ISL65426HRZ

6A, Dual Synchronous, Buck Regulator, Integrated MOSFET, QFN, Current Mode, 1MHz

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Price:: US $4.60~5.20 / piece [Get Latest Price]

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PartNumber:: ISL65426HRZ

Brand:: Intersil Corporation - Intersil | Pack: QFN | D/C: 08+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2012-01-31

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Part Number:ISL65426HRZ
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Product Summary

The ISL65426HRZ is a high efficiency dual output monolithic synchronous buck converter operating over an input voltage range of 2.375V to 5.5V. This single chip power solution provides two output voltages which are selectable or externally adjustable from 1V to 80% of the supply voltage while delivering up to 6A of total output current. The two PWMs are synchronized 180° out of phase reducing the RMS input current and ripple voltage. The ISL65426HRZ switches at a fixed frequency of 1MHz and utilizes current-mode control with integrated compensation to minimize the size and number of external components and provide excellent transient response. The internal synchronous power switches of ISL65426HRZ are optimized for good thermal performance, high efficiency, and eliminate the need for an external Schottky diode.

Parametrics

ISL65426HRZ absolute maximum ratings: (1)VCC, PVINx, LXx: GND -0.3V to +6V; (2)FBx, ENx, VxSETx, ISETx, PGOODx: -0.3V to VCC+0.3V; (3)ESD Classification, Human Body Model: 2kV; (4)ESD Classification, Machine Model: 200V; (5)Recommended Operating Input Range, VCC, PVINx: 2.375V to +5.5V; (6)Maximum Junction Temperature (Plastic Package): +150℃; (7)Maximum Storage Temperature Range: -65℃ to +150℃; (8)Maximum Lead Temperature (Soldering 10s): +260℃; (9)Ambient Temperature Range: -10℃ to +100℃; (10)Operating Junction Temperature Range: -10℃ to +125℃.

Features

ISL65426HRZ features: (1)High Efficiency: Up to 95%; (2)Fixed Frequency: 1MHz; (3)Operates From 2.375V to 5.5V Supply; (4)±1% Reference; (5)Flexible Output Voltage Options; (6)User-Partitioned Power Blocks; (7)Ultra-Compact DC/DC Converter Design; (8)PWMs Synchronized 180° Out of Phase; (9)Independent Enable Inputs and System Enable; (10)Stable All Ceramic Solutions; (11)Excellent Dynamic Response; (12)Independent Output Digital Soft-Start; (13)Power Good Output Voltage Monitor; (14)Short-Circuit and Thermal-Overload Protection; (15)Overcurrent and Undervoltage Protection; (16)Pb-Free Plus Anneal Available (RoHS Compliant).