STEVAL-ISA042V1 STMicroelectronics, STEVAL-ISA042V1 Datasheet
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STEVAL-ISA042V1
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STEVAL-ISA042V1 Summary of contents
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Features ■ Step-down current mode PWM (1.5 MHz) DC-DC converter ■ output voltage tolerance ■ Internal soft start for START-UP current limitation and power on delay of 50-100 µs ■ Typical efficiency: > over all ...
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Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Diagram Figure 1. Schematic diagram 3/16 ...
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Pin configuration Figure 2. Pin connections (top view) Table 2. Pin description Pin n° Symbol GND IN_SW 5 V IN_A 6 N.C. 4/16 Name and function Voltage of feedback 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 SWITCH voltage Max voltage of output pin V Feedback voltage FB I Common mode input voltage VFB T Max ...
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Electrical characteristics Table 5. Electrical characteristics ( 125 °C, unless otherwise specified. Typical values are referred to 25 °C) J Symbol Parameter FB Feedback voltage I V pin bias current Quiescent current ...
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Application notes The ST1S03 is an adjustable current mode PWM step-down DC-DC converter with internal 1.5 A power switch, packaged in 6-lead DFN 3x3 mm. It’s a complete 1.5 A switching regulator with its internal compensation eliminating additional component. ...
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Typical application Figure 3. Application circuits 8/16 ...
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Typical performance characteristics (L1 = 3.3 µ 4.7 µ Figure 4. Load voltage feedback vs temp. Figure 6. Line output voltage regulation vs temperature Figure 8. Voltage feedback vs output current Figure ...
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Figure 10. Quiescent current vs temperature Figure 12. Minimum operating voltage vs output voltage Figure 14. Efficiency vs output current 10/16 Figure 11. Quiescent current vs input voltage Figure 13. Efficiency vs temperature Figure 15. Switch V vs temperature DS ...
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Figure 16. Switch RDS-ON vs temperature Figure 18. Load transient response V =5V, I =100mA to 780mA, C =4.7µ L=3.3µH, T =38µs, T =25° Figure 20. Start-Up transient 25°C ...
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Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on the inner ...
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DFN6D (3x3 mm) mechanical data mm. Dim. Min. Typ 0.02 A3 0.20 b 0.23 D 2.90 3.00 D2 2.23 E 2.90 3.00 E2 1.50 e 0.95 L 0.30 0.40 inch. Max. Min. Typ. 1.00 0.031 0.05 ...
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Tape & Reel QFNxx/DFNxx (3x3) Mechanical Data Dim. Min 12 14/16 mm. Typ. Max. Min. 330 13.2 0.504 0.795 2.362 18.4 3.3 3.3 1 inch. Typ. ...
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Revision history Table 6. Document revision history Date Revision 11-Nov-2004 1 08-Feb-2005 2 03-Mar-2005 3 13-Jul-2005 4 29-Mar-2007 5 07-Mar-2008 6 Changes First Release. Maturity Change. Mistake on Figure changed 125 ==> 150°C on Table 3. ...
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