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LM120QML 数据表(PDF) 1 Page - Texas Instruments |
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LM120QML 数据表(HTML) 1 Page - Texas Instruments |
1 / 19 page LM120QML www.ti.com SNVS368A – DECEMBER 2010 – REVISED APRIL 2013 LM120QML Series 3-Terminal Negative Regulators Check for Samples: LM120QML 1 FEATURES DESCRIPTION The LM120 series are three-terminal negative 2 • Preset Output Voltage Error Less Than ±3% regulators with a fixed output voltage of −5V, −12V, • Preset Current Limit and −15V, and up to 1.5A load current capability. • Internal Thermal Shutdown Where other voltages are required, the LM137 and LM137HV series provide an output voltage range of • Operates with Input-Output Voltage Differential −1.2V to −47V. Down to 1V The LM120 needs only one external component—a • Excellent Ripple Rejection compensation capacitor at the output, making them • Low Temperature Drift easy to apply. Worst case specifies on output voltage • Easily Adjustable to Higher Output Voltage deviation due to any combination of line, load or temperature variation assure satisfactory system operation. Exceptional effort has been made to make the LM120 Series immune to overload conditions. The regulators have current limiting which is independent of temperature, combined with thermal overload protection. Internal current limiting protects against momentary faults while thermal shutdown prevents junction temperatures from exceeding safe limits during prolonged overloads. Although primarily intended for fixed output voltage applications, the LM120 Series may be programmed for higher output voltages with a simple resistive divider. The low quiescent drain current of the devices allows this technique to be used with good regulation. Table 1. LM120 Series Packages and Power Capability Rated Design Package Power Load Dissipation Current TO (K) 20W 1.5A PFM (H) 2W 0.5A 1 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. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2010–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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类似说明 - LM120QML |
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