ST1S03A STMicroelectronics, ST1S03A Datasheet
ST1S03A
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ST1S03A Summary of contents
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... Uses tiny capacitors and inductors ■ Available in DFN6 3x3 exposed pad Description The ST1S03A is a step down DC-DC converter optimized for powering low-voltage digital core in HDD applications and, generally, to replace the high current linear solution when the power Order codes Part number ...
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... Contents Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 www.DataSheet4U.com 5 Typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2/14 ST1S03A ...
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... ST1S03A 1 Diagram Figure 1. Schematic diagram www.DataSheet4U.com Diagram 3/14 ...
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... Pin description Pin N° Symbol GND IN_SW V 5 IN_A 6 N.C./INH 4/14 ST1S03A Voltage of feedback System ground Output of the internal power switch Power supply for the mosfet switch Power supply for the analog circuit Not connected / or inhibit ST1S03A ST1S03AI Note ...
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... ST1S03A 3 Maximum ratings Table 2. Absolute maximum ratings Symbol V Positive power supply voltage IN_SW V Positive power supply voltage IN_A V Max voltage of inhibit pin INH SWITCH Max. voltage of output pin Voltage V Feedback voltage FB I Common mode input voltage VFB www.DataSheet4U.com T Max junction temperature ...
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... J Min. Typ. Max. 784 800 816 600 1.5 1.2 0.4 1.5 0.8 1 0.2 0.2 Note: 1 1.2 1.5 1.8 87 2.5 200 = 3. 3. 130 150 15 = 25° Note 25°C A -10 +10 ST1S03A Unit µ Δ ΔI O MHz % °C ° ...
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... Finally, the ST1S03A has been designed to work properly with X5R or X7R SMD ceramic capacitors both at the input and at the output this kind of capacitors, thanks to their very low series resistance (ESR), minimize the output voltage ripple ...
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... Typical application Due to the high switching frequency and peak current important to optimize the application environment reducing the length of the PCB traces and placing all the external component near the device. www.DataSheet4U.com 8/14 ST1S03A ...
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... ST1S03A 6 Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK These packages have a Lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label ...
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... Package mechanical data DIM www.DataSheet4U.com 10/14 DFN6 (3x3) MECHANICAL DATA mm. MIN. TYP MAX. 0.80 1.00 0 0.05 0.65 0.75 0.20 0.33 0.43 2.90 3.00 3.10 1.92 2.12 2.90 3.00 3.10 1.11 1.31 0.95 0.20 0.45 0.24 0.13 0.20 ST1S03A inch MIN. TYP. MAX. 31.5 39.4 0.0 2.0 25.6 29.5 7.9 13.0 16.9 114.2 118.1 122.0 75.6 83.5 114.2 118.1 122.0 43.7 51.6 37.4 7.9 17.7 9.4 5.1 7.9 7387339A ...
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... ST1S03A Dim www.DataSheet4U.com DFN6D (3x3) Mechanical Data mm. Min. Typ. Max. 0.80 1.00 0 0.02 0.05 0.20 0.23 0.45 2.90 3.00 3.10 2.23 2.50 2.90 3.00 3.10 1.50 1.75 0.95 0.30 0.40 0.50 Package mechanical data inch. Min. Typ. Max. 0.031 0.039 0 0.001 0.002 0.008 0.009 0.018 0.114 0.118 0.122 0.088 0.098 0.114 0.118 0.122 0.059 0.069 0.037 0.012 0.016 ...
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... Package mechanical data Tape & Reel QFNxx/DFNxx (3x3) Mechanical Data Dim www.DataSheet4U.com 12/14 mm. Min. Typ. Max. 330 12.8 13.2 20.2 60 18.4 3.3 3.3 1 ST1S03A inch. Min. Typ. Max. 12.992 0.504 0.519 0.795 2.362 0.724 0.130 0.130 0.043 0.157 0.315 ...
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... ST1S03A 7 Revision history Table 5. Revision history Date 04-May-2006 06-Jun-2006 29-May-2007 www.DataSheet4U.com Revision 1 First release. 2 Table 2. has been updated. 3 Add new mechanical data DFN6D and order codes has been updated. Revision history Changes 13/14 ...
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... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 14/14 Please Read Carefully: © 2007 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com ST1S03A ...