Maker : Texas Instruments
Part No. : LM337Y

  Datasheet PDF : LM337Y.pdf
  Cross Reference : LM337Y Cross Reference
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Product Information

LM237, LM337 3-TERMINAL ADJUSTABLE REGULATORS SLVS047C – NOVEMBER 1981 – REVISED JULY 1999 D D D D D D D Output Voltage Range Adjustable From –1.2 V to – 37 V Output Current Capability of 1.5 A Max Input Regulation Typically 0.01% Per Input-Voltage Change Output Regulation Typically 0.3% Peak Output Current Constant Over Temperature Range of Regulator Ripple Rejection Typically 77 dB Direct Replacement for National Semiconductor LM237 and LM337 KC PACKAGE (TOP VIEW) OUTPUT INPUT ADJUSTMENT The INPUT terminal is in electrical contact with the mounting base. TO-220AB O I A description The LM237 and LM337 are adjustable 3-terminal negative-voltage regulators capable of supplying in excess of – 1.5 A over an output voltage range of –1.2 V to – 37 V. They are exceptionally easy to use, requiring only two external resistors to set the output voltage and one output capacitor for frequency compensation. The current design has been optimized for excellent regulation and low thermal transients. In addition, the LM237 and LM337 feature internal current limiting, thermal shutdown, and safe-area compensation, making them virtually immune to failure by overloads. The LM237 and LM337 serve a wide variety of applications, including local on-card regulation, programmable output-voltage regulation, and precision current regulation. The LM237 is characterized for operation over the virtual junction temperature range of –25°C to 150°C. The LM337 is characterized for operation over the virtual junction temperature range of 0°C to 125°C. AVAILABLE OPTIONS PACKAGED DEVICES TJ HEAT-SINK MOUNTED (KC) LM237KC LM337KC PLASTIC FLANGE MOUNTED (KTE) LM237KTE LM337KTE CHIP FORM (Y) — LM337Y KTE PACKAGE (TOP VIEW) OUTPUT INPUT ADJUSTMENT The INPUT terminal is in electrical contact with the mounting base. O I A – 25°C to 150°C 0°C to 125°C The KTE package is only available taped and reeled. Add the R suffix to the device type (e.g., LM237KTER). Chip forms are tested at 25°C. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Copyright © 1999, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1 LM237, LM337 3-TERMINAL ADJUSTABLE REGULATORS SLVS047C – NOVEMBER 1981 – REVISED JULY 1999 schematic diagram ADJUSTMENT OUTPUT INPUT absolute maximum ratings over operating temperature ranges (unless otherwise noted)† Input-to-output differential voltage, VI – VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 40 V Package thermal impedance, θJA (see Notes 1 and 2): KC package . . . . . . . . . . . . . . . . . . . . . . . . . . . 22°C/W KTE package . . . . . . . . . . . . . . . . . . . . . . . . . . 23°C/W Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°C † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient temperature is PD = (...

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