LD2980CXX50 STMicroelectronics, LD2980CXX50 Datasheet
LD2980CXX50
Specifications of LD2980CXX50
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LD2980CXX50 Summary of contents
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... The LD2980 is designed to work with low ESR ceramic capacitors. Typical applications are cellular phone, laptop computer, personal digital assistant (PDA), personal stereo, camcorder and camera. Part numbers C Version LD2980CXX18 LD2980CXX33 LD2980CXX36 LD2980CXX50 Rev 17 LD2980ABxx LD2980Cxx SOT-89 Output voltage 1.8 V 3.0 V 3.3 V 3.6 V 5.0 V 1/23 www ...
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Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Diagram Figure 1. Schematic diagram 3/23 ...
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Pin configuration Figure 2. Pin connections (top view) SOT23-5L Table 2. Pin description Pin n° Pin n° Symbol SOT23-5L SOT- INHIBIT Table 3. Thermal data Symbol Parameter R Thermal resistance ...
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Maximum ratings Table 4. Absolute maximum ratings Symbol V DC input voltage I V INHIBIT input voltage INH I Output current O P Power dissipation D T Storage temperature range STG T Operating junction temperature range OP Note: Absolute ...
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Typical application Figure 3. Application circuit Note: Inhibit pin is not internally pulled-up then it must not be left floating. Disable the device when connected to GND positive voltage less than 0.18 V. 6/23 ...
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Electrical characteristics Table 5. Electrical characteristics for LD2980AB ( 2.2 µF (X7R Symbol Parameter V Operating input voltage OP V Output voltage O V Output voltage O V Output voltage O V Output voltage O ...
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Table 5. Electrical characteristics for LD2980AB (continued µF(X7R 2.2 µF (X7R Symbol Parameter Quiescent current ON MODE I Q OFF MODE (1) V Dropout voltage DROP I Short circuit current SC SVR Supply voltage ...
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Table 6. Electrical characteristics for LD2980C ( 2.2 µF (X7R Symbol Parameter V Operating input voltage OP V Output voltage O V Output voltage O V Output voltage O V Output voltage O V Output voltage ...
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Table 6. Electrical characteristics for LD2980C (continued) (T µF (X7R 2.2 µF (X7R Symbol Parameter V Output voltage O ΔV Line regulation O Quiescent current ON MODE I Q OFF MODE (1) V Dropout voltage DROP ...
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Typical performance characteristics ( ° otherwise specified) Figure 4. Output voltage vs temperature Figure 6. Line regulation vs temperature Figure 8. Dropout voltage vs temperature + µF (X7R), ...
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Figure 10. Quiescent current vs output current Figure 12. Quiescent current vs input voltage Figure 13. Dropout voltage vs output current Figure 14. Inhibit input current vs temperature Figure 15. Inhibit voltage vs temperature 12/23 Figure 11. Off mode quiescent ...
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Figure 16. Supply voltage rejection vs frequency Figure 18. Best case: highest output version Figure 20. Load transient response V = 4.7V 100mA 4.7µF (X7R Figure 17. Noise voltage vs frequency ...
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Application notes 7.1 External capacitors Like any low-dropout regulator, the LD2980 requires external capacitors for regulator stability. This capacitor must be selected to meet the requirements of minimum capacitance and equivalent series resistance. We suggest to solder input and ...
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Reverse current The power transistor used in the LD2980 has not an inherent diode connected between the regulator input and output. If the output is forced above the input, no current will flow from the output to the input ...
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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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SOT-89 mechanical data mm. Dim. Min. Typ. A 1.4 B 0.44 B1 0.36 C 0.35 C1 0.35 D 4.4 D1 1.62 E 2.29 e 1.42 e1 2.92 H 3.94 L 0.89 mils. Max. Min. Typ. 1.6 55.1 0.56 17.3 0.48 ...
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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 18/23 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 0.60 mils. Min. ...
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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 SOT89 mechanical data Dim. Min 12 4.70 Bo 4.30 Ko 1.70 Po 3.9 P 7.9 20/23 mm. Typ. Max. Min. 180 13.0 13.2 0.504 0.795 2.362 14.4 4.80 4.90 ...
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Order codes Table 7. Order codes AB Version SOT23-5L SOT-89 LD2980ABM30TR LD2980ABU30TR LD2980ABM33TR LD2980ABU33TR LD2980ABM36TR LD2980ABU36TR LD2980ABM50TR 1. Available on request. C Version SOT23-5L SOT-89 LD2980CM18TR LD2980CU18TR (1) (1) LD2980CM30TR LD2980CU30TR LD2980CM33TR (1) LD2980CM36TR LD2980CU36TR LD2980CM50TR Output voltage 1.8 ...
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Revision history Table 8. Document revision history Date Revision 03-Jul-2006 13 13-Nov-2006 14 06-Sep-2007 15 14-Feb-2008 16 11-Jul-2008 17 22/23 Changes Order codes updated and new template. Add part number LD2980ABU18TR. Add Table 1 on page 1. Modified: Table ...
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