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LM337Y 데이터시트(PDF) 1 Page - Texas Instruments |
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LM337Y 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 10 page LM237, LM337 3-TERMINAL ADJUSTABLE REGULATORS SLVS047G – NOVEMBER 1981 – REVISED SEPTEMBER 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Output Voltage Range Adjustable From –1.2 V to –37 V D Output Current Capability of 1.5 A Max D Input Regulation Typically 0.01% Per Input-Voltage Change D Output Regulation Typically 0.3% D Peak Output Current Constant Over Temperature Range of Regulator D Ripple Rejection Typically 77 dB D Direct Replacement for Industry-Standard LM237 and LM337 description/ordering information 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. ORDERING INFORMATION TJ PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING –25 °C to 150°C TO-220 (KC) Tube of 50 LM237KC LM237 0 C to 125 C PowerFLEX (KTE) Reel of 2000 LM337KTER LM337 0 °C to 125°C PowerFLEX (KTP) Reel of 3000 LM337KTPR L337 TO-220 (KC) Tube of 50 LM337KC LM337 † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. ADJUSTMENT INPUT OUTPUT LM337 . . . KTE OR KTP PACKAGE (TOP VIEW) OUTPUT ADJUSTMENT INPUT LM237, LM337 . . . KC (TO-220) PACKAGE (TOP VIEW) 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. Copyright 2003, Texas Instruments Incorporated 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. PowerFLEX is a trademark of Texas Instruments. |
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