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| IP137A SERIES IP137A SERIES IP337A SERIES IP337A SERIES LM137A SERIES LM137A SERIES 1 1 2 2 3 3 1.5 AMP NEGATIVE ADJUSTABLE VOLTAGE REGULATOR FEATURES * OUTPUT VOLTAGE RANGE OF: 1.25 TO 40V FOR STANDARD VERSION 1.25 TO 50V FOR -HV VERSION * 1% OUTPUT VOLTAGE TOLERANCE Pin 1 - ADJ. Pin 2 - VOUT Case - VIN Pin 1 - ADJ. Pin 2 - VOUT Case - VIN K Package - TO-3 R Package - TO-66 1 2 3 123 * 0.3% LOAD REGULATION * 0.01% / V LINE REGULATION Pin 1 - ADJ. Pin 2 - VIN Pin 3 - VOUT Case - VIN Pin 1 - ADJ. Pin 2 - VIN Pin 3 - VOUT Case - VIN T Package - TO-220 ! G Package - TO-257 * COMPLETE SERIES OF PROTECTIONS: * CURRENT LIMITING * THERMAL SHUTDOWN * SOA CONTROL 123 Pin 1 - ADJ. Pin 2 - VIN Pin 3 - VOUT Pin 1 - ADJ. Pin 2 - VIN Pin 3 - VOUT SG Package - SMD1 CERAMIC SURFACE MOUNT IG Package - TO-257 (Isolated) ABSOLUTE MAXIMUM RATINGS (Tcase = 25C unless otherwise stated) VI-O IO PD Tj Tstg Input - Output Differential Voltage Output Current Power Dissipation Operating Junction Temperature Range Storage Temperature Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk - Standard - HV Series 40V 50V Internally limited Internally limited See Order Information Table -65 to 150C Prelim. 7/00 Semelab plc. IP137A SERIES IP137A SERIES IP337A SERIES IP337A SERIES IP137A , IP137AHV LM137A , LM137AHV Min. Typ. Max. -1.238 -1.220 -1.25 -1.25 0.005 0.010 5 0.1 10 0.2 0.002 60 70 66 80 65 IOUT = 10mA to IMAX 0.2 1.0 2.0 2.5 1.2 1.5 0.24 0.2 2.2 0.4 0.4 0.6 0.3 0.003 2.3 5 3 3 7 5 100 2 5 6 5 3 3.2 1 0.8 1.5 1 VOUT 5V VOUT 5V IOUT = 10mA to IMAX TJ = -55 to 150C Thermal Regulation Ripple Rejection IADJ Adjust Pin Current Adjust Pin Current Change IMIN Minimum Load Current tp = 10ms VOUT = -10V f = 120Hz TJ = -55 to 150C TJ = -55 to 150C VIN - VOUT = 3V to 40V VIN - VOUT = 3V to 50V VOUT 5V VOUT 5V TA = 25C CADJ = 0 CADJ = 10mF TJ = -55 to 150C -1.262 -1.280 0.010 0.030 25 0.5 50 1 0.020 LM137A SERIES LM137A SERIES Parameter Test Conditions IOUT = 10mA IOUT = 10mA to IMAX VIN - VOUT = 3V to VMAX P PMAX TJ = -55 to 150C VIN - VOUT = 3V to VMAX TJ = -55 to 150C IOUT = 10mA to IMAX IP137 , IP137HV LM137 , LM137HV Min. Typ. Max. -1.225 -1.200 -1.25 -1.250 0.010 0.020 15 0.3 20 0.3 0.002 60 66 77 65 0.5 2 3 2.5 1.2 1.5 0.24 0.2 2.2 0.4 0.4 0.6 0.3 0.003 2.3 5 3 3 7 5 1 0.8 100 5 5 6 5 3 3.2 -1.275 -1.300 0.020 0.050 25 0.5 50 1 0.02 Units V V VREF Reference Voltage DVOUT Line Regulation 1 DIOUT DVOUT Load Regulation 1 DIOUT %/V mV % mV % %/W dB dB mA mA DIADJ (HV SERIES) TJ = -55 to 150C VIN - VOUT 40V VIN - VOUT 10V VIN - VOUT 15V ICL Current Limit TJ = -55 to 150C VIN - VOUT = 40V VIN - VOUT = 50V mA A (HV SERIES) DVOUT Temperature TJ = -55 to 150C DTEMP Stability TA = +125C DVOUT Long Term Stability DTIME t = 1000 Hrs en RMS Output Noise (% of VOUT) RqJC Thermal Resistance Junction to Case f = 10 Hz to 10 kHz TA = 25C K Package R Package G Package % % % C/W 1) Regulation is measured at constant junction temperature, using pulse testing at a low duty cycle. Changes in output voltage due to heating effects are covered under thermal regulation specifications. Load regulation is measured at a point 1/8" from the bottom of the package for the TO-3 and TO-66 packages, at the junction of the wide and narrow portion of the output lead for the SMD1 package, and 1/8" below the base of the package on the output pin of the TO-257 package. 2) Test Conditions unless otherwise stated: VIN - VOUT = 5V , IOUT = 0.5A , PMAX = 20W , IMAX = 1.5A VMAX = 40V for standard series , 50V for HV series. Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Prelim. 