STEVAL-ISA046V2 STMicroelectronics, STEVAL-ISA046V2 Datasheet
STEVAL-ISA046V2
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STEVAL-ISA046V2 Summary of contents
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A, 1.5 MHz PWM step-down switching regulator Features ■ 1.5 MHz fixed frequency PWM with current control mode ■ output current capability ■ Typical efficiency: > 90% ■ output voltage tolerance ■ Two versions ...
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Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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ST1S09 1 Diagram Figure 1. Schematic diagram (*) Only for ST1S09IPU (**) Only for ST1S09PU Doc ID 13632 Rev 4 Diagram 3/18 ...
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Pin configuration 2 Pin configuration Figure 2. Pin connections (top view) ST1S09 Table 2. Pin description Pin n° Symbol GND IN_SW 5 V IN_A 6 INH/PG/NC Exposed GND Pad 4/18 ST1S09A Name and ...
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ST1S09 3 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 (I version) INH SWITCH Voltage Max. voltage of output pin V Feedback voltage FB PG ...
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Electrical characteristics 4 Electrical characteristics Refer to Figure µ 2.7 µ referred to 25 °C) Table 6. Electrical characteristics for ST1S09PU Symbol Parameter FB Feedback voltage I V pin bias current FB ...
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ST1S09 Refer to Figure µ 2.7 µH, T referred to 25 °C) Table 7. Electrical characteristics for ST1S09IPU Symbol Parameter FB Feedback voltage I V pin bias current Minimum input voltage ...
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Typical performance characteristics 5 Typical performance characteristics L = 3.3 µ 4.7 µ Figure 3. Voltage feedback vs. temperature 840 840 V V =5V, I =5V, I =10mA =10mA 830 830 820 ...
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ST1S09 Figure 9. Line regulation vs. temperature 1 1 0.8 0 @1.2V @1. from 2.7V to 5.5V from 2.7V to 5.5V 0.6 0.6 0.4 0.4 0.2 0.2 0 ...
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Typical performance characteristics Figure 15. Efficiency vs. temperature 100 100 V V =3.3V =3. =5V, I =5V, I =100mA =100mA ...
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ST1S09 6 Typical application Figure 21. Application circuits Figure 22. Application circuits Doc ID 13632 Rev 4 Typical application 11/18 ...
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Application information 7 Application information The ST1S09 is an adjustable current mode PWM step-down DC-DC converter with internal 2 A power switch, packaged in a DFN6 mm. The device is a complete 2 A switching regulator with ...
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ST1S09 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 Dim. Min 0.23 D 2.90 D2 2.23 E 2. 0.30 14/18 DFN6D (3x3) Mechanical Data mm. Typ. Max. 1.00 0.02 0.05 0.20 0.45 3.00 3.10 2.50 3.00 ...
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ST1S09 Figure 23. DFN6 ( mm) footprint recommended data Doc ID 13632 Rev 4 Package mechanical data 15/18 ...
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Package mechanical data Tape & Reel QFNxx/DFNxx (3x3) Mechanical Data Dim. Min 12 16/18 mm. Typ. Max. Min. 330 13.2 0.504 0.795 2.362 18.4 3.3 3.3 1.1 4 ...
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ST1S09 9 Revision history Table 8. Document revision history Date Revision 18-Jun-2007 1 05-Jul-2007 2 31-Jan-2008 3 19-Apr-2010 4 First release. Removed incorrect watermark. Modified: Table 6 on page 6. Modified: Table 1 on page 1. Doc ID 13632 Rev ...
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