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AMS2596S Datasheet(PDF) 1 Page - Advanced Monolithic Systems |
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AMS2596S Datasheet(HTML) 1 Page - Advanced Monolithic Systems |
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1 / 15 page  AMS2596 3A 30V Step-Down Converter 3/4/2010 www.advanced-monolithic.com Phone (925) 443-0722 1 Fax (925) 443-0723 General Description The AMS2596 is a high efficiency, non-synchronous step down regulator delivering up to 3A of output current making it ideal for medium to heavy load applications. It is designed to operate with wide input voltage range of 4.5 to 30V while maintaining 1mA of supply current at no load. The output voltage is either factor programmed or set via two external resistors to as low as 1.23V. The regulator operates at fixed 150kHz switching frequency ensuring low output ripple across the entire load. It requires only four external components for minimum PCB footprint and lowest overall system cost. An independent Enable pin provides electrical On/Off of the regulator. When connected to logic high, the regulator shuts down and consumes less than 100µA of current. Excellent transient response is achieved with no external compensation components. The device provides under-voltage lockout, output short circuit and over-temperature protection to safeguard the device and under fault conditions. An integrated soft-start controls the ramp of the output voltage and minimizes the inrush current. The AMS2596 is available in SOIC, TO220, TO252 and TO263 packages, and it is rated for -25 to +125°C temperature range. Features • VIN range: 4.5 - 30V • VOUT range: 1.25V to 7V fixed output Voltage in 100mV steps • Adjustable version output voltage range from 1.2V to 25V • Up to 5A output current • 150kHz switching frequency • 900µA supply current • 80uA standby quiescent current • 100% Duty Cycle • Excellent line and load regulation • Internal Soft Start • Internal compensation • Under voltage lockout • Current Limit Protection • Over temperature protection • -25°C to +125°C Temperature Range • Available in SOIC-8, TO220-5, TO252-5 and TO263-5 packages Applications • LCD Monitor and TV • High Current Point of Load Regulator • System Power • Set Top Box Typical Application L1 33uH R1 31.7k R2 10.0k D1 B540C C2 470uF C1 470uF 12V 2.5V gnd 8 Vin 4 n/c 3 EN 2 FB 1 LX 6 gnd 7 LX 5 U1 AMS2596 |
Similar Part No. - AMS2596S |
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Similar Description - AMS2596S |
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