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ISL6160 Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL6160 Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 11 page 1 ® FN9028.1 ISL6160 InfiniBand +12V Bulk and +5V Auxiliary Power Controller The ISL6160 is designed to address the unique power requirements of the InfiniBand (IB) industry initiative providing independent power control of both the VB(bulk) (+12V) and the VA(auxiliary) (+5V) power rails for a single port. This device can be implemented in both IB Class I (non isolated) and Class II (isolated) Power Topology applications. The ISL6160, along with an N-Channel power MOSFET and a minimal number of passive components provides soft starting ramps of both the VB and VA voltages for an IB module. It also provides accurate and consistent current regulated outputs for a determined period of time before latch-off in the presence of overcurrent (OC) conditions. In addition the ISL6160 provides the enable signal to the on module DC-DC converter either upon module insertion to chassis or from a wake event request. See Figure 1 for typical application usage. Features • VB Programmable Overcurrent Protection Regulation Level for 25W and 50W Ports • Internal Charge Pump Allows the Use of an N-Channel MOSFET for VB Control • VB Adjustable Turn-On Ramp • Soft Start Overcurrent Protection During Turn-On • Two Levels of VB Overcurrent Detection and Protection • VA and VB Undervoltage Lock-Outs •0.125 Ω Integrated Power N-Channel MOSFET VA Switch • Accurate VA Current Sensing and Limiting (1A) • Timed Current Regulation Period (VB Optional) • VA Controlled Turn-On Ramp Time •1 µs Response Time to VB Secondary Rail Dead Short • Pb-free available Applications • InfiniBand VB and VA Voltage Control • -48V and 5V Telecom Pinout ISL6160 (14 LEAD SOIC) TOP VIEW Ordering Information PART NUMBER TEMP. RANGE (oC) PACKAGE PKG. DWG. # ISL6160CB -40 to 85 14 Ld SOIC M14.15 ISL6160CBZA (See Note) -40 to 85 14 Ld SOIC (Pb-free) M14.15 ISL6160EVAL2 IB Class I Power Topology Evaluation Platform *Add “-T” suffix to part number for tape and reel packaging. NOTE: Intersil Pb-free products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which is 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-020B. FIGURE 1. TYPICAL APPLICATION USAGE + VB(ulk) DC-DC EN VA_FLTn VA_ENn VB_ON VA_IN VA_Out ISET ISEN GATE VB_IN VB_Ret + VA(ux) (OPT.) VA_Ret LOCAL PWR EN VBxEN_L VB SECONDARY RAIL TO DC-DC TO DC-DC CTIM (OPT.) GATE VB_Ret VB_IN CTIM DC-DC ENABLE ISET VA_FLTn 1 2 3 4 5 6 7 14 13 12 11 10 9 8 ISEN VA_OUT VA_ENn VA_IN NC VA_Ret VB_ON Data Sheet July 2004 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2001, 2004. All Rights Reserved All other trademarks mentioned are the property of their respective owners. |
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