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NN30310AA Datasheet(PDF) 1 Page - Panasonic Battery Group |
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NN30310AA Datasheet(HTML) 1 Page - Panasonic Battery Group |
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1 / 27 page  1 NN30310AA Ver. CEB High-Speed Response DC-DC Step Down Regulator Circuit that employs Hysteretic Control System Two 25 mΩ (Typ.) MOSFETs for High Efficiency at 3 A SKIP (discontinuous) Mode for Light Load Efficiency Up to 3 A Output Current Input VoltageRange : AVIN : 6 V to 30 V, PVIN : 6 V to 30 V, Output Voltage Range : 0.75 V to 5.5 V Selectable Switching Frequency 250 kHz , 750 kHz , 1250 kHz Adjustable Soft Start Low Operating and Standby Quiescent Current Open Drain Power Good Indication for Output Over , Under Voltage Built-in Under Voltage Lockout (UVLO), Thermal Shut Down (TSD), Over Voltage Detection (OVD), Under Voltage Detection (UVD), Over Current Protection (OCP), Short Circuit Protection (SCP) HQFN024-A3-0404 ( Size : 4 mm X 4 mm, 0.5 mm pitch ), 24pin Plastic Quad Flat Non-leaded Package Heat Slug Down (QFN Type) High Current Distributed Power Systems such as ・HDDs (Hard Disk Drives) ・SSDs (Solid State Drives) ・PCs ・Game consoles ・Servers ・Security Cameras ・Network TVs ・Home Appliances ・OA Equipment etc. SIMPLIFIED APPLICATION APPLICATIONS FEATURES DESCRIPTION VIN = 6 V to 30 V, 3 A Synchronous DC-DC Step down Regulator comprising of Controller IC and Power MOSFET NN30310AA is a synchronous DC-DC Step down Regulator (1-ch) comprising of a Controller IC and two power MOSFETs and employs the hysteretic control system. By this system, when load current changes suddenly, it responds at high speed and minimizes the changes of output voltage. Since it is possible to use capacitors with small capacitance and it is unnecessary to add external parts for system phase compensation, this IC realizes downsizing of set and reducing in the number of external parts. Output voltage is adjustable by user. Maximum current is 3 A. Notes) This application circuit is an example. The operation of mass production set is not guaranteed. You should perform enough evaluation and verification on the design of mass production set. You are fully responsible for the incorporation of the above application circuit and information in the design of your equipment. VFB VREG EN PGOOD BST LX PGND AGND SS AVIN PVIN VREG AVIN NN30310AA PVIN VOUT Frequency = 250 kHz 0 10 20 30 40 50 60 70 80 90 100 IOUT (A) FCCM/ Vo= 1.05V FCCM/ Vo= 1.2V FCCM/ Vo= 1.8V FCCM/ Vo= 3.3V FCCM/ Vo= 5.0V SKIP/ Vo= 1.05V SKIP/ Vo= 1.2V SKIP/ Vo= 1.8V SKIP/ Vo= 3.3V SKIP/ Vo= 5.0V DCDCOUT 1.05 V 4.7μH 100k Ω 22μF x 2 0.1μF 1.5k Ω 1k Ω 1μF 10nF Condition ) V IN = 12.5 V, Vout = 1.05 V , 1.2 V , 1.8 V , 3.3 V , 5.0 V, Lo = 4.7 µH, Co = 44 µF ( 22 µF x 2 ), Frequency = 250 kHz EFFICIENCY CURVE Publication date: October 2012 |
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