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ISL88042IRTJJZ-TK Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL88042IRTJJZ-TK Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 8 page 1 ® FN6655.1 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. 2008, 2009. All Rights Reserved All other trademarks mentioned are the property of their respective owners. ISL88042 Quadruple Voltage Monitor The ISL88042 is a Quadruple voltage-monitoring supervisor combining competitive reset threshold accuracy and low power consumption. This device combines popular functions such as Power-On Reset, Undervoltage Supply Supervision, reset signaling and Manual Reset. Monitoring four different supplies in a 8 Ld 2x3 TDFN package, the ISL88042 devices can help to lower system cost, reduce board space requirements, and increase the reliability of multi-voltage systems. Low VDD detection circuitry protects the user’s system from low voltage conditions, resetting the system when VDD or any of the other monitored power supply voltages fall below their respective minimum voltage thresholds. The reset signal remains asserted until all of these voltages return to proper operating levels and stabilize. Two of the four voltage monitors have preset thresholds for either dual 3.3V or one each for one 5V and one 3.3V supplies. Users can adjust the threshold voltages of the third and fourth voltage monitors in order to meet specific system level requirements. Pinout ISL88042 (8 LD TDFN) TOP VIEW Features • Quadruple Voltage Monitoring • Fixed-Voltage Options Allow Precise Monitoring of +5.0V and +3.3V Power Supplies • Two Adjustable Voltage Inputs Monitor Voltages > 0.6V • 95ms Nominal Reset Pulse Width • Manual Reset Capability • Reset Signals Valid Down to VDD = 1V • Immune to Power-Supply Transients • Low 22µA Maximum Supply Current at 5V • Pb-Free (RoHS Compliant) Applications • Telecom and Datacom Systems • Routers and Servers • Access Concentrators • Cable/Satellite Applications • Desktop and Notebook Computer Systems • Data Storage Equipment • Set-Top Boxes • Industrial Equipment • Multi-Voltage Systems 1 2 3 4 8 7 6 5 VDD V2MON GND RST VDDA V4MON V3MON MR EPAD (GND) Ordering Information PART NUMBER (Notes 1, 2) PART MARKING VTH1 (V) VTH2 (V) TEMP RANGE (°C) PACKAGE Tape & Reel (Pb-free) PKG. DWG. # ISL88042IRTHFZ-T 4P6 4.60 3.09 -40 to +85 8 Ld TDFN L8.2x3A ISL88042IRTHFZ-TK 4P6 4.60 3.09 -40 to +85 8 Ld TDFN L8.2x3A ISL88042IRTEEZ-T 2P9 2.87 2.95 -40 to +85 8 Ld TDFN L8.2x3A ISL88042IRTEEZ-TK 2P9 2.87 2.95 -40 to +85 8 Ld TDFN L8.2x3A ISL88042IRTJJZ-T 2P8 2.78 2.86 -40 to +85 8 Ld TDFN L8.2x3A ISL88042IRTJJZ-TK 2P8 2.78 2.86 -40 to +85 8 Ld TDFN L8.2x3A NOTES: 1. Please refer to TB347 for details on reel specifications. 2. 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 June 8, 2009 |
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