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LM2596 Datasheet(PDF) 1 Page - Guangdong Youtai Semiconductor Co., Ltd. |
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LM2596 Datasheet(HTML) 1 Page - Guangdong Youtai Semiconductor Co., Ltd. |
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1 / 17 page  Available in TO-220 and TO-263,TO-220B packages (57V for HV version) The LM2596 /LM2596HV series operates at a switching frequency of150 kHz thus allowing smaller sized filter com- pontents than what would be needed with lower frequency switching regulators. Available in a standard 5-lead TO-220 package with several different lead bend options, and a 5-lesd TO-262 surface mount package. The LM2596 /LM2596HV series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 3A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3V, 5V, 12V, and an adjustable output version. 3A Step-Down Voltage Regulator General Description Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation†, and a fixed-frequency oscillator. A standard series of inductors are available from several different manufacturers optimized for use with the LM2596 series. This feature greatly simplifies the design of switch-mode power supplies. Other features include a guaranteed ±4% tolerance on out- put voltage under specified input voltage and output load conditions, and ±15% on the oscillator frequency. External shutdown is included, featuring typically 80 µA standby cur- rent. Self protection features include a two stage frequency reducing current limit for the output switch and an over temperature shutdown for complete protection under fault conditions. Features n 3.3V, 5V, 12V, and adjustable output versions n Adjustable version output voltage range, 1.2V to 37V ±4% max over line and load conditions n n Guaranteed 3A output load current n Input voltage range up to 40V n Requires only 4 external components n Excellent line and load regulation specifications n 150 kHz fixed frequency internal oscillator n TTL shutdown capability n Low power standby mode, I Q typically 80 µA n High efficiency n Uses readily available standard inductors n Thermal shutdown and current limit protection Applications n Simple high-efficiency step-down (buck) regulator n On-card switching regulators n Positive to negative converter Note: †Patent Number 5,382,918. Typical Application (Fixed Output Voltage Versions) UMW LM2596/LM2596HV UMW R UMW LM2596/LM2596HV UMW LM2596/LM2596HV LM2596 /LM2596HV 5.0 1 www.umw-ic.com 友台半导体有限公司 Package Types TO220B-5L TO263-5L TO220-5L |
Similar Part No. - LM2596 |
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Similar Description - LM2596 |
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