ld2979 STMicroelectronics, ld2979 Datasheet
ld2979
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ld2979 Summary of contents
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... Only 1µF for stability ■ Selection at 25°C ■ Temperature range: -25°C to 125°C ■ Package available: SOT23-5L and TO-92 Description The LD2979 series are very Low Drop regulators available in SOT23-5L and TO-92. Order codes SOT23-5L LD2979M30TR LD2979M33TR LD2979M38TR LD2979M50TR 1. Please note that in these cases pins are shaped according to Tape & Reel specifications. ...
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Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Diagram Figure 1. Schematic diagram 3/17 ...
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Pin configuration Figure 2. Pin connections (top view) SOT23-5L Table 1. Pin description Symbol V Input voltage I GND Ground INHIBIT Control switch ON/OFF NC Not to be connected V Output voltage O 1. Only for the version in ...
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Maximum ratings Table 2. Absolute maximum ratings Symbol V DC Input voltage Inhibit input voltage INH I Output current O P Power dissipation TOT T Storage temperature range STG T Operating junction temperature range OP Note: ...
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... Electrical characteristics Table 3. Electrical characteristics for LD2979 (refer to the test circuits, T (1) I =1mA, V =2V O INH Symbol Parameter V Output voltage O V Output voltage O V Output voltage O V Output voltage O V Output voltage O I Output current limit O ΔV Line regulation O Quiescent current (On Mode) ...
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... Table 3. Electrical characteristics for LD2979 (refer to the test circuits, T (1) I =1mA, V =2V O INH Symbol Parameter I Inhibit input current I Output noise voltage eN (RMS) 1. Only for types in SOT23- 1µF, unless otherwise specified). O Test conditions ( INH -25 to 125 C ° INH ...
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Typical characteristics (unless otherwise specified T Figure 3. Output voltage vs temperature Figure 5. Output voltage vs input voltage Figure 7. Dropout voltage vs temperature 8/17 = 25°C) A Figure 4. Output voltage vs input voltage Figure 6. Dropout ...
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Figure 9. Short circuit current vs dropout voltage Figure 11. Supply voltage rejection vs frequency Figure 13. Inhibit current vs temperature Figure 10. Inhibit voltage vs temperature Figure 12. Load transient response C = 10µF (ESR = 1 at 1KHz) ...
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Figure 15. Line transient response C = 10µF (ESR = 1 at 1KHz) O 10/17 ...
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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 4.32 b 0.36 D 4.45 E 3.30 e 2.41 e1 1.14 L 12.7 R 2.16 S1 0.92 W 0.41 α 12/17 TO-92 MECHANICAL DATA mm. TYP MAX. MIN. 4.95 170.1 0.51 14.2 4.95 175.2 3.94 129.9 2.67 ...
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SOT23-5L MECHANICAL DATA mm. DIM. MIN. TYP A 0.90 A1 0.00 A2 0.90 b 0.35 C 0.09 D 2.80 E 1.50 e 0.95 H 2.60 L 0.10 MAX. MIN. 1.45 35.4 0.10 0.0 1.30 35.4 0.50 13.7 0.20 3.5 3.00 ...
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Tape & Reel SOT23-xL MECHANICAL DATA DIM. MIN 12 3.13 Bo 3.07 Ko 1.27 Po 3.9 P 3.9 14/17 mm. TYP MAX. MIN. 180 13.0 13.2 0.504 0.795 2.362 14.4 3.23 3.33 ...
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Tape & Reel for TO-92 MECHANICAL DATA mm. DIM. MIN. TYP A1 4.80 T 3.80 T1 1.60 T2 2.30 d 0.48 P0 12.5 P2 5.65 F1, F2 2.44 2.54 delta H W 17.5 18.00 W0 5.7 W1 8.5 W2 0.50 ...
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Revision history Table 4. Revision history Date Revision 15-Mar-2005 10 03-Jul-2006 11 16-May-2007 12 08-Jun-2007 13 16/17 Changes Add tape & reel for TO-92. Order codes has been updated and new template. Order codes has been updated. Order codes ...
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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. ...