MIC4576WU Micrel Inc, MIC4576WU Datasheet
MIC4576WU
Specifications of MIC4576WU
MIC4576WU
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MIC4576WU Summary of contents
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General Description The MIC4576 is a series of easy to use fixed and adjustable BiCMOS step-down (buck) switch-mode voltage regulators. The 200kHz MIC4576 duplicates the pinout and function of the 52kHz LM2576. The higher switching frequency may allow up to ...
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... Ordering Information Standard RoHS Compliant Part Number Part Number* MIC4576-3.3BT MIC4576-3.3WT MIC4576-5.0BT MIC4576-5.0WT MIC4576BT MIC4576WT MIC4576-3.3BU MIC4576-3.3WU MIC4576-5.0BU MIC4576-5.0WU MIC4576BU MIC4576WU * RoHS compliant with "high-melting solder" exemption. Pin Configuration Pin Description Pin Number Pin Name GND TAB 4 5 SHDN MIC4576 Voltage Temperature Range 3 ...
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Absolute Maximum Ratings Supply Voltage (V ) .................................................... +40V IN Shutdown Voltage (V ) ............................–0.3V to +36V SHDN Output Switch (V ), Steady State ............................... –1V SW Feedback Voltage (V ) [Adjustable] ......................... +3.8V FB Storage Temperature ................................ –65°C to ...
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Parameter Condition MIC4576 / -3.3 / -5.0 Oscillator Frequency Saturation Voltage I OUT Current Limit peak current, t Standby Quiescent Current V SHDN SHDN Input Logic Level V OUT V OUT SHDN Input Current V SHDN V SHDN General Note: ...
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Block Diagrams Shutdown Enable SHDN MIC4576-x.x Shutdown Enable SHDN MIC4576 March 2006 +36V max. V Internal Regulator Thermal Current Shutdown Limit 200kHz Oscillator Driver Com- parator 3A Switch 1.23V Bandgap Error Amp GND Block Diagram with External Components ...
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Functional Description The MIC4576 is a variable duty cycle switch-mode regulator with an internal power switch. Refer to the block diagrams. Supply Voltage The MIC4576 operates from a +4V to +36V unregulated input. Highest efficiency operation is from a supply ...
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SHDN SW MIC4576-5.0BT 8V to 24V GND 470µF 3 35V C1 Nichicon UPL1J471MPH, ESR = 0.046Ω C2 Nichicon UPL1C102MPH, ESR = 0.047Ω D1 Motorola MBR5822 L1 Coiltronics PL52C-33-1000, DCR = 0.036 L1 ...
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... REF) 0.065 ±0.010 20°±2° 0.067 ±0.005 DIM. = INCH MICREL INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA + 1 (408) 944-0800 TEL This information furnished by Micrel reserves the right to change circuitry and specifications at any time without notification to the customer. ...