Analog, Mixed Signal and Power Management Fact Sheet MC34713 and MC34717 Single and Dual DC/DC Converter IC Applications • • • • • • • Portable electronics Digital still cameras PDAs Battery-based handheld devices servers Gave consoles Networking MC34713 Simplified Application Drawing (3.0 TO 6.0 V) VIN VIN VREFIN The MC34713 is a single output DC/DC converter IC. The MC34717 is a dual output DC/DC converter IC. These general purpose DC/DC converters take 3—6 input voltage and drop it down to 0.7—3.6 volts. The MC34713 and MC34717 devices power up to 5 amps for space constrained applications. The MC34713 and MC34717 are one of many power management solutions offered by Freescale, where board constrained manufacturers can benefit from highly integrated, high-efficiency functionality. PVIN BOOT INV VDDI FREQ ILIM VOUT SW PGND Overview The MC34713 and MC34717 devices are single and dual power regulators for simple DC/DC conversion. These highly integrated, efficient devices are ideal for space constrained applications such as graphics cards, blade servers, set top boxes, HBA cards—any application that needs a small form factor, high-efficiency device. Many current solutions consume too much board space. The MC34713 and MC34717 devices fulfill the design engineers need for a small, compact DC converter. 34713 VMASTER COMP VIN VOUT PG GND MICROCONTROLLER DSP, FPGA, ASIC SD MC34717 Simplified Application Drawing 3.0 TO 6.0 V VIN VOUT1 34717 VIN PVIN1 BOOT1 SW1 VOUT1 INV1 COMP1 PGND1 VDDI FREQ PVIN2 BOOT2 VOUT2 MCU INV2 COMP2 PGND2 PG SD ILIM1 ILIM2 GND VOUT1 VOUT2 SW2 VREFIN VIN VMASTER Optional Features • Input operating voltage 3.0–6.0 V • 1.0 MHz synchronous single and dual switching regulators •Programmable switching frequency 200 kHz–1.0 MHz •Integrated MOSFETs •MC34713 DC-DC version: 5.0 A source output •MC34717 DC-DC version: 5.0 A/5.0 A source output • Output voltage +/-2% accuracy •Adjustable output 0.7–3.6 V •Separate VREF output +/-2% accuracy • PGOOD and shutdown inputs (active low) • Soft start—all outputs • Extensive protection •Over-voltage, under-voltage, over-current, short-circuit and thermal •Programmable over-current limit \ Devices Operating Input Voltage Part number MC34713EP/R2 3.0 to 6.0 MC34717EP/R2 Output Current 5.0 A 5.0/5.0 A Temperature Range -40 to 85 C Package 24-pin QFN 26-pin QFN Development Tools Part Number Description KIT34713EPEVBE Evaluation board to demonstrate the key features of MC34713 KIT34717EPEVBE Evaluation board to demonstrate the key features of MC34717 Documentation Document Number Title Description MC34713 Data Sheet Single DC/DC Converter IC MC34717 Data Sheet Dual DC/DC Converter IC SG1002 Selector Guide Analog Product Selector Guide Benefits • Increased efficiency (up to 93 percent) • Allows for optimized magnetics/capacitors • Reduced space, enhanced reliability for graphics cards, blade servers, set top boxes and HBA cards • PGOOD and shutdown inputs Questions • Does your system require a Point of Load power distribution system? • Does your system require a high output current capability? • Does your system require a very accurate and stable output voltage? • Does your supply voltage require fast transient response? • Does your system require a voltage regulator that protects itself and the devices that it supplies? EP SUFFIX (Pb-FREE) 98ARL10577D 24 PIN QFN EP SUFFIX (Pb-FREE) 98ASA10728D 26 PIN QFN Freescale Semiconductor is a leading provider for over 25 years of high-performance products that use SMARTMOS™ technology that combines digital, power and standard analog functions. The company supplies analog and power management ICs for the automotive, consumer, networking and industrial markets. Freescale’s analog and power ICs complement our broad portfolio of microcontrollers, microprocessors, ZigBee™ technology, digital signal processors, sensors, and development tools. Freescale offers superior support for system solutions to help all customers. Learn More: For current information about Freescale products, please visit www.freescale.com. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc., 2009-2011. All rights reserved. Document Number: MC3471317DCDCFS, Rev 2.0, 12/2011