STEVAL-ISA048V1 STMicroelectronics, STEVAL-ISA048V1 Datasheet
STEVAL-ISA048V1
Specifications of STEVAL-ISA048V1
Related parts for STEVAL-ISA048V1
STEVAL-ISA048V1 Summary of contents
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Micropower 1A synchronous step-up DC-DC converter Features ■ Very low supply current: 500µA (typ) ■ Output voltage adjustable from 6V to 12V ■ Output voltage accuracy: ±2% ■ Output current ■ Low ripple voltage: 5mV (typ) ■ ...
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Contents 1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Block diagram Figure 1. Schematic diagram Thermal Thermal INH INH Inhibit Inhibit REF REF LX LX PGND PGND PWM Control PWM Control PGND PGND GND GND OUT OUT FB FB 3/19 ...
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Pin configuration Figure 2. Pin connections (top view) Table 1. Pin description Pin n° Symbol PGND 3 GND INH OUT EXP pad GND 4/19 Name and function Switching ...
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Typical application circuit 3 Figure 3. Application circuit =10µF =10µ L=4.7µH L=4.7µ OUT OUT INH INH ST8R00 ST8R00 FB FB GND GND PGND PGND ...
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Maximum ratings Table 2. Absolute maximum ratings Symbol V Output voltage O V Input voltage I V Inhibit voltage INH V LX pin voltage pin output current LX T Storage temperature range STG T Operating junction ...
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Electrical characteristics Table 5. Electrical characteristics for the ST8R00 ( -25°C to 125° Symbol Parameter V Output voltage O V Start-up voltage START-UP V Input voltage range I V Feedback voltage FB V Feedback voltage ...
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Table 6. Electrical characteristics for the ST8R00W ( -25°C to 125° Symbol Parameter V Output voltage O V Start-up voltage START-UP V Input voltage range I V Feedback voltage FB V Feedback voltage FB_OFF I Feedback ...
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Typical characteristics (L = 4.7µ Figure 4. Voltage feedback vs temperature 1.3 1.3 1.28 1.28 1.26 1.26 1.24 1.24 1.22 1.22 1.2 1.2 1.18 1.18 1.16 1.16 1.14 1.14 1.12 1.12 1.1 1.1 -75 ...
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Figure 10. Inhibit voltage vs temperature =4V, V =4V, V from 0 to 2V, I from 0 to 2V, I =50mA =50mA I I INH INH O O 2.5 2 1.5 1 ...
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Figure 16. Internal leakage current vs temperature 0.1 0.1 0.09 0.09 0.08 0.08 0.07 0.07 0.06 0.06 0.05 0.05 0.04 0.04 0.03 0.03 0.02 0. =5V, V =5V, V =2V, V =2V, V =4V, No Inductor ...
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Figure 22. Output voltage vs input voltage (for ST8R00W) 12.00 12.00 125°C 125°C 10.00 10.00 25°C 25°C 8.00 8.00 0°C 0°C -25°C -25°C 6.00 6.00 4.00 4.00 2.00 2. INH INH 0.00 0.00 0 ...
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Figure 28. Load transient V =V =5V, I =from 10mA to 500mA I INH O Figure 30. INH transient V =6, V from 0V to 2V, I =1A I INH O Figure 29. Line transient ...
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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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DFN8 (4x4) Mechanical Data mm. Dim. Min. Typ. A 0.80 0. 0.02 A3 0.20 b 0.23 0.30 D 3.90 4.00 D2 2.82 3.00 E 3.90 4.00 E2 2.05 2.20 e 0.80 L 0.40 0.50 inch. Max. Min. Typ. ...
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Figure 32. DFN8 (4x4) Footprint Recommended Data 16/19 ...
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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 inch. Typ. ...
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Revision history Table 7. Revision history Date Revision 23-May-2007 1 18/19 Changes Initial release. ...
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