LD2982AM15R STMicroelectronics, LD2982AM15R Datasheet
LD2982AM15R
Specifications of LD2982AM15R
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LD2982AM15R Summary of contents
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Very low drop and low noise voltage regulator with Features ■ Very low dropout voltage (120 and load) ■ Very low quiescent current (375 mA typ load and ...
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Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Diagram Figure 1. Schematic diagram Doc ID 8188 Rev 7 3/17 ...
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Pin configuration Figure 2. Pin connections (top view) Table 2. Pin description Pin n° Symbol 1 IN Input port 2 GND Ground pin Control switch ON/OFF. Inhibit is not internally pulled-up; it cannot be left floating. 3 INHIBIT Disable ...
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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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Electrical characteristics ° specified. Table 5. Electrical characteristics for LD2982BXX18 Symbol Parameter V Operating input voltage OP V Output voltage O V Output voltage O V Output voltage O V ...
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Table 5. Electrical characteristics for LD2982BXX18 (continued) Symbol Parameter V Output voltage O V Output voltage O V Output voltage O V Output voltage O I Short circuit current SC ΔV /ΔV Line regulation Dropout voltage DROP ...
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Typical characteristics ( ° otherwise specified). Figure 3. Output voltage vs. temperature Figure 5. Dropout voltage vs. output current Figure 6. Figure 7. Quiescent current vs. temperature 8/ ...
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Figure 9. Supply voltage rejection vs. output current Figure 11. Supply voltage rejection vs. frequency Figure 13. Line transient V = 2.5V 50mA 4.7µ Figure 10. Supply voltage ...
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Figure 15. Load transient V = 2.5V 50mA 10µ 10/17 Figure 16. Load transient V = 2.5V 50mA =2ns ...
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Application notes 6.1 External capacitors Like any low-dropout regulator, the LD2982 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 LD2982 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 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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Dim. Min. A 0.90 A1 0.00 A2 0.90 b 0.35 C 0.09 D 2. 2.60 L 0.10 14/17 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 Doc ID ...
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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 Max. Min. 180 13.2 0.504 0.795 ...
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Revision history Table 6. Document revision history Date Revision 25-Jul-2006 4 14-Feb-2008 5 10-Jul-2008 6 29-Jul-2009 7 16/17 Changes Order codes updated. Added: Table 1 on page 1. Modified: Table 1 on page 1 and Table 5 on page ...
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