EMK316ABJ226ML-T ENPIRION [Enpirion, Inc.], EMK316ABJ226ML-T Datasheet
EMK316ABJ226ML-T
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EMK316ABJ226ML-T Summary of contents
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Description The EN2340QI is a Power System on a Chip (PowerSoC) DC-DC converter. It integrates MOSFET switches, small-signal control circuits, compensation and an integrated inductor in an advanced 8x11x3mm QFN module. It offers high efficiency, excellent line and load regulation ...
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Ordering Information Part Number Package Markings EN2340QI EN2340QI EN2340QI-E EN2340QI Packing and Marking Information: Pin Assignments (Top View ...
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PIN NAME I/O Input/output power ground. Connect these pins to the ground electrode of the input and 29-34 PGND G output filter capacitors. See VOUT and PVIN pin descriptions for more details. Input power supply. Connect to input power supply. ...
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Absolute Maximum Ratings CAUTION: Absolute Maximum ratings are stress ratings only. Functional operation beyond the recommended operating conditions is not implied. Stress beyond the absolute maximum ratings may impair device life. Exposure to absolute maximum rated conditions for extended periods ...
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Electrical Characteristics NOTE: V =12V, Minimum and Maximum values are over operating ambient temperature range unless otherwise noted. IN Typical values are 25°C. A PARAMETER SYMBOL Operating Input Voltage PVIN Controller Input Voltage AVIN AVIN Under Voltage ...
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Typical Performance Curves Efficiency vs. Output Current VOUT = 5.0V 70 VOUT = 3.3V 65 VOUT = 2.5V VOUT = 1.8V 60 VOUT = 1.2V 55 VOUT = 1. 0.5 1 1.5 2 ...
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Typical Performance Curves (Continued) Output Voltage vs. Input Voltage 1.020 CONDITIONS 1.015 V = 1.0V OUT_NOM 1.010 1.005 1.000 0.995 0.990 INPUT VOLTAGE (V) Output Voltage vs. Temperature 1.204 CONDITIONS 1.203 ...
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Typical Performance Characteristics Output Ripple at 20MHz Bandwidth CONDITIONS VIN = 12V VOUT = 1V IOUT = 2A CIN = 2 x 22µF (1206) VOUT COUT = µF (1206) (AC Coupled) Output Ripple at 20MHz Bandwidth CONDITIONS ...
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Typical Performance Characteristics (Continued) Load Transient from VOUT (AC Coupled) CONDITIONS VIN = 12V, VOUT = 1.2V CIN = 2 x 22µF (1206) COUT = 2 x 47µF (1206) LOAD Load Transient from VOUT ...
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Functional Block Diagram Functional Description Synchronous Buck Converter The EN2340QI is a highly integrated synchronous, buck converter with integrated controller, power MOSFET switches and integrated inductor. The nominal input voltage (PVIN) range is 4.5V to 14V and can support up ...
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Power Up Sequence The EN2340QI is designed to be powered by either a single input supply (PVIN) or two separate supplies: one for PVIN and the other for AVIN. Single Input Supply Application (PVIN): The EN2340QI has an internal linear ...
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Spread Spectrum Mode The external clock frequency may be swept between 0.9MHz and 1.3MHz at repetition rates kHz in order to reduce EMI frequency components. Soft-Start Operation Soft start is a means to ramp the output ...
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... X5R, 20%, 1206 22µF, 10V, X5R, 20%, 0805 22µF, 10V, X5R, 20%, 0805 Table 4: Recommended Output Capacitors Enpirion Confidential April 16, 2012 EN2340QI Table 3 contains a MFG P/N GRM31CR61C226ME15 Murata EMK316ABJ226ML-T Taiyo Yuden capacitance with frequency, and effective series inductance ... ...
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Low 22µF/1206 IN C OUT R = 180/(Vout PVIN V C (pF) OUT A (kΩ) ≤ 14V 1. 2. 3.3V ...
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Thermal Considerations Thermal considerations are important power supply design facts that cannot be avoided in the real world. Whenever there are power losses in a system, the heat that is generated by the power dissipation needs to be accounted for. ...
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Engineering Schematic Figure 8: Engineering Schematic with Engineering Notes ©Enpirion 2012 all rights reserved, E&OE 06878 Enpirion Confidential April 16, 2012 EN2340QI www.enpirion.com, Page 16 Rev: B ...
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Layout Recommendation Figure 9: Top Layer Layout with Critical Components (Top View). See Figure 8 for corresponding schematic. This layout only shows the critical components and top layer traces for minimum footprint in single- supply mode with ENABLE tied to ...
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Design Considerations for Lead-Frame Based Modules Exposed Metal on Bottom of Package Lead-frames offer many advantages in thermal performance, in reduced electrical lead resistance, and in overall foot print. However, they do require some special considerations. In the assembly process ...
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Recommended PCB Footprint ©Enpirion 2012 all rights reserved, E&OE 06878 Figure 11: EN2340QI PCB Footprint (Top View) Enpirion Confidential April 16, 2012 EN2340QI www.enpirion.com, Page 19 Rev: B ...
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Package and Mechanical Figure 12: EN2340QI Package Dimensions (Bottom View) Packing and Marking Information: Contact Information Enpirion, Inc. Perryville III Corporate Park 53 Frontage Road - Suite 210 Hampton, NJ 08827 USA Phone: 1.908.894.6000 Fax: 1.908.894.6090 Enpirion reserves the right ...