Analog Devices, Inc. 6A Boost/Inverting DC/DC Converter with Fault Protection LT3579IFE#PBF

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Norwood, MA, USA
6A Boost/Inverting DC/DC Converter with Fault Protection LT3579IFE#PBF
Product Details The LT3579 is a PWM DC/DC converter with built-in fault protection features to aid in protecting against output shorts, input/output overvoltage, and overtemperature conditions. The part consists of a 42V master switch, and a 42V slave switch that can be tied together for a total current limit of 6A. The LT3579 is ideal for many local power supply designs. It can be easily configured in Boost, SEPIC, Inverting, or Flyback configurations, and is capable of generating 12V at 1.7A, or –12V at 1.2A from a 5V input. In addition, the LT3579’s slave switch allows the part to be configured in high voltage, high power charge pump topologies that are very efficient and require fewer components than traditional circuits. The LT3579’s switching frequency range can be set between 200kHz and 2.5MHz. The part may be clocked internally at a frequency set by the resistor from the RT pin to ground, or it may be synchronized to an external clock. A buffered version of the clock signal is driven out of the CLKOUT pin, and may be used to synchronize other compatible switching regulator ICs to the LT3579. The LT3579 also features innovative SHDN pin circuitry that allows for slowly varying input signals and an adjustable undervoltage lockout function. Additional features such as frequency foldback and soft-start are integrated. The LT3579 is available in 20-lead TSSOP and 20-pin 4mm × 5mm QFN packages. Applications Local Power Supply Vacuum Fluorescent Display (VFD) Bias Supplies TFT-LCD Bias Supplies Automotive Engine Control Unit (ECU) Power
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Voltage Regulators - DC DC Switching Regulators - 161-LT3579IFE#PBF-ND - Digi-Key Electronics
Thief River Falls, MN, USA
Voltage Regulators - DC DC Switching Regulators 161-LT3579IFE#PBF-ND
IC REG MULT CONFG ADJ 6A 20TSSOP
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Technical Specifications

  Analog Devices, Inc. Digi-Key Electronics
Product Category IC Switching Voltage Regulators IC Switching Voltage Regulators
Product Number LT3579IFE#PBF 161-LT3579IFE#PBF-ND
Product Name 6A Boost/Inverting DC/DC Converter with Fault Protection Voltage Regulators - DC DC Switching Regulators
Package Type PPAK; Other; TSSOP Other; 20-TSSOP (0.173", 4.40mm Width) Exposed Pad
Life Cycle Stage Production
Operating Temperature -40 to 125 C (-40 to 257 F) -40 to 125 C (-40 to 257 F)
fsw 200 to 2500 kHz
Output Voltage Type Adjustable / Variable
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