LDFM50DT-TR STMicroelectronics, LDFM50DT-TR Datasheet
LDFM50DT-TR
Specifications of LDFM50DT-TR
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LDFM50DT-TR Summary of contents
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... Enable logic control pin and Power Good output are featured on the PPAK package. Current and thermal protection are provided. Order codes Packages LDFM50DT-TR DPAK LDFM50PT-TR PPAK LDFMPT-TR PPAK Doc ID 023585 Rev 1 ...
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Contents Contents 1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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LDFM, LDFM50 1 Block diagram Figure 1. Block diagram (generic version) Fixed version Doc ID 023585 Rev 1 Block diagram Adjustable version 3/20 ...
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Pin configuration 2 Pin configuration Figure 2. Pin connection (top view) Table 2. Pin description Pin n° PPAK TAB 4/20 DPAK Symbol DPAK For adjustable versions: Error amplifier input pin. - ADJ/PG For fixed version: ...
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LDFM, LDFM50 3 Typical application Figure 3. Fixed versions PPAK package Figure 4. Adjustable version (PPAK package) Doc ID 023585 Rev 1 Typical application DPAK package 5/20 ...
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Absolute maximum ratings 4 Absolute maximum ratings Table 3. Absolute maximum ratings Symbol V DC input voltage output voltage OUT V Enable input voltage EN V Adjust pin voltage ADJ V Power Good pin voltage PG I ...
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LDFM, LDFM50 5 Electrical characteristics ° unless otherwise specified. Table 5. Electrical characteristics for LDFM50 (fixed versions) Symbol Parameter V Operating input voltage accuracy OUT OUT ΔV Static line ...
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Electrical characteristics Table 5. Electrical characteristics for LDFM50 (fixed versions) Symbol Parameter e Output noise voltage N Thermal shutdown T SHDN Hysteresis 1. For V < 1 2.5 V. OUT IN 2. Dropout voltage is the input-to-output ...
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LDFM, LDFM50 Table 6. Electrical characteristics for LDFM (adjustable version) Symbol Parameter Power Good output threshold PG Power Good output voltage low SVR Supply voltage rejection e Output noise voltage N Thermal shutdown T SHDN Hysteresis 1. For V <1.5 ...
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Application information 6 Application information 6.1 External capacitors The LDFM requires external capacitors for regulator stability. These capacitors must be selected to meet the requirements of minimum capacitance and equivalent series resistance Figure 26 and (see possible to the relative ...
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LDFM, LDFM50 7 Typical performance characteristics µ OUT Figure 5. Output voltage vs. temperature 5. version OUT OUT 5.15 5.10 ...
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Typical performance characteristics Figure 11. Quiescent current vs. temperature ( mA OUT 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 -50 - Temperature Figure 13. Shutdown current ...
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LDFM, LDFM50 Figure 17. Output voltage vs. input voltage version µ 2.2 µ OUT 5.5 5 4.5 4 3.5 3 2.5 2 1 2.3 2.6 2.9 ...
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Typical performance characteristics Figure 23. SVR vs. frequency ( +/- 0 0. OUT OUT ...
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LDFM, LDFM50 8 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: ...
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Package mechanical data Figure 27. DPAK drawing 16/20 Doc ID 023585 Rev 1 LDFM, LDFM50 0068772_I ...
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LDFM, LDFM50 Table 8. PPAK mechanical data Dim Min. Typ. 2.2 0.9 0.03 0.4 5.2 0.45 0.48 6 ...
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Package mechanical data Figure 28. PPAK drawing 18/20 Doc ID 023585 Rev 1 LDFM, LDFM50 0078180_F ...
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LDFM, LDFM50 9 Revision history Table 9. Document revision history Date Revision 28-Aug-2012 1 Initial release. Doc ID 023585 Rev 1 Revision history Changes 19/20 ...
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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. ...