ to V- (50 ms) pA723 50 Vv pA723C SA723C Continous voltage from V+ to V- A723 40 v pA723C 40 Vv SA723C 40 Vv Input-output voltage differential 40 Vv Maximum output current pA723 150 mA pA723C 150 mA SA723C 150 mA Current from VRer pA723 15 mA pA723C SA723C Current from Vz pA723 wA723C 25 mA SA723C 25 mA Internal power dissipation! A723 800 mA pA723C 800 mA SA723C 800 mA Operating temperature range pA723 -55 to +125 C uA723C 0 to 70 C SA723C -40 to +85 C Storage temperature range pBAT23 -65 to +150 C pA723C -65 to +150 C SA723C -65 to +150 C Lead temperature pA723 300 C pA723C 300 C SA723C 300 C Siqnttics HAT23/723C/SA723C-F,L,N PIN CONFIGURATION F,N PACKAGE nc] 14] Nc CURRENT Lumut [2 13 | FREQUENCY COMPENSATION CURRENT SENSE [3 | 2] v+ INVERTING INPUT [4 rive NON-INVERTING iNPUT 10] Your Vaer [6 | Ee v-D [3 Nc ORDER PART NOS. yA723N, pA723F, HAT23CN, pA723CF, SA723CF, SA723CN L PACKAGE CURRENT LIMIT FREQUENCY CURRENT SENSE COMPENSATION INVERTING INPUT NON-INVERTING INPUT VREF ORDER PART NOS. yA?723L/yA723CL 155 PRECISION VOLTAGE REGULATOR aA 723/7230/SK7230 EQUIVALENT CIRCUIT VOLTAGE REFERENCE V- AMPLIFIER FREQUENCY COMPENSATION ve Vc TEMPERATURE COMPENSATED _ ZENER INVERTING: INPUT SERIES PASS _ TRANSISTOR POVREF ? oO Vout NON-INVERTING INPUT CURRENT CURRENT UMIT SENSE Vz ERROR CURRENT AMPLIFIER LIMITER DC ELECTRICAL CHARACTERISTICS Tas = 25C unless otherwise specified. uA723/723C/SA723C-F,L,N pA723C/SA723C pA723 PARAMETER TEST CONDITIONS UNIT Min Typ | Max Min Typ | Max Line regulation2 VIN = 12V to Vin = 15V 0.01 0.1 0.01 0.1 %VOUT Vin = 12V to Vin = 40V 0.1 0.5 0.02 0.2 %V OUT Load regulation2 {L = 1mA to IL = 50mA 0.03 0.2 0.03 | 0.15 %VoOUT f = 50Hz to 10kHz, Crer = 0 74 74 dB f = 50Hz to 10kHz, Crer = SuF 86 86 dB Short circuit current limit Rsc = 100, Vout = 0 65 65 mA Reference voltage 6.80 | 7.15| 7.50 | 695] 7.15] 7.35 Vv Output noise voltage BW = 100Hz to 10kHz, Cree =0 20 20 uVrms BW = 100Hz to 10kHz, Crer=5yuF 2.5 2.5 ywVrms Long term stability 0.1 0.1 0.1 %/1000hrs. Standby current drain iL = 0, Vin = 30V 2.3 4.0 2.3 3.5 mA Input voltage range 9.5 40 9.5 40 Vv Output voltage range 2.0 37 2.0 37 Vv Input-output voltage differential 3.0 38 3.0 38 Vv The following specifications apply over the operating temperature ranges Line regulation 0.3 0.3 | %VouT Load regulation 0.6 0.6 %VOUT Average temperature coefficient Vin = 12V to Vin = 15V of output voltage IL = 1mA to IL = 50mMA 0.003} 0.015 0.002} 0.015 | %/C NOTES 1. Vin = V+ = Vo = 12V, V- = OV, Vout = 5V, IL= 1mA, Rgc = 0, 0+ = 100pF, Crer = 0 and divider impedance as seen by error amplifier < 10kQ when connected as shown in Figure 3. 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. 