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ISL6115CB 데이터시트(PDF) 1 Page - Intersil Corporation |
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ISL6115CB 데이터시트(HTML) 1 Page - Intersil Corporation |
1 / 13 page 1 Power Distribution Controllers ISL6115, ISL6116, ISL6117, ISL6120 This family of fully featured hot swap power controllers targets applications in the +2.5V to +12V range. The ISL6115 is for +12V control, the ISL6116 for +5V, the ISL6117 for +3.3V and the ISL6120 for +2.5V control applications. Each has a hard wired undervoltage (UV) monitoring and reporting threshold level approximately 80% of the aforementioned voltage. The ISL6115 has an integrated charge pump allowing control of up to +16V rails using an external N-Channel MOSFET whereas the other devices utilize the +12V bias voltage to fully enhance the N-Channel pass FET. All ICs feature programmable overcurrent (OC) detection, current regulation (CR) with time delay to latch-off and soft-start. The current regulation level is set by 2 external resistors; RISET sets the CR Vth and the other is a low ohmic sense element across, which the CR Vth is developed. The CR duration is set by an external capacitor on the CTIM pin, which is charged with a 20µA current once the CR Vth level is reached. If the voltage on the CTIM capacitor reaches 1.9V the IC then quickly pulls down the GATE output latching off the pass FET. This family although designed for high side switch control the ISL6116, ISL6117, ISL6120 can also be used in a low side configuration for control of much higher voltage potentials. Features • HOT SWAP Single Power Distribution Control (ISL6115 for +12V, ISL6116 for +5V, ISL6117 for +3.3V and ISL6120 for +2.5V) • Overcurrent Fault Isolation • Programmable Current Regulation Level • Programmable Current Regulation Time to Latch-Off • Rail-to-Rail Common Mode Input Voltage Range (ISL6115) • Internal Charge Pump Allows the Use of N-Channel MOSFET for +12V Control (ISL6115) • Undervoltage and Overcurrent Latch Indicators • Adjustable Turn-On Ramp • Protection During Turn-On • Two Levels of Overcurrent Detection Provide Fast Response to Varying Fault Conditions • 1µs Response Time to Dead Short • Pb-Free Available (RoHS Compliant) Applications • Power Distribution Control • Hot Plug Components and Circuit Application Circuits- High Side Controller Application Two - Low Side Controller +12V - + PWRON LOAD PGOOD OC 1 2 3 4 8 7 6 5 ISL6115 +V SUPPLY TO BE CONTROLLED ISL6116 ISL6117 ISL6120 LOAD 12V REG +VBUS OC PWRON ISL6116 ISL6117 ISL6120 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2004-2008, 2010. All Rights Reserved All other trademarks mentioned are the property of their respective owners. April 29, 2010 FN9100.7 |
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