MIC4575_09 MICREL [Micrel Semiconductor], MIC4575_09 Datasheet
MIC4575_09
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MIC4575_09 Summary of contents
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General Description The MIC4575 is a series of easy to use fixed and adjustable BiCMOS step-down (buck) switch-mode voltage regulators. The 200kHz MIC4575 duplicates the pinout and function of the 52kHz LM2575. The higher switching frequency may allow up to ...
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Micrel, Inc. Ordering Information Part Number Standard RoHS Compliant* MIC4575-3.3BT MIC4575-3.3WT MIC4575-5.0BT MIC4575-5.0WT MIC4575BT MIC4575WT MIC4575-3.3BU MIC4575-3.3WU MIC4575-5.0BU MIC4575-5.0WU MIC4575BU MIC4575WU * RoHS compliant with ‘high-melting solder’ exemption. Pin Configuration 5-Pin TO-220 (T) Pin Description Pin Number Pin Name 1 ...
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Micrel, Inc. Absolute Maximum Ratings (1) Supply Voltage (V ) ..................................................+40V IN Shutdown Voltage (V )............................. –0.3V to +36V SHDN Output Switch (V ) .......................................................–1V SW Storage Temperature (T ) ........................... –65°C to 150°C s ESD (2) Electrical Characteristics V ...
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Micrel, Inc. Functional Diagram July 2009 Block Diagram with External Components Fixed Step-Down Regulator Block Diagram with External Components Adjustable Step-Down Regulator 4 MIC4575 ⎛ ⎝ ⎜ ⎜ ⎝ ⎛ ⎛ ⎝ ⎜ ⎜ ⎝ ⎛ M9999-072909 ...
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Micrel, Inc. Functional Description The MIC4575 is a variable duty cycle switch-mode regulator with an internal power switch. Refer to the block diagrams. Supply Voltage The MIC4575 operates from a +4V to +24V unregulated input. Highest efficiency operation is from ...
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Micrel, Inc. Application Information The applications circuits that constructed and tested. Refer to Application Note 15 for additional information, including efficiency graphs and manufacturer’s addresses and telephone numbers for most circuits. For a mathematical approach to component selection and circuit ...
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Micrel, Inc. Figure 8. 8V–24V to 5V/1A Buck Converter Lower-Cost Surface Mount Figure 9. 16V–24V to 12V/1A Buck Converter Lower-Cost Surface Mount 5 SHDN 18V 22µF 35V C1 AVX C2 AVX C4 AVX ...
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Micrel, Inc. 5 SHDN V IN MIC4575BU 8V to 18V 22µF 35V C1 AVX C2 AVX C4 AVX C5 AVX D1 Motorola MBRS130LT3 D2 Motorola MBRS130LT3 T1 Coiltronics Figure 14. Adjustable (0V–12V) Output-Voltage Regulator 5 SHDN ...
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Micrel, Inc. 5 SHDN MIC4575- 24V GND 3 C1 150µF 35V U1 Micrel MIC4575BT U2 National LM358 U3 Micrel LM4041CIZ-1.2 C1 Nichicon C2 Nichicon D1 Motorola 1N5819 D2 Motorola 1N5819 D3 ...
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Micrel, Inc. July 2009 Figure 18. 1A Battery Charger (2–8 Cells) Figure 19. Remote-Sensing Regulator 10 MIC4575 M9999-072909 ...
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Micrel, Inc. July 2009 Figure 20. 6V–18V to Split ±12V/100mA Supply Figure 21. 1A Battery Charger 11 MIC4575 M9999-072909 ...
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Micrel, Inc. Figure 22. Improved Adjustable Output-Voltage Regulator (0V–12V) July 2009 Figure 23. Switchable Battery-Pack Charger 12 MIC4575 ⎛ ⎜ ⎝ ⎜ ⎝ ⎛ M9999-072909 ...
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Micrel, Inc. ⎛ ⎜ ⎝ ⎜ ⎝ ⎛ Figure 24. Lithium-Ion Battery Charger with End-of-Charge Flag July 2009 Figure 25. Low Output-Noise Regulator (<1mV) 13 ⎛ ⎜ ⎝ ⎜ ⎝ ⎛ M9999-072909 MIC4575 ...
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Micrel, Inc. Package Information July 2009 5-Pin TO-220 (T) 5-Pin TO-263 (U) 14 MIC4575 M9999-072909 ...
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Micrel, Inc. MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB http://www.micrel.com The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no ...