STEVAL-ISA049V1 STMicroelectronics, STEVAL-ISA049V1 Datasheet
STEVAL-ISA049V1
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STEVAL-ISA049V1 Summary of contents
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Dual synchronous rectification with reset or inhibit, 0.5 A, 1.5 MHz Features ■ Step-down current mode PWM (1.5 MHz) DC-DC converter ■ Fixed or adjustable output voltage from 0.8 V ■ output voltage tolerance ■ Synchronous rectification ■ ...
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Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Diagram Figure 1. Schematic diagram RESET_OUT * RESET_OUT * Delay Delay HV HV Trimming Trimming FB1 FB1 FB2 FB2 Ref Ref Soft Start Soft Start GND GND * ST2S06A/D ** ST2S06B VI_A VI_A Ref Ref CONTROL CONTROL LOGIC LOGIC ...
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Pin configuration Figure 2. Pin connections (top view) Table 2. Pin description Pin n° ST2S06A ST2S06B FB2 3 GND2 4 SW2 5 VIN_SW 6 SW1 7 GND1 8 FB1/OUT1 9 Reset_out VIN_A 12 ...
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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 voltage Max. voltage of output pin V /V Feedback voltage/output voltage FB1 ...
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Electrical characteristics IN_SW IN_A µ 125 °C unless otherwise specified. Typical values are referred to 25 °C. J Table 6. Electrical characteristics for ST2S06A33 Symbol Parameter OUT ...
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IN_SW IN_A T = -30 to 125 °C unless otherwise specified. Typical values are referred to 25 °C. J Table 7. Electrical characteristics for ST2S06B Symbol Parameter FB Feedback voltage 1 ...
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Typical performance characteristics Figure 3. Feedback voltage 1 vs. temperature (ST2S06B) 0.82 0. =5V, V =5V, V connected to V connected FB1 FB1 =NO LOAD =NO LOAD ...
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Figure 9. Switching frequency vs. temperature (ST2S06B) 1.9 1.9 1.8 1.8 1.7 1.7 1.6 1.6 1.5 1.5 1.4 1.4 1.3 1.3 1.2 1.2 1.1 1.1 -50 -50 -25 - Temperature [°C] Temperature [°C] Figure ...
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Figure 15. Delay time vs. temperature (ST2S06A) 100 100 Rising from Rising from ...
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Typical application Figure 21. Application circuit for ST2S06A VIN_A VIN_A VIN_SW VIN_SW NC NC Reset_Out Reset_Out GND1 GND1 C1 C1 4.7µF 4.7µF Figure 22. Application circuit for ST2S06B VIN_A VIN_A VIN_SW ...
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Application information The ST2S06 represents a series of dual adjustable current mode PWM step-down DC-DC converters with an internal 0.5 A power switch, packaged in a QFN12L (4x4 mm complete 0.5 A switching regulator with internal ...
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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: www.st.com. ® ...
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Dim. Min 0.25 D 3.90 D2 2.00 E 3. 0.45 14/18 QFN12L (4x4) mechanical data mm. Typ. Max. 0.90 1.00 0.02 0.05 0.20 0.30 0.35 4.00 4.10 2.15 2.25 4.00 4.10 ...
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Tape & reel QFNxx/DFNxx (4x4) mechanical data mm. Dim. Min. Typ 12 4.35 Bo 4. Max. Min. 330 13.2 0.504 0.795 101 3.898 14 Doc ID ...
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Figure 24. QFN12L (4x4 mm) footprint recommended data 16/18 Doc ID 13866 Rev 4 ...
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Revision history Table 8. Document revision history Date Revision 3-Sep-2007 1 21-Jan-2008 2 18-Mar-2008 3 28-Jul-2009 4 Changes Initial release. Added root part number ST2S06D33. Modified: Table 2 on page 4 . Modified: Table 1 on page 1 . ...
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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. ...