EN6337QI3 ENPIRION [Enpirion, Inc.], EN6337QI3 Datasheet
EN6337QI3
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EN6337QI3 Summary of contents
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Description The EN6337QI is a Power System on a Chip (PowerSoC) DC-DC converter. It integrates MOSFET switches, small-signal compensation, and the inductor in an advanced 4mm x 7mm QFN package. The EN6337QI is specifically designed to meet the precise voltage ...
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... Figure 2: Typical Application Schematic (PWM mode) Ordering Information Temp Rating Part Number (°C) EN6337QI -40 to +85 EN6337QI3 -40 to +85 EN6337QI-E QFN Evaluation Board Pin Description PIN NAME NO CONNECT – These pins are internally connected to the common switching node of the 1-2, 12, NC(SW) internal MOSFETs. They are not to be electrically connected to any external signal, ground, 34-38 or voltage ...
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Absolute Maximum Ratings CAUTION: Absolute Maximum ratings are stress ratings only. 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 may affect device reliability. ...
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... Shut-Down Supply Current I S Operating Quiescent I Q Current Feedback Pin Voltage EN6337QI V FB EN6337QI3 Feedback Pin Voltage EN6337QI V FB EN6337QI3 Feedback pin Input I FB Leakage Current (Note 1) V Rise Time (Note 1) t OUT RISE Soft Start Capacitor Range C SS_RANGE Output Drop Out V Voltage ...
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PARAMETER SYMBOL POK Output Hi Voltage V POKH POK pin V leakage OH I POKL current (Note 1) LLM Engage Headroom LLM Logic Low V LLM_LO (LLM/SYNC PIN) LLM Logic High V LLM_HI (LLM/SYNC PIN) LLM/SYNC Pin Current Note 1: ...
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Typical Performance Characteristics PWM/LLM Efficiency vs. Load Performance at Vin=3.3V 100 0.01 0.1 1 Load (A) Efficiency V = 3.3V, V (From top to bottom) = ...
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LLM Output Ripple 3.3V 0.1A 22μ 2x47μF/1206 OUT IN OUT Load Transient 5.0V 1.0V, LLM Enabled IN OUT Ch. Ch. 0.01↔3A OUT ...
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PWM Load Transient 5.0V Ch. Ch. 0↔3A OUT OUT C = 22μ 47μF/1206 + 10µF/0805 IN OUT Power Up/Down at No Load 15nF soft-start capacitor, C Ch.1: ...
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Functional Block Diagram Functional Description Synchronous Buck Converter The EN6337QI is a programmable power supply with integrated power MOSFET switches and integrated inductor. The nominal input voltage range is 2.5V to 6.6V. The output programmed using an external resistor divider ...
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Additional Features: • The switching frequency can be phase- locked to an external clock to eliminate or move beat frequency tones out of band. • Soft-start circuit allowing controlled startup when the converter is initially powered up. The soft start ...
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Light Load Mode (LLM) Operation The EN6337QI uses a proprietary light load mode to provide high efficiency at low output currents. When the LLM/SYNC pin is high, the device is in automatic LLM “Detection” mode. When the LLM/SYNC pin is ...
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Thermal Overload Protection Thermal shutdown circuit will disable device operation when the Junction temperature exceeds approximately 150ºC. After a thermal shutdown event, when temperature drops by approx 20ºC, the converter will re-start with a normal soft-start. Input Under-Voltage Lock-Out Internal ...
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Typical PWM Ripple Voltages Typical Output Ripple (mVp-p) Output Capacitor (as measured on EN6337QI Configuration Evaluation Board µF 47 µ µF * Note: 20 MHz BW limit Recommended Output Capacitors Description MFG 47uF, 6.3V, 20% ...
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The θ value shown in JA Characteristics table on page 3 is for free convection with the device heat sunk (through the thermal pad copper plated four-layer PC board with a full ground and a full power plane ...
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Recommendation 6: AVIN is the power supply for the internal small-signal control circuits. It should be connected to the input voltage at a quiet point. In Figure 7 this connection is made at the input capacitor close to the V ...
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Recommended PCB Footprint ©Enpirion 2011 all rights reserved, E&OE 05800 Figure 9: EN6337QI Package PCB Footprint 16 6/17/2011 EN6337QI Dimensions in mm www.enpirion.com Rev: B ...
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Package and Mechanical 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 ...