ISL88031 Intersil Corporation, ISL88031 Datasheet
ISL88031
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ISL88031 Summary of contents
Page 1
... This device combines popular functions such as Power On Reset, Undervoltage Supply Supervision, reset signaling and Manual Reset. Monitoring up to five different voltages in a small 8 Ld MSOP package, the ISL88031 devices can help to lower system cost, reduce board space requirements, and increase the reliability of multi-voltage systems. Low V detection circuitry protects the user’ ...
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... APR ISL88031IU8HAZ APS ISL88031IU8ECZ APT ISL88031IU8EAZ APZ NOTES: 1. Add “-TK” suffix for Tape and Reel. 2. Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are 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 ...
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... ISL88031 Thermal Information Thermal Resistance (Typical, Note 3) MSOP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . TEST CONDITIONS V = 5.0V DD V2MON = 3.3V V3, V4, V5MON = 1.0V ISL88031IU8HxZ DD ISL88031IU8ExZ V = 4.64V TH1 V = 2.90V TH1 ISL88031IU8xFZ ISL88031IU8xEZ ISL88031IU8xCZ ISL88031IU8xAZ V = 3.09V TH2 V = 2.92V TH2 V = 2.32V TH2 V = 1.69V TH2 V for V3MON TH for V4MON, V5MON TH ≥ 3.3V, Sinking 2.5mA V ...
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... RST output to go low when the voltage on V2MON falls below V . TH2 V3MON, V4MON, and V5MON The VxMON inputs provide monitoring and UV compliance of three additional voltages through resistor dividers. A reset is issued on the ISL88031 if the voltage on any VxMON falls below the internal V of 0.6V. REF 4 ISL88031 TEST CONDITIONS ...
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... Power On Reset (POR) Applying power to the ISL88031 activates a POR circuit which makes the reset pin(s) active (i.e. RST goes high while RST goes low). These signals provide several benefits: • It prevents the system microprocessor from starting to operate with insufficient voltage. • It prevents the processor from operating prior to stabilization of the oscillator. • ...
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... VMON V TH RST FIGURE 4. ISL88031EVAL1 SCHEMATIC AND PHOTOGRAPH 5V 3.3V 2.1V 1. 107ms 1V POR 20ms/DIV FIGURE 5. ISL88031 t POR 6 ISL88031 t t RPD POR FIGURE 3. VOLTAGE MONITORING DIAGRAM 5V 3.3V 2.1V 1.5V RST 5V/DIV RST t = 7.5µs 1V RPD 5V/DIV 20µs/DIV FIGURE 6. ISL88031 t RPD March 31, 2006 FN8227.0 ...
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... However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 7 ISL88031 M8.118 (JEDEC MO-187AA) 8 LEAD MINI SMALL OUTLINE PLASTIC PACKAGE SYMBOL ...