156 Sinotits TYPICAL PERFORMANCE CHARACTERISTICS A723/723C/SA723C-F,L,N MAXIMUM LOAD CURRENT AS A FUNCTION OF INPUT-OUTPUT VOLTAGE DIFFERENTIAL STANDBY CURRENT DRAIN AS A FUNCTION OF INPUT VOLTAGE Tymax = 150 Ryy = 1506 W PSTANDBY = 60mW METAL CAN PACKAGE (NO HEAT SINK} Vout * VREF. =e STANOARD CURRENT mA i, MAK mA Tas +70 Tas tage %0 0 * se Q 9 20 30 40 5c INPUT VOLTAGE - Vv (in - Your) ~ Ne MAXIMUM LOAD CURRENT AS A FUNCTION OF INPUT-OUTPUT VOLTAGE DIFFERENTIAL CURRENT LIMITING CHARACTERISTICS AS A FUNCTION OF JUNCTION TEMPERATURE Tymax * 160C Bry = HPC PSTANDBY = GOmW (NO HEAT SINK) Tas Tas tC Ta> +126C CURRENT LIMIT SENSE VOLTAGE - V LIMITING CURRENT mA IL MAK ~ ma any CURRER SC tan 50 0 +50 +100 +150 0 10 20 30 0 80 JUNCTION TEMPERATURE . C (Vin - Your) - LINE REGULATION AS A FUNCTION OF INPUT-OUTPUT VOLTAGE DIFFERENTIAL LOAD TRANSIENT RESPONSE EGULATION %VQUT LOAD DEVIATION ma te GUTPUT VOLTAGE UEVIATION - mv Win - Yout! - 6 5 6 cy w 45 REGULATION - %Voyr REGULATION % Vout OUTPUT IMPEDANCE $2 LOAD REGULATION CHARACTERISTICS WITH CURRENT LIMITING Vout = 5V. Vin = #12 Rgg = 1002 Ta? 70C Tas 128C 0 20 40 60 80 100 OUTPUT CURRENT - mA LOAD REGULATION CHARACTERISTICS WITHOUT CURRENT LIMITING Your = Vin = 412V Rc - 0 OUTPUT CURRENT .- mA OUTPUT IMPEDANCE AS A FUNCTION OF FREQUENCY 100 tk 70K 100k FREQUENCY = Hz Si}NOtcE 157 TYPICAL PERFORMANCE CHARACTERISTICS (Cont'd) wA723/723C/SA723C-F,L,N OUTPUT VOLTAGE DEVIATION - mv LINE TRANSIENT RESPONSE LOAD REGULATION AS A FUNCTION OF INPUT-OUTPUT VOLTAGE DIFFERENTIAL INPUT VOLTAGE % Wout OUTPUT VOL, INPUT VOLTAGE DEVIATION - VOLTS REGULATION Time vin Your *5 Roe 0 Ta 25 c IL mately, G0 ma 15 25 tin - Your? - CURRENT LIMITING CHARACTERISTICS = 125 2970 a5 =0C 285C RELATIVE OUTPUT VOLTAGE - V Vine *12V Vout * +8 Rgc + 180 0 20 40 60 80 45 OUTPUT CURRENT mA TYPICAL APPLICATIONS LOW VOLTAGE REGULATOR (Vout = 2 TO 7 VOLTS) REGULATED Cree R Vout = | VREF x 2 Ry + Ro Ay R Rg = 2 Ry + Ro for minimum temperature drift NEGATIVE VOLTAGE REGULATOR vin = a ~ 2 v vo As Vrer Vout r or] "1 co. [~-o Ra cs bo pan nw T cy > ve comp Ry os 100 pF > ge REGULATED um OUTPUT Vout = VREF eel: Rg = Rg 2 Ry L_ 158 SAGES TYPICAL APPLICATIONS (Cont'd) uA723/723C/SA723C-F,L.N (Vout = 2 TO 7 VOLTS) REGULATED lkner | OURS | YSENSE (Rg + Fla) | Reg Rg Rego Ra , Ry + Re Vout = ver x a 2 ' VSENSE Rg + Ra SHORT CKT =| SC 4 FOLDBACK CURRENT LIMITING REGULATOR OUTPUT VOLTAGE VOLTS Rg Vsense "KNEE -!SHORTCKT) a 10 20 30 40 50 60 OUTPUT CURRENT IN mA Ra Vout 'sc R VSENSE ts R, sc = 7 a 'sc Ra REMOTE SHUTDOWN REGULATOR WITH CURRENT LIMITING (Vout = 2 TO 7 VOLTS) REGULATED OUTPUT LOGIC INPUT v [v oa | = x out REF Ay + Re HIGH VOLTAGE REGULATOR (Vout = 7 TO 37 VOLTS) REGULATED oureuT Ri + Re Vout * | YVREF X_ 2 Ry Re 3" ATA for minimum temperature drift 1 2 Rig may be eliminated for minimum component count SiNOtCS 159