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> 296 / L296 / st high current switching regulators
296 / L296 / st high current switching regulators
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Please note: The following spec sheet / information is provided by the manufacturer and may cover several different items and/or products. I am offering the part listed in the heading and picture ONLY.
* .5.1 V TO 40 V OUTPUT VOLTAGERANGE
* .0 TO 100 % DUTY CYCLE RANGE
* .PRECISE (±2 %) ON-CHIP REFERENCE
* .SWITCHING FREQUENCY UP TO 200 KHz
* .VERY HIGH EFFICIENCY (UP TO 90%)
* .VERY FEWEXTERNAL COMPONENTS
* .EXTERNAL PROGRAMMABLE LIMITING CURRENT (L296P)
* .CONTROL CIRCUIT FOR CROWBAR SCR
* .INPUT FOR REMOTE INHIBIT AND SYNCHRONUS PWM
The L296 and L296P are stepdownpower switching regulators delivering 4 A at a voltage variable from 5.1 V to 40 V.
Features of the devices include soft start, remote inhibit, thermal protection, a reset output for microprocessors and a PWM comparator input for synchronization in multichip configurations.
The L296P incudes external programmable limiting current.
The L296 and L296P are mounted in a 15-leadMultiwatt) plastic power package and requires very few external components.
Efficient operation at switching frequencies up to 200 KHz allows a reduction in the size and cost of external filter components. A voltage sense input and SCR drive output are provided for optional crowbar overvoltage protection with an external SCR.
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