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ISL8118IRZ-T Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL8118IRZ-T Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 20 page 1 ISL8118 3.3V to 20V, Single-Phase PWM Controller with Integrated 2A/4A MOSFET Drivers The ISL8118 is a single-phase PWM controller featuring an input voltage range of +3.3V to +20V and integrated MOSFET drivers. Utilizing voltage-mode operation with input voltage feed-forward compensation, the ISL8118 maintains a constant loop gain, providing optimal transient response for applications with a wide input operating voltage range. The output voltage can be precisely regulated down to 0.591V with a system tolerance of ±1.0% over the induct rail temperature range and line and load variations. A external reference input is provided to bypass the internal reference for voltage tracking or DDR memory applications. The compact 28 Ld 5x5 QFN package, integrated linear regulator as well as the external linear regulator drive option, integrated differential remote sense amplifier and integrated voltage margining with adjustable upper and lower settings decrease external component count and reduce board space requirements. Programmable soft-start with pre-biased load capability, adjustable operating frequency from 250kHz to 2MHz, sourcing and sinking overcurrent protection, overvoltage and undervoltage protection, and power-good indication with programmable delay combine to make the ISL8118 a superior choice for many power supply systems. Pinout ISL8118 (28 LD 5x5 QFN) TOP VIEW Features • Wide Input Voltage Range: +3.3V to +20V • High-Speed 2A/4A MOSFET Gate Drivers that Operate from 2.9V to 5.6V • Operating Junction Temperature Range –40°C to +125°C • External Reference Input • Input Voltage Feed-forward Compensation • Internal Linear Regulator • External Linear Regulator Drive Available • High System Accuracy: - ±0.68% Over the Range of 0°C to +70°C - ±1.00% Over the Range of -40°C to +85°C • Programmable Operating Frequency from 250kHz to 2MHz • Programmable Soft-Start with Pre-biased Load Capability • Integrated Unity-Gain Differential Remote Sense Amplifier • Enable Input with Voltage Monitoring Capability • Integrated Voltage Margining with Independent Upper and Lower Settings • Overvoltage and Undervoltage Protection • Low-Side and High-Side MOSFET Current Sensing • Overcurrent Protection for Sourcing and Sinking Currents • Power-Good Indicator with Programmable Delay • Compact 28 Ld 5x5 QFN Package • Pb-Free (RoHS Compliant) Applications • Telecom and Datacom Servers • Point of Load Modules • Routers and Switchers • High Current Distributed Power Supplies VSENSP REFOUT LX BOOT TGATE PGND BGATE SS OFSN PVCC EXDRV OFSP REFIN 1 2 3 4 5 6 7 21 20 19 18 17 16 15 28 27 26 25 24 23 22 8 9 10 11 12 13 14 GND BOTTOM SIDE PAD VSENSN Ordering Information PART NUMBER (Note) PART MARKING TEMP. RANGE (°C) PACKAGE (Pb-Free) PKG. DWG. # ISL8118CRZ ISL8118CRZ 0 to +70 28 Ld 5x5 QFN L28.5x5 ISL8118IRZ ISL8118IRZ -40 to +85 28 Ld 5x5 QFN L28.5x5 Add “-T*” suffix for tape and reel. Please refer to TB347 for details on reel specifications. NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. Data Sheet November 29, 2012 FN6325.2 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2006, 2009, 2012. All Rights Reserved Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. |
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