ld39300 STMicroelectronics, ld39300 Datasheet
ld39300
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ld39300 Summary of contents
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... LD39300DT33-R January 2007 Ultra low drop BICMOS voltage regulator PPAK Description The LD39300 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 7.1 External capacitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 7.2 Input capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 7.3 Output capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 7.4 Thermal note . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 7.5 Inhibit input operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 8 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2/17 LD39300 ...
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... LD39300 1 Diagram Figure 1. Block diagram (*) Not present on ADJ Versions Diagram 3/17 ...
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... ESR stability chart) O Inhibit Input Voltage: ON MODE when V (Do not leave floating, not internally pulled down/up) Common ground DPAK Note from 1.22 to 5.0V O =1µF must be located at a distance of not I =4.7µF needed for stability (also refer O ≥ 2V, OFF MODE when V INH INH LD39300 ≤ 0.3V ...
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... C Capacitors must be placed as close as possible to the IC pins Figure 3. LD39300 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. LD39300 Adjustable version 2 Set R2 as close as possible to 4 ...
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... Typical application circuits Figure 5. LD39300 DPAK Figure 6. Timing diagram 6/17 LD39300 ...
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... LD39300 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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... 4.7µ 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 40 200 = 2V INH 1 ±0 100 170 10 LD39300 Unit O(NOM 0.2 % %/A 0 400 2 µ 0.3 V µs ±1 µA dB µV RMS °C ...
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... LD39300 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 temperature +1V 1µ 4.7µ LOAD Figure 8. Figure 10. Quiescent current vs temperature Figure 12. Short circuit current vs temperature Typical performance characteristics ...
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... 10/17 Figure 14. Stability region vs C & ESR (low Figure 16. Load transient (fall time 5V Figure 18. Line transient V = 3.5V to 5.5V 1µ 4.7µ & ESR O = 3.3V 10mA to 3A 1µ 3.3V 10mA 4.7µF O LOAD O LD39300 = 4.7µF ...
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... Input capacitor An input capacitor whose minimum value is 1µF is required with the LD39300 (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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... 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. ECOPACK trademark. ECOPACK specifications are available at: 12/17 www.st.com. LD39300 ® ...
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... LD39300 DIM. MIN. A 2.2 A1 0.9 A2 0.03 B 0.4 B2 5.2 C 0. 4.9 G1 2. PPAK MECHANICAL DATA mm. TYP 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 Package mechanical data 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 ...
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... 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 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 0.200 0.252 0.260 0.185 0.090 0.173 0.181 0.368 0.397 0.039 0.110 0.031 0.023 0.039 0068772-F LD39300 ...
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... LD39300 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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... Revision history 9 Revision history Table 5. Revision history Date Revision 26-Jan-2007 1 16/17 Initial release. Changes LD39300 ...
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... LD39300 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. ...