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LM7596 Fiches technique(PDF) 1 Page - First Components International |
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LM7596 Fiches technique(HTML) 1 Page - First Components International |
1 / 3 page TYPICAL APPLICATION (Fixed Output Voltage Versions) CONNECTION DIAGRAMS AND ORDERING INFORMATION APPLICATIONS ● Simple high-efficiency step-down (buck) regulator ● On-card switching regulators ● Positive to negative converter FEATURES ● 3.3V, 5V, 12V, and adjustable output versions ● Adjustable version output voltage range, 1.2V to 37V ±3% max over line and load conditions ● Available in TO-220 ● Guaranteed 3A output load current ● Input voltage range up to 40V ● Requires only 4 external components ● Excellent line and load regulation specifications ● 150 kHz fixed frequency internal oscillator ● TTL shutdown capability ● Low power standby mode, IQ typically 100 µA ● High efficiency ● Thermal shutdown and current limit protection DESCRIPTION The LM7596 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down switching regulator, capable of driving a 3A load with excellent line and load regulation. These devices are vailable in fixed output voltages of 3.3V, 5V, 12V and an adjustable output version. Requiring a minimum number of external components, these regulators are simple to use. The LM7596 series operates at a switching frequency of 150kHz. Available in standard 5-lead TO-220 package. Other features include a guaranteed ± 3% tolerance on output voltage under specified input voltage and output load conditions, and ± 15% on the oscillator frequency. External shutdown is included, featuring typically 100µA standby current. Self protection features include a two stage frequency reducing current limit for output switch and an over temperature shutdown for complete protection under fault conditions. The over temperature shutdown level is about 145°C with 5°C hysteresis. LM7596 Simple Switcher Power Converter 150kHz 3A Step-Down Voltage Regulator |
Numéro de pièce similaire - LM7596 |
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Description similaire - LM7596 |
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