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L296：HIGH CURRENT SWITCHING REGULATORS

The L296 and L296P are stepdown power 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-lead Multiwatt® 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.

Key Features

• EXTERNAL PROGRAMMABLE LIMITING CURRENT (L296P)
• RESET OUTPUT
• INPUT FOR REMOTE INHIBIT AND SYNCHRONUS PWM
• CONTROL CIRCUIT FOR CROWBAR SCR
• THERMAL SHUTDOWN
• VERY FEW EXTERNAL COMPONENTS
• VERY HIGH EFFICIENCY (UP TO 90 %)
• 4 A OUTPUT CURRENT
• 0 TO 100 % DUTY CYCLE RANGE
• 5.1 V TO 40 V OUTPUT VOLTAGE RANGE
• SWITCHING FREQUENCY UP TO 200 KHz
• SOFT START
• PRECISE (±2 %) ON-CHIP REFERENCE

Product Specifications

Application Notes

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