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XRP7664IDTR-F Datasheet(PDF) 1 Page - Exar Corporation

Part # XRP7664IDTR-F
Description  The Popular Choice for 2A Power Rail Down Conversions
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XRP7664IDTR-F Datasheet(HTML) 1 Page - Exar Corporation

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XRP7664
The Popular Choice for 2A Power Rail Down Conversions
2A 18V Synchronous Step-Down Converter
The XRP7664 is a synchronous current mode PWM step down (buck) regulator
capable of a constant output current up to 2Amps. A wide 4.75V to 18V input
voltage range allows for single supply operations from industry standard 5V and
12V power rails.
With a 340kHz constant operating frequency and integrated high and low side
120mΩ/110mΩ MOSFETs, the XRP7664 reduces the overall component count
and solution footprint. Current-mode control provides fast transient response
and cycle-by-cycle current limit. An adjustable soft-start prevents inrush current
at turn-on, and in shutdown mode the supply current drops to 0.1uA.
Built-in output over voltage (open load), over temperature, cycle-by-cycle over
current and under voltage lockout (UVLO) protections insure safe operations
under abnormal operating conditions.
The XRP7664 is offered in a RoHS compliant, “green”/halogen free 8-pin SOIC
package.
MAJOR FEATURES
Pin/Function Compatible to
MP1482
2A Continuous Output Current
4.75V to 18V Wide Input
Voltage
PWM Current Mode Control
340kHz Constant Operations
Up to 93% Efficiency
Adjustable Output Voltage
0.925V to 16V Range
3% Accuracy
Programmable Soft-Start and
Enable Function
Built-in Thermal, Over Current,
UVLO and Output Over Voltage
Protections
RoHS Compliant, “Green”/
Halogen Free 8-Pin SOIC
Package


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