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L6730C L6730D
Adjustable step-down controller with synchronous rectification
Target Specification
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www.DataSheet4U.com
L6730C L6730D
Adjustable step-down controller with synchronous rectification
Target Specification
Features
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Input
voltage range from 1.8V to 14V Supply
voltage range from 4.5V to 14V Adjustable output
voltage down to 0.6V with ±0.8% accuracy over line
voltage and temperature (0°C~125°C) Fixed frequency
voltage mode control TON lower than 100ns 0% to 100% duty cycle Selectable 0.6V or 1.2V internal
voltage reference External input
voltage reference Soft-start and inhibit High current embedded drivers Predictive anti-crossconduction control Selectable UVLO threshold (5V or 12V bus) Programmable high-side and low-side RDS(on) sense over-current-protection Switching frequency programmable from 100KHz to 1MHz Master/slave synchronization with 180° phase shift Pre-bias start up capability (L6730C) Selectable source/sink or source only capability after soft-start (L6730C) Selectable constant current or hiccup mode overcurrent protection after soft-start (L6730D)
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HTSSOP20
QFN 4x4 24L
Power good output with programmable delay Over
voltage protection with selectable latched/not-latched mode Thermal shut-down Package: HTSSOP20, QFN4x4 24L
Applications
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High performance / high density DC-DC modules Low
voltage distributed DC-DC niPOL converters DDR memory supply DDR memory bus termination supply
Order Codes
Part number L6730CQ L6730CQTR L6730C L6730CTR L6730D L6730DTR June 2006 Package QFN4x4 24L QFN4x4 24L...