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IP137AHVIG Datasheet(PDF) 4 Page - Seme LAB |
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IP137AHVIG Datasheet(HTML) 4 Page - Seme LAB |
4 / 4 page IG–Pack Part K–Pack R–Pack G–Pack T–Pack SG–Pack Temp. Number (TO–3) (TO–66) (TO–257) (TO–220) SMD1 Range LM137 ✔✔✔ ✔ -55 to +150°C LM137HV ✔✔✔ ✔ ” LM137A ✔✔✔ ✔ ” LM137AHV ✔✔✔ ✔ ” IP137 ✔✔✔ ✔ -55 to +150°C IP137HV ✔✔✔ ✔ ” IP137A ✔✔✔ ✔ ” IP137AHV ✔✔✔ ✔ ” LM337 ✔✔ 0 to 125°C LM337HV ✔✔ 0 to 125°C IP337 ✔✔ 0 to 125°C IP337HV ✔✔ ” IP337A ✔✔ 0 to 125°C IP337AHV ✔✔ ” Prelim. 7/00 IP137A SERIES IP137A SERIES IP337A SERIES IP337A SERIES LM137A SERIES LM137A 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 R3 1. 5k 1% AD J IP337A V IN V OU T R1 1k 1% R2 1 µF –VOUT SO LID TA NT A LUM 7V * –VIN * R2 = ( ) VOUT 9.08 x 10 -3 – 908 Ω C3 10 µF R2 AD J IP137A V IN V OU T 1N4 0 02 R1 120 Ω –VIN AD J IP137A VIN VOUT 1N4 0 02 2 µF C1 1 µF SO LID TANTA LUM –VOUT1 REG #1 2 µF REG #2 1 µF SO LID TA NTA LU M OUT2 –V AD J IP 137A V IN V OU T 1N4 0 02 2 µF REG #N 1 µF SO LID TA NTA LU M OUT N –V AD J IP3 37A VIN VOUT D2 1N 40 02 –VOUT IN –V R5* * 100 Ω 1% R3 5k 10 µF V IN V OU T AD J IP3 17A R1* * 100 Ω 1% 10 µF 2. 2 µF 2. 2 µF D1 1N 40 02 IN +V +V OUT R2 5k 1% R4 5k 1% AD J VIN VOUT (–) I (+) C1 1 µF SO LID TA NA TALU M IP 337A R S 0.8 Ω ≤ ≤ 250Ω RS I = 65 µA + 1.25 V RS Current Regulator Dual Tracking Supply 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. 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. * Solid Tantalum ** R1 or R5 may be trimmed slightly to improve tracking. Order Information |
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