ML4869CS-3 MICRO-LINEAR [Micro Linear Corporation], ML4869CS-3 Datasheet
ML4869CS-3
Related parts for ML4869CS-3
ML4869CS-3 Summary of contents
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GENERAL DESCRIPTION The ML4869 is a continuous conduction boost regulator designed for conversion in multiple cell battery power systems. Continuous conduction allows the regulator to maximize output current for a given inductor. The maximum switching frequency can ...
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ML4869 PIN CONFIGURATION PIN DESCRIPTION PIN NAME FUNCTION 1 V Boost inductor connection Battery input voltage IN 3 GND Ground 4 SHDN Pulling this pin to V regulator, isolating the load from the input 2 ML4869 8-Pin ...
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... IL V Input High Voltage IH Input Bias Current Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions. OPERATING CONDITIONS Temperature Range ML4869CS-X .............................................. 0°C to 70°C ML4869ES-X ........................................... -20