7/00 IP137A SERIES IP137A SERIES IP337A SERIES IP337A SERIES IP337AHV Min. Typ. Max. -1.238 -1.220 -1.25 -1.25 0.005 0.010 5 0.1 10 0.2 0.002 60 70 66 80 65 IOUT = 10mA to IMAX 0.2 1.0 2.0 2.5 1.2 1.5 0.24 0.2 2.2 0.4 0.4 0.6 0.3 0.003 2.3 4 3 5 100 2 5 6 5 3 3.5 1 0.8 1.5 1 VOUT 5V VOUT 5V IOUT = 10mA to IMAX TJ = 0 to 125C Thermal Regulation Ripple Rejection IADJ Adjust Pin Current Adjust Pin Current Change IMIN Minimum Load Current tp = 10ms VOUT = 10V f = 120Hz TJ = 0 to 125C TJ = 0 to 125C VIN - VOUT = 3V to 40V VIN - VOUT = 3V to 50V VOUT 5V VOUT 5V TA = 25C CADJ = 0 CADJ = 10mF TJ = 0 to 125C -1.262 -1.280 0.010 0.030 25 0.5 50 1 0.020 LM137A SERIES LM137A SERIES Parameter Test Conditions IOUT = 10mA IOUT = 10mA to IMAX VIN - VOUT = 3V to VMAX P PMAX TJ = 0 to 125C VIN - VOUT = 3V to VMAX TJ = 0 to 125C IOUT = 10mA to IMAX IP337HV LM337HV Min. Typ. Max. -1.213 -1.200 -1.25 -1.250 0.010 0.020 15 0.3 20 0.3 0.003 60 66 77 65 0.5 2 3 2.5 1 1.5 0.15 0.1 2.2 0.4 0.4 0.6 0.3 0.003 2.3 4 3 1 0.8 100 5 5 6 10 6 3.5 -1.287 -1.300 0.040 0.070 50 1 70 1.5 0.04 Units V V VREF Reference Voltage DVOUT Line Regulation 1 DIOUT DVOUT Load Regulation 1 DIOUT %/V mV % mV % %/W dB dB mA mA DIADJ (HV SERIES) TJ = 0 to 125C VIN - VOUT 40V VIN - VOUT 10V VIN - VOUT 15V ICL Current Limit TJ = 0 to 125C VIN - VOUT = 40V VIN - VOUT = 50V mA A (HV SERIES) DVOUT Temperature TJ = 0 to 125C DTEMP Stability DVOUT Long Term Stability t = 1000 Hrs DTIME en RqJC RMS Output Noise (% of VOUT) Junction to Case f = 10 Hz to 10 kHz TA = 25C T Package % % % C/W Thermal Resistance K Package 1) Regulation is measured at constant junction temperature, using pulse testing at a low duty cycle. Changes in output voltage due to heating effects are covered under thermal regulation specifications. Load regulation is measured at a point 1/8" from the bottom of the package for the TO-3 and TO-66 packages, at the junction of the wide and narrow portion of the output lead for the SMD1 package, and 1/8" below the base of the package on the output pin of the TO-257 package. 2) Test Conditions unless otherwise stated: VIN - VOUT = 5V , IOUT = 0.5A , PMAX = 20W , IMAX = 1.5A VMAX = 40V for standard series , 50V for HV series. Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Prelim. 7/00 IP137A SERIES IP137A SERIES IP337A SERIES IP337A SERIES APPLICATIONS INFORMATION High Stability Regulator The output stability, load regulation, line regulation, thermal regulation, temperature drift, long term drift, and noise, can be improved by a factor of 6.6 over the standard regulator configuration. This assumes a zener has 20PPM/C maximum drift and about 10 times lower noise than the regulator. LM137A SERIES LM137A SERIES Multiple Tracking Regulators In the application shown below, regulator #2 to "N" will track regulator #1 to within 24mV initially, and to 60mV over all load, line, and temperature conditions. If any regulator output is shorted to ground, all other outputs will drop to -2V. Load regulation of regulators 2 to "N" will be improved by VOUT / 1.25V compared to a standard regulator, so regulator #1 should be the one which has the lowest load current. 2 F R3 1 .5 k 1% R1 1k 1% 1F SO LID TANT ALUM C3 1 0F R2 C1 1F SO LID TAN TALU M R 2* 7V AD J VIN -VIN VOU T VIN AD J VOU T R EG #1 1 N4 0 0 2 R1 1 20 * R2 = IP337A ( VO U T ) - 908 9.08 x 10 -3 -VO U T -VIN -VO U T1 IP137A IP3 17A VIN +VIN ADJ R1* * 1 00 1% 2 F AD J VOU T +VO U T VIN VOU T R EG #2 1 N4 0 0 2 1F SO LID TANTA LU M -VO U T2 IP137A 2. 2 F D1 1N40 02 1 0F R2 5k 1% 2 F R3 5k AD J VIN VOU T R EG #N 1 N4 0 0 2 1F SO LID TANTA LU M 1 0F R4 5k 1% 2. 2 F D2 1N40 02 -VO UT N I P 13 7 A R5* * 1 00 1% ADJ VIN -VIN VOU T -VO U T C1 1 F AD J (-) VIN VOU T SO LID TANA TALU M IP3 37A * Solid Tantalum ** R1 or R5 may be trimmed slightly to improve tracking. RS I (+) IP337A I = 65A + 1.25 V RS 0.8 R S 250 Dual Tracking Supply Current Regulator Order Information Part Number LM137 LM137HV LM137A LM137AHV IP137 IP137HV IP137A IP137AHV LM337 LM337HV IP337 IP337HV IP337A IP337AHV K-Pack (TO-3) R-Pack (TO-66) IG-Pack G-Pack T-Pack (TO-257) (TO-220) SG-Pack Temp. SMD1 Range -55 to +150C " " " -55 to +150C " " " 0 to 125C 0 to 125C 0 to 125C " 0 to 125C " Prelim. 7/00 Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk |
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