ld39080 STMicroelectronics, ld39080 Datasheet
ld39080
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ld39080 Summary of contents
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... Available on request January 2007 Ultra low drop BICMOS voltage regulator Description The LD39080 is a fast ultra low drop linear regulator which operates from 2. input supply. A wide range of output options are available. The low drop voltage, low noise, and ultra low quiescent current make it suitable for low voltage microprocessor and memory applications ...
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... Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Typical application circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6 Typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 Application notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 7.1 External capacitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 7.2 Input capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 7.3 Output capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 7.4 Thermal note . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 7.5 Inhibit input operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 8 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2/20 LD39080 ...
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... LD39080 1 Diagram Figure 1. Block diagram (*) Not present on ADJ Versions Diagram 3/20 ...
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... LDO Output Voltage pins, with minimum C (also refer to C vs. ESR stability chart) O Inhibit Input Voltage: ON MODE when V 0.3V (Do not leave floating, not internally pulled down/up) Common ground Not Connected LD39080 DPAK Note from 1.22 to 5.0V O =1µF must be located =2.2µF needed for stability O ≥ ...
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... C Capacitors must be placed as close as possible to the IC pins Figure 3. LD39080 fixed version with inhibit 1 Inhibit Pin is not internally pulled down/up then it must not be left floating. Disable the device when connected to GND positive voltage less than 0.3V Figure 4. LD39080 adjustable version 2 Set R2 as close as possible to 4 ...
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... Typical application circuits Figure 5. LD39080 DPAK Figure 6. Timing diagram 6/20 LD39080 ...
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... LD39080 4 Maximum ratings Table 2. Absolute maximum ratings Symbol V DC Input voltage I V INHIBIT Input voltage INH V DC Output voltage O V ADJ Pin voltage ADJ I 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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... 2.2µ 2. 10mA 2V, unless otherwise INH Min. Typ. Max. 2.5 -1.5 -3 1.22 0.04 = -40 to 125°C 0.1 0.06 0.2 20 150 = 2V INH 1 1 ±0 100 170 10 LD39080 Unit O(NOM 0.2 % %/A 0 300 2 µ 0.3 V µs ±1 µA dB µV RMS °C ...
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... LD39080 6 Typical performance characteristics (T = 25° specified) Figure 7. Output voltage vs temperature Figure 9. Dropout voltage vs output current Figure 11. Quiescent current vs supply voltage +1V 1µ 2.2µ LOAD Figure 8. Figure 10. Quiescent current vs output current Figure 12. Quiescent current vs temperature Typical performance characteristics ...
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... Typical performance characteristics Figure 13. Quiescent current vs temperature Figure 15. Output voltage vs input voltage Figure 17. Stability region vs C 100kHz) 10/20 Figure 14. Short circuit current vs temperature Figure 16. Supply voltage rejection vs & ESR (at Figure 18. Stability region LD39080 temperature & Low ESR O (at 100kHz) ...
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... LD39080 Figure 19. Load transient V = 3.5V 10mA to 0.8A 1µ Figure 20. Line transient V = 3.5V to 5.5V 2.2µ Typical performance characteristics = 10mA 2.2µF LOAD O 11/20 ...
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... Input capacitor An input capacitor whose minimum value is 1µF is required with the LD39080 (amount of capacitance can be increased without limit). This capacitor must be located a distance of not more than 1cm from the input pin of the device and returned to a clean analog ground. Any good quality ceramic, tantalum or film capacitors can be used for this capacitor ...
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... LD39080 8 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 box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label ...
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... MAX. 2.4 1.1 0.23 0.6 5.4 0.6 0.6 6.2 5.1 6.6 4.7 1.27 5.25 2.7 10.1 0 2.8 inch MIN. TYP. 0.086 0.035 0.001 0.015 0.204 0.017 0.019 0.236 0.201 0.252 0.185 0.050 0.193 0.093 0.368 0.031 0.023 0.039 0.110 0078180-E LD39080 MAX. 0.094 0.043 0.009 0.023 0.212 0.023 0.023 0.244 0.260 0.206 0.106 0.397 0.039 0.039 ...
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... LD39080 DIM. MIN. A 2.2 A1 0.9 A2 0.03 B 0.64 b4 5.2 C 0. 4 (L1 0.6 DPAK MECHANICAL DATA mm. TYP MAX. 2.4 1.1 0.23 0.9 5.4 0.6 0.6 6.2 5.1 6.6 4.7 2.28 4.6 10.1 2.8 0.8 1 Package mechanical data inch MIN. TYP. MAX. 0.086 0.094 0.035 0.043 0.001 0.009 0.025 0.035 0.204 0.212 0.017 0.023 0.019 0.023 0.236 0.244 ...
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... A3 b 0.23 D 3.90 D2 2.82 E 3. 0.40 16/20 DFN8 (4x4) MECHANICAL DATA mm. TYP MAX. 0.90 1.00 0.02 0.05 0.20 0.30 0.38 4.00 4.10 3.00 3.23 4.00 4.10 2.20 2.30 0.80 0.50 0.60 inch MIN. TYP. 0.031 0.035 0 0.001 0.008 0.009 0.012 0.154 0.157 0.111 0.118 0.154 0.157 0.081 0.087 0.031 0.016 0.020 7869653B LD39080 MAX. 0.039 0.002 0.015 0.161 0.127 0.161 0.091 0.024 ...
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... LD39080 Tape & Reel DPAK-PPAK MECHANICAL DATA DIM. MIN 12 6.80 Bo 10.40 Ko 2.55 Po 3.9 P 7.9 mm. TYP MAX. 330 13.0 13.2 0.504 0.795 2.362 22.4 6.90 7.00 0.268 10.50 10.60 0.409 2.65 2.75 0.100 4.0 4.1 0.153 8.0 8.1 0.311 Package mechanical data inch MIN. TYP. MAX. 12.992 0.512 0.519 0.882 0.272 0.2.76 0.413 0.417 0.104 ...
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... Package mechanical data Tape & Reel QFNxx/DFNxx (4x4) MECHANICAL DATA DIM. MIN 12 18/20 mm. TYP MAX. MIN. 330 13.2 0.504 0.795 101 3.898 14.4 4.35 4.35 1 LD39080 inch TYP. MAX. 12.992 0.519 3.976 0.567 0.171 0.171 0.043 0.157 0.315 ...
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... LD39080 9 Revision history Table 5. Revision history Date Revision 26-Jan-2007 1 Initial release. Revision history Changes 19/20 ...
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... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 20/20 Please Read Carefully: © 2007 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com LD39080 ...