LM137 STMicroelectronics, LM137 Datasheet
LM137
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LM137 Summary of contents
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... Further, both line and load regulation are better than standard fixed regulators. Also, LM137 regulators are supplied in standard transistor packages which are easily mounted and handled. In addition to higher performance than fixed regulators, the LM137 series offer full overload protection available only in integrated circuits ...
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... Contents Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6 Thermal regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 7 Typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 8 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2/18 Doc ID 2167 Rev 4 LM137, LM337 ...
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... LM137, LM337 Diagram 1 Figure 1. Schematic diagram Doc ID 2167 Rev 4 Diagram 3/18 ...
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... Pin configuration 2 Pin configuration Figure 2. Pin connections (top view) TO-220 4/18 Doc ID 2167 Rev 4 LM137, LM337 TO-3 ...
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... LM137, LM337 3 Maximum ratings Table 2. Absolute maximum ratings Symbol Input output voltage differential Output current O P Power dissipation D T Storage temperature range STG T Operating junction temperature range OP Note: Absolute maximum ratings are those values beyond which damage to the device may occur. ...
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... Electrical characteristics 4 Electrical characteristics T = -55 to 150 ° Table 4. Electrical characteristics of LM137 Symbol Parameter V Reference voltage REF (1) K Line regulation VI (1) K Load regulation VO Thermal regulation I Adjustment pin current ADJ Adjustment pin current ΔI ADJ change (1) K Line regulation VI (1) K Load regulation ...
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... LM137, LM337 Table 5. Electrical characteristics of LM337 Symbol Parameter V Reference voltage REF (1) K Line regulation VI (1) K Load regulation VO Thermal regulation I Adjustment pin current ADJ Adjustment pin current ΔI ADJ change (1) K Line regulation VI (1) K Load regulation Minimum load current O(min) I Short circuit output current ...
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... Typical characteristics 5 Typical characteristics Figure 3. Load regulation Figure 5. Adjustment current Figure 7. Temperature stability 8/18 Figure 4. Current limit Figure 6. Dropout voltage Figure 8. Minimum operating current Doc ID 2167 Rev 4 LM137, LM337 ...
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... LM137, LM337 Figure 9. Ripple rejection vs. output voltage Figure 11. Ripple rejection vs. output current Figure 13. Line transient response Figure 10. Ripple rejection vs. frequency Figure 12. Output impedance Figure 14. Load transient response Doc ID 2167 Rev 4 Typical characteristics 9/18 ...
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... V thus well inside the specification limit of 0.02%/ 0.2% max. When the 10 W pulse is ended the thermal regulation again shows step as the LM137 chip cools off. Note that the load regulation error of about 8 mV (0.08%) is additional to the thermal regulation error. ...
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... LM137, LM337 7 Typical application Figure 15. Adjustable negative voltage regulator * µF solid tantalum or 10 µF aluminium electrolytic required for stability µF solid tantalum is required only if regulator is more than 10 cm from power supply filter capacitors Figure 16. Adjustable lab voltage regulator * The 10 µF capacitors are optimal to improve ripple rejection. ...
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... Typical application Figure 17. Current regulator Figure 18. Negative regulator with protection diodes * When CL is larger than 20 µF, D1 protects the LM137 in case the input supply is shorted. ** When C2 is larger than 10 µF and V shorted. 12/18 is larger than - protects the LM137 in case the output is O Doc ID 2167 Rev 4 ...
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... LM137, LM337 Figure 19. - 5.2 V regulator with electronic shutdown 1. Minimum output = - 1.3 V when control input is low. Figure 20. Current regulator (1) Doc ID 2167 Rev 4 Typical application 13/18 ...
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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. ® ECOPACK trademark. 14/18 Doc ID 2167 Rev 4 LM137, LM337 ® ...
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... LM137, LM337 Dim. Min. A 4.40 C 1. 0.49 F 0.61 F1 1.14 F2 1.14 G 4.95 G1 2 13.0 L5 2.65 L6 15.25 L7 6.2 L9 3.5 DIA. 3.75 TO-220 mechanical data mm. Typ. Max. 4.60 1.32 2.72 1.27 0.70 0.88 1.70 1.70 5.15 2.7 10.40 16.4 14.0 2.95 15.75 6.6 3.93 3.85 Doc ID 2167 Rev 4 Package mechanical data inch. Min. Typ. 0.173 0.048 0.094 0.050 0.019 0.024 0.044 0.044 0.194 0.094 0.393 0.645 0.511 0.104 ...
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... Package mechanical data Dim. Min 0. 3. 16/18 TO-3 mechanical data mm. Typ. Max. 11.85 1.05 1.10 1.70 8.7 20.0 10.9 16.9 26.2 4.09 39.5 30. Doc ID 2167 Rev 4 LM137, LM337 inch. Min. Typ. 0.466 0.037 0.041 0.429 0.665 0.152 1.185 P003C/C Max. 0.043 0.066 0.342 0.787 1.031 0.161 1.555 ...
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... LM137, LM337 9 Revision history Table 6. Document revision history Date Revision 19-Jul-2004 1 10-Jan-2005 2 17-Jul-2008 3 03-Oct-2011 4 First issue. Modified pin connection for TO-3. Added: Table 1 on page 1. Modified: Table 1 on page 1. Doc ID 2167 Rev 4 Revision history Changes 17/18 ...
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... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 18/18 Please Read Carefully: © 2011 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 2167 Rev 4 LM137, LM337 ...