ld3985j29r STMicroelectronics, ld3985j29r Datasheet
ld3985j29r
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ld3985j29r Summary of contents
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Features ■ Input voltage from 2 ■ Stable with low ESR ceramic capacitors ■ Ultra low dropout voltage (100 mV typ. at 150 mA load, 0.4 mV typ load) ■ Very low quiescent ...
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Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Diagram Figure 1. Schematic diagram 3/22 ...
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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- GND ...
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Typical application Figure 3. Typical application circuit 5/22 ...
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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 Operating junction ...
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Electrical characteristics Table 5. Electrical characteristics for LD3985 ( Symbol Parameter V Operating input voltage I V Output voltage < 2.5V O Output voltage ≥ 2. ΔV Line regulation ...
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Table 5. Electrical characteristics for LD3985 (continued) (T µ nF, I BYP Symbol Parameter I Peak output current O(PK) Inhibit input logic low V INH Inhibit input logic high I Inhibit input current INH eN Output noise ...
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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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Figure 10. Line regulation vs temperature Figure 12. Load regulation vs temperature Figure 14. Load regulation vs temperature 10/22 Figure 11. Line regulation vs temperature Figure 13. Load regulation vs temperature Figure 15. Quiescent current vs temperature ...
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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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Figure 22. Turn-Off V = 3.3V 1mA 1mF (cer 20ns 2. 12/22 = 10nF, BYP ...
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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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Dim. Min. A 0.90 A1 0.00 A2 0.90 b 0.35 C 0.09 D 2. 2.60 L 0.10 14/22 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 0.60 mils. Min. ...
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TSOT23-5L mechanical data mm. Dim. Min. Typ 0.7 b 0.3 C 0.08 D 2.9 E 2.8 E1 1.6 e 0.95 e1 1.9 L 0.3 mils. Max. Min. Typ. 1.1 0.1 1.0 27.6 0.5 11.8 0.2 3.1 ...
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Dim. Min. A 0.635 A1 0.21 A2 0.375 b 0.290 D 1.510 E 1.16 e 0.45 e1 0.816 f f1 16/22 Flip-chip 5 mechanical data mm. Typ. Max. Min. 0.7 0.765 25.0 0.25 0.29 8.3 0.40 0.425 14.8 0.315 0.340 ...
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Tape & reel SOT23-xL mechanical data mm. Dim. Min. Typ 12.8 13 3.13 3.23 Bo 3.07 3.17 Ko 1.27 1.37 Po 3.9 4.0 P 3.9 4.0 inch. Max. Min. Typ. 180 13.2 ...
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Tape & reel Flip-chip 5 mechanical data Dim. Min 12 1.60 Bo 1.27 Ko 0.76 Po 3.9 P 3.9 18/22 mm. Typ. Max. Min. 178 13.2 0.504 0.795 50 51 1.929 12.4 ...
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Tape & reel TSOT23-5L mechanical data mm. Dim. Min. Typ 12.8 13 3.13 3.23 Bo 3.07 3.17 Ko 1.27 1.37 Po 3.9 4.0 P 3.9 4.0 inch. Max. Min. Typ. 180 13.2 ...
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... Table 6. Order codes SOT23-5L LD3985M122R LD3985G122R LD3985M18R LD3985M25R (1) LD3985M26R LD3985M27R LD3985M28R LD3985M29R LD3985M30R LD3985M33R LD3985M47R 1. Available on request. 20/22 Packages TSOT23-5L Flip-chip (1) LD3985G18R LD3985J18R LD3985G25R LD3985J25R (1) LD3985G26R LD3985J26R LD3985G27R LD3985G28R LD3985J28R LD3985G29R LD3985J29R LD3985G30R LD3985G33R LD3985J33R LD3985G47R Output voltage 1.22 V 1.8 V 2.5 V 2.6 V 2.7 V 2.8 V 2.9 V 3.0 V 3.3 V 4.7 V ...
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Revision history Table 7. 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 Changes Part number status changed on table 3. t values are changed on table 5. ON ...
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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. ...