EN2390QI-E Enpirion, EN2390QI-E Datasheet
EN2390QI-E
Specifications of EN2390QI-E
Related parts for EN2390QI-E
EN2390QI-E Summary of contents
Page 1
... The EN2390QI is a Power System on a Chip (PowerSoC) DC-DC converter. It integrates MOSFET switches, small-signal control circuits, compensation and an integrated inductor 11x10x3mm QFN module. It offers high efficiency, excellent line and load regulation over temperature. The EN2390QI operates over a wide input voltage range and is specifically designed to meet the precise ...
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... Ordering Information Part Number Package Markings EN2390QI EN2390QI EN2390QI-E EN2390QI Packing and Marking Information: Pin Assignments (Top View) NOTE A: NC pins are not to be electrically connected to each other or to any external signal, ground, or voltage. However, they must be soldered to the PCB. Failure to follow this guideline may result in part malfunction or damage. ...
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... See pin 53 description. Digital Input. This pin accepts either an input clock to phase lock the internal I switching frequency or a S_OUT signal from another EN2390QI. Leave this pin floating if not used. Digital Output. PWM signal is output on this pin. Leave this pin floating if not used ...
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... Not a perimeter pin. Device thermal pad to be connected to the system GND plane for heat-sinking purposes. SYMBOL T T J-ABS Max SYMBOL PVIN AVIN V OUT I OUT SYMBOL T > V – 2.5V to increase current limit threshold. OUT IN Enpirion Confidential EN2390QI MIN MAX UNITS -0.5 15 2.5 6.0 -0.5 2.75 0.3 3 -65 150 STG 150 260 2000 500 MIN MAX UNITS 4 ...
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... RFADJ =3k Range of SYNC clock frequency S_IN clock logic low level S_IN clock logic high level S_OUT clock logic low level S_OUT clock logic high level Output voltage as a fraction of LT expected output voltage Enpirion Confidential EN2390QI MIN TYP MAX UNITS 4.5 14.0 V 2.5 5.5 V ...
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... Rise Time Accuracy does not include soft-start capacitor tolerance. OUT ©Enpirion 2012 all rights reserved, E&OE TEST CONDITIONS With 4mA current sink into POK PVIN range: 4.5V ≤ V ≤ 14V IN POK high (Note 3) and ENABLE = HIGH. UVLO Enpirion Confidential EN2390QI MIN TYP MAX UNITS 0.4 V AVIN V 1 µA www.enpirion.com, Page 6 ...
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... AMBIENT TEMPERATURE ( C) Output Current De-rating with Air Flow CONDITIONS CONDITIONS 12V = 12V 125 C = 125 C JMAX JMAX θ θ C C VOUT = 3.3V 10x11x3mm QFN 10x11x3mm QFN Air Flow (400fpm) No Air Flow AMBIENT TEMPERATURE ( C) www.enpirion.com, Page 7 EN2390QI 5 ...
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... C JMAX JMAX θ θ C C 10x11x3mm QFN 10x11x3mm QFN Air Flow (400fpm) No Air Flow Enpirion Confidential EN2390QI Output Current De-rating with Heat Sink and Air Flow CONDITIONS CONDITIONS 12V = 12V 125 C = 125 C JMAX JMAX VOUT = 3.3V θ ...
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... VOUT = 2.45V IOUT = 6A CIN = 2 x 22µF (1210) COUT = µF (1206 22µF(0805) Load Transient from 0 to 4.5A VOUT (AC Coupled) CONDITIONS LOAD VIN = 12V, VOUT = 1.0V CIN = 2 x 22µF (1206) COUT = 2 x 100µF (1206 22µF (0805) Enpirion Confidential EN2390QI www.enpirion.com, Page 9 ...
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... Type IV compensation network.. The frequency of the EN2390QI enables the use of ©Enpirion 2012 all rights reserved, E&OE Figure 4: Functional Block Diagram small size input and output capacitors, as well as a wide loop bandwidth within a small foot print. ...
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... ENABLE Lockout Time (8ms) in order for the device to be re- enabled. Pre-Bias Operation The EN2390QI is not designed to be turned on into a pre-biased output voltage. ©Enpirion 2012 all rights reserved, E&OE Figure 5: Dual Input Supply (PVIN and AVIN) ...
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... Internal circuits ensure that the converter will not start switching until the input voltage is above the specified minimum voltage. Hysteresis, input de- glitch and output leading edge blanking ensures high noise immunity and prevents false UVLO triggers. Enpirion Confidential EN2390QI also specified in the techsupport@enpirion.com V ...
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... X5R, 20%, 1206 Output Capacitor Selection As seen from Table 5, the EN2390QI has been optimized for use with two 47µF/0805 and two 22µF/0805 output capacitors for best performance. For smallest solution size, various combinations of output capacitance may be used. See Table 5 for details ...
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... Taiyo LMK316BJ476ML-T 20%, 1206 Yuden 22µF, 10V, X5R, Panasonic ECJ-2FB1A226M 20%, 0805 22µF, 10V, X5R, Taiyo LMK212BJ226MG-T 20%, 0805 Yuden Murata GRM31CR60J107ME39L 100µF, 6.3V, X5R, 20%, 1206 Taiyo JMK316BJ107ML-T Yuden Table 4: Recommended Output Capacitors ©Enpirion 2012 all rights reserved, E&OE P/N Enpirion Confidential EN2390QI www.enpirion.com, Page 14 ...
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... Ripple vs. Smallest Solution Size. Use OUT . B www.enpirion.com, Page 15 EN2390QI Nominal Deviation (mV) 93 104 110 120 150 215 305 96 104 112 130 162 221 313 99 107 122 126 169 241 290 108 ...
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... The device has a thermal overload protection circuit designed to turn off the device at an approximate junction temperature value of 150° C. The EN2390QI is guaranteed to support the full 4A output current up to 85° C ambient temperature. The following example and calculations illustrate the thermal performance of the EN2390QI. ...
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... Engineering Schematic Figure 8: Engineering Schematic with Engineering Notes ©Enpirion 2012 all rights reserved, E&OE TBD Enpirion Confidential EN2390QI www.enpirion.com, Page 17 ...
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... Recommendation 1: Input and output filter capacitors should be placed on the same side of the PCB, and as close to the EN2390QI package as possible. They should be connected to the device with very short and wide traces. Do not use thermal reliefs or spokes when connecting the capacitor pads to the respective nodes ...
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... Only the thermal pad and the perimeter pads are to be mechanically or electrically connected to the PC board. The PCB top layer under the EN2390QI should be clear of any metal (copper pours, traces, or vias) except for the thermal pad. The “shaded-out” area in Figure 10 represents the area that should be clear of any metal on the top layer of the PCB ...
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... Recommended PCB Footprint ©Enpirion 2012 all rights reserved, E&OE Figure 11: EN2390QI PCB Footprint (Top View) Enpirion Confidential EN2390QI www.enpirion.com, Page 20 ...
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... Package and Mechanical Figure 12: EN2390QI 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 to make changes in circuit design and/or specifications at any time without notice. Information furnished by Enpirion is believed to be accurate and reliable ...