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Buck-Boost Regulator
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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 Buck-Boost Converter In SuperCap Backup Power Supply 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 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
12V/5A Output From 4V-38V Automotive Input Supply
The LTC3789 is a high performance buck-boost switching regulator controller that operates from input voltages above, below or equal to the output voltage. The constant-frequency, current mode architecture allows a phase-lockable frequency of up to 600kHz, while an output current feedback loop provides support for battery charging. With a wide 4V to 38V (40V maximum) input and output range and seamless, low noise transitions between operating regions, the LTC3789 is ideal for automotive, telecom and battery-powered systems.
