STEVAL-ISA043V1 STMicroelectronics, STEVAL-ISA043V1 Datasheet
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STEVAL-ISA043V1
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STEVAL-ISA043V1
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STEVAL-ISA043V1 Summary of contents
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Synchronous rectification with inhibit, 1.5 A, 1.5 MHz fixed or Features ■ Step-down current mode PWM (1.5 MHz) DC- DC converter ■ output voltage tolerance ■ Synchronous rectification ■ Inhibit function ■ Internal soft start ■ Typical efficiency: ...
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Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Diagram Figure 1. Schematic diagram Doc ID 12236 Rev 9 3/20 ...
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Pin configuration Figure 2. Pin configuration (top view) ST1S06 * Pin for ADJ version and V FB Table 2. Pin description Pin n° Symbol 1 FB/V Feedback voltage / output voltage O 2 GND System ground ...
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Maximum ratings Table 3. Absolute maximum ratings Symbol V Positive power supply voltage IN_SW V Positive power supply voltage IN_A V Inhibit voltage INH SWITCH Max. voltage of output pin voltage V /V Feedback voltage Output ...
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Electrical characteristics IN_SW IN_A 125 °C unless otherwise specified. Typical values are referred to T Table 5. Electrical characteristics for ST1S06 Symbol Parameter FB Feedback voltage I V pin bias current ...
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IN_SW IN_A 125 °C unless otherwise specified. Typical values are referred to T Table 6. Electrical characteristics for ST1S06PM12 Symbol Parameter OUT Output feedback pin I I pin bias current Minimum input ...
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IN_SW IN_A 125 °C unless otherwise specified. Typical values are referred to T Table 7. Electrical characteristics for ST1S06PM33 Symbol Parameter OUT Output feedback pin I I pin bias current Minimum input ...
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Typical performance characteristics IN_SW IN_A specified. Typical values are referred to 25 °C. Figure 3. Efficiency vs. output current Figure 5. Efficiency vs. output current Figure 7. Efficiency vs. output current = 5 V, ...
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Figure 9. Voltage feedback vs. temperature Figure 11. Feedback pin bias current vs. temperature Figure 13. Quiescent current vs. temperature 10/20 Figure 10. Input voltage vs. output voltage Figure 12. Quiescent current vs. temperature Figure 14. Inhibit voltage vs. input ...
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Figure 15. Inhibit voltage vs. temperature Figure 17. Line regulation vs. temperature Figure 19. PWM switching frequency vs. temperature Figure 16. Inhibit voltage vs. temperature Figure 18. Load regulation vs. temperature Figure 20. NMOS switch on resistance vs. temperature Doc ...
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Figure 21. PMOS switch on resistance vs. temperature Figure 23. Inhibit transient INH O 12/20 Figure 22. Inhibit transient ...
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Typical application Figure 24. Application circuit Doc ID 12236 Rev 9 13/20 ...
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Application notes The ST1S06xx is an adjustable current mode PWM step-down DC-DC converter with internal 1.5 A power switch, packaged in a 6-lead DFN 3x3. It’s a complete 1.5 A switching regulator with its internal compensation eliminating additional component. ...
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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 ...
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Dim. Min 0.23 D 2.90 D2 2.23 E 2. 0.30 16/20 DFN6D (3x3 mm) mechanical data mm. Typ. Max. 1.00 0.02 0.05 0.20 0.45 3.00 3.10 2.50 3.00 3.10 1.75 ...
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Tape and reel QFNxx/DFNxx (3x3 mm) mechanical data mm. Dim. Min. Typ 12 3.3 Bo 3 Max. Min. 330 13.2 0.504 0.795 2.362 18 Doc ID ...
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Figure 25. DFN6 (3x3 mm) footprint recommended data 18/20 Doc ID 12236 Rev 9 ...
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Revision history Table 8. Document revision history Date Revision 08-May-2006 1 06-Jun-2006 2 16-Oct-2006 3 09-Nov-2006 4 03-Apr-2007 5 12-Mar-2008 6 15-Apr-2008 7 10-Apr-2009 8 06-May-2009 9 Changes Initial release. Table 3 updated. Add new mechanical data DFN6D. Mechanical ...
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... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...