LD3985XX28 STMicroelectronics, LD3985XX28 Datasheet
LD3985XX28
Specifications of LD3985XX28
Related parts for LD3985XX28
LD3985XX28 Summary of contents
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... RMS decreasing the total power consumption. The LD3985xx is designed to work with low ESR ceramic capacitors. Typical applications are in mobile phone and similar battery powered wireless systems. Part numbers Doc ID 9587 Rev 14 LD3985xx SOT23-5L TSOT23-5L LD3985XX28 LD3985XX29 LD3985XX30 LD3985XX33 LD3985XX47 1/23 www.st.com 23 ...
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Contents Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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LD3985xx 1 Diagram Figure 1. Schematic diagram Doc ID 9587 Rev 14 Diagram 3/23 ...
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Pin configuration 2 Pin configuration Figure 2. Pin connections (top view for SOT and TSOT, top through view for Flip-chip) SOT23-5L/TSOT23-5L Table 2. Pin description Pin n° for Pin n° for SOT23-5L/ Symbol Flip-chip TSOT23- ...
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LD3985xx 3 Typical application Figure 3. Typical application circuit Doc ID 9587 Rev 14 Typical application 5/23 ...
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Maximum ratings 4 Maximum ratings Table 3. Absolute maximum ratings Symbol V DC input voltage output voltage O V INHIBIT input voltage INH I Output current O P Power dissipation D T Storage temperature range STG T ...
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LD3985xx 5 Electrical characteristics ° otherwise specified. Table 5. Electrical characteristics for LD3985 Symbol Parameter V Operating input voltage I V Output voltage < 2 Output voltage ≥ 2.5 V ...
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Electrical characteristics Table 5. Electrical characteristics for LD3985 (continued) Symbol Parameter SVR Supply voltage rejection I Peak output current O(PK) Inhibit input logic low V INH Inhibit input logic high I Inhibit input current INH eN Output noise voltage (4) ...
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LD3985xx 6 Typical performance characteristics ° unless otherwise specified. Figure 4. Output voltage vs. temperature Figure 6. Output voltage vs. temperature Figure 8. Shutdown voltage vs. temperature +0 ...
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Typical performance characteristics Figure 10. Line regulation vs. temperature Figure 12. Load regulation vs. temperature Figure 14. Load regulation vs. temperature 10/23 Figure 11. Line regulation vs. temperature Figure 13. Load regulation vs. temperature Figure 15. Quiescent current vs. temperature ...
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LD3985xx Figure 16. Quiescent current vs. temperature Figure 18. Supply voltage rejection vs. frequency Figure 20. Line transient response V = 3.8V to 4.4V 25° 150mA (X7R 10nF, Rise-Fall time ...
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Typical performance characteristics Figure 22. Turn-Off V = 3.3V 1mA 1mF (cer 20ns 2. 12/23 = 10nF, BYP Doc ID 9587 Rev 14 ...
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LD3985xx 7 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. A 0.90 A1 0.00 A2 0.90 b 0.35 C 0.09 D 2. 2.60 L 0.10 14/23 SOT23-5L mechanical data mm. Typ. Max. 1.45 0.10 1.30 0.50 0.20 3.00 1.75 0.95 3.00 ...
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LD3985xx Dim. Min 0.7 b 0 0.3 TSOT23-5L mechanical data mm. Typ. Max. 1.1 0.1 1.0 0.5 0.2 2.9 2.8 1.6 0.95 1.9 0.6 Doc ID 9587 Rev ...
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Package mechanical data Table 6. Flip-chip 5 mechanical data Dim ccc $ 16/23 mm. Min. Typ. 0.54 0.65 0.21 0.25 0.33 0.35 0.265 0.315 1.54 1.59 0.83 0.87 ...
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LD3985xx Figure 23. Drawing dimension Flip-chip 5 Doc ID 9587 Rev 14 Package mechanical data 7224716/N 17/23 ...
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Package mechanical data Tape & reel SOT23-xL mechanical data Dim. Min 12 3.13 Bo 3.07 Ko 1.27 Po 3.9 P 3.9 18/23 mm. Typ. Max. Min. 180 13.0 13.2 0.504 0.795 2.362 ...
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LD3985xx Tape & reel Flip-chip 5 mechanical data Dim. Min 12 1.60 Bo 1.27 Ko 0.76 Po 3.9 P 3.9 mm. Typ. Max. Min. 178 13.2 0.504 0.795 50 51 1.929 12.4 ...
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Package mechanical data Tape & reel TSOT23-5L mechanical data Dim. Min 12 3.13 Bo 3.07 Ko 1.27 Po 3.9 P 3.9 20/23 mm. Typ. Max. Min. 180 13.0 13.2 0.504 0.795 2.362 ...
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LD3985xx 8 Order codes Table 7. Order codes SOT23-5L LD3985M122R LD3985M18R LD3985M25R (1) LD3985M26R LD3985M27R LD3985M28R LD3985M29R LD3985M30R LD3985M33R LD3985M47R 1. Available on request. Packages TSOT23-5L (1) LD3985G122R LD3985G18R LD3985J18R LD3985G25R LD3985J25R (1) LD3985G26R LD3985J26R LD3985G27R LD3985G28R LD3985J28R LD3985J29R LD3985G30R ...
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Revision history 9 Revision history Table 8. Document revision history Date Revision 07-May-2004 6 05-Oct-2004 7 27-Oct-2004 8 17-Mar-2005 9 10-Apr-2007 10 08-Jun-2007 11 20-Dec-2007 12 02-Dec-2008 13 03-Jan-2011 14 22/23 Part number status changed on table 3. t values ...
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... LD3985xx 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. ...