STOD2540PUR STMicroelectronics, STOD2540PUR Datasheet
STOD2540PUR
Specifications of STOD2540PUR
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STOD2540PUR Summary of contents
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... V output voltage. The regulation is performed by a resistor divider network (figure 3) that detects the output voltage. Table 1. Device summary Order code STOD2540PUR July 2010 PMOLED display power supply QFN8 ( mm) In this state-of-the-art boost converter current path exists between the battery source and the load. In order to reduce the consumption ...
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Contents Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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STOD2540 1 Diagram Figure 1. Block diagram Doc ID 12204 Rev 10 Diagram 3/20 ...
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Pin configuration 2 Pin configuration Figure 2. Pin connections (top through view) Table 2. Pin description Pin n° Symbol 1 V Supply voltage Peak inductor current adjust SET 3 AGND Analog ground 4 FB Feedback for the ...
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STOD2540 3 Maximum ratings Table 3. Absolute maximum ratings Symbol Breakdown voltage at OUT and SW pin Supply voltage range pin SET SET EN Enable pin V ESD ratings, HBM MIL ...
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Electrical characteristics 4 Electrical characteristics ° ° kΩ Typ. values @ 25 °C, unless otherwise specified Table 5. Electrical characteristics Symbol Parameter V Input ...
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STOD2540 Table 5. Electrical characteristics (continued) Symbol Parameter Enable input logic low V EN Enable input logic high Line_V Line regulation Load_V Line regulation Guaranteed by design. Test condition Disable Low V IL ...
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Functional description 5 Functional description 5.1 Boost controller STOD2540 is a boost converter operating in PFM (pulsed frequency modulation) mode. The converter monitors the output voltage through the bridge resistor divider R when the feedback voltage falls below the reference ...
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STOD2540 5.5 Load isolation switch When the device is in shutdown mode current path always exists between the power source and the load; increasing the standby consumption. A high side switch LDS isolates the load from the source ...
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Typical application 6 Typical application Figure 3. Basic connection Table 6. External components (see Symbol Parameter D Boost schottky diode R Feedback resistor 1 R Feedback resistor 2 R Peak current limit adjust SET C Input ceramic type low ESR ...
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STOD2540 6.1 Demonstration board Figure 4. Suggested demonstration board schematic (top layer view) Doc ID 12204 Rev 10 Typical application 11/20 ...
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Typical performance characteristics 7 Typical performance characteristics ° ° kΩ Typ. values @ 25 °C, unless otherwise specified Figure 5. Efficiency vs. output current ...
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STOD2540 Figure 11. V vs. temperature OVP Figure 13. I vs. input voltage LIM_MAX Figure 15. I vs. R LIM_MAX SET Typical performance characteristics Figure 12. V RIPPLE Figure 14. I LIM_MAX Figure 16. I vs. temperature Q Doc ID ...
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Typical performance characteristics Figure 17. t vs. temperature ON_MAX Figure 19. Line V vs. temperature FB 14/20 Figure 18. t OFF_MIN Figure 20. Load V Doc ID 12204 Rev 10 STOD2540 vs. temperature vs. temperature FB ...
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STOD2540 8 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ...
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Package mechanical data Figure 21. Drawing dimension QFN8 ( mm) 16/20 Doc ID 12204 Rev 10 STOD2540 8057023_B ...
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STOD2540 Tape & reel QFNxx/DFNxx (3x3) mechanical data Dim. Min 12 mm. Typ. Max. Min. 180 13.2 0.504 0.795 2.362 14.4 3.3 3.3 1 Doc ID ...
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Package mechanical data Figure 22. QFN8 (3x3) footprint recommended data 18/20 Doc ID 12204 Rev 10 STOD2540 ...
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STOD2540 9 Revision history Table 8. Document revision history Date Revision 22-Mar-2006 1 03-Apr-2006 2 08-Jun-2006 3 23-Jun-2006 4 11-Sep-2006 5 27-Feb-2009 6 03-Mar-2009 7 11-Mar-2009 8 25-Nov-2009 9 01-Jul-2010 10 Initial release. Add fig. 2 demonstration board on page ...
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