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Buck-Boost Regulator
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120W, 24V 5A Output Buck-Boost Voltage Regulator 12V Output Converter Accepts 4V to 80V Input (5.5V Minimum to Start) 12V/5A Output From 4V-38V Automotive Input Supply 4V-60V (Cold Crank) Input to 5V Output DC/DC Automotive Converter 5V Backup Supply from Supercap Runs Down to VIN = 2V with 250mA Load Automotive 5V Regulator with Cold Crank Capability Bi-Directional Buck-Boost Supercapacitor Backup Supply Buck-Boost Converter In SuperCap Backup Power Supply Energy Harvesting Converter Operates from a Variety of Weak Sources Industrial 12V 1MHz Regulator with Custom Input Undervoltage Lockout Thresholds Single Supercapacitor Charger from 1.8V to 5.5V Input to 5V Output (1000mA Max Input Current) Six Output DC/DC μModule Regulator From 3V to 72V Input Solar Powered Converter Extends Battery Life in Low Power 3V Primary Battery Applications Solar Powered Converter with MPPC Charges Storage Capacitor Stacked Supercapacitor Charger from 1.8V to 5.5V Input to 5V Output (1000mA Max Input Current) Supercap Powered Backup Supply USB, FireWire, Automotive and Unregulated Wall Adapter to Regulated 5V
120W, 24V 5A Output Buck-Boost Voltage Regulator
The buck-boost converter shown in this figure regulates 24V with 0A–5A load at up to 98.5% efficiency (Figure 2). It operates from an input voltage range of 12V to 58V. Adjustable undervoltage and overvoltage lockout protect the circuit. It has short-circuit protection and the SHORT output flag indicates when there is a short circuit on the output. It features DCM operation at light load for lowest power consumption and reverse current protection. ROUT limits the output current during both a short circuit and an overload situation, making this a robust application.
