IR's IR3553 40A PowIRstage Delivers High Current in Smallest Form Factor with High Efficiency for Cost-Sensitive Multiphase Applications

International Rectifier IR3553

International Rectifier announced the expansion of its PowIRstage® family of integrated devices with the introduction of the 40A IR3553, optimized for next-generation servers, consumer and communication systems.

Utilizing IR’s advanced silicon, packaging and control techniques, the IR3553 integrates a synchronous buck gate driver, benchmark figure-of-merit control, and synchronous MOSFETs and Schottky diode into a small, high density, low profile 6mm x 4mm x 0.9mm PQFN package to deliver a high current density and high efficiency power stage solution that simplifies the design and implementation of high current, high performance multiphase buck regulators.

International Rectifier - IR3553

Specifications

Part Number
Package
IOUT
max
VIN
FSW
max
VOUT
IR3553
PQFN 6mm x 4mm
40A
4.5V-15V
1000KHz
0.25V to VCC-2.5V

Pricing

Pricing for the IR3553 begins at US$1.95 each in 10,000-unit quantities.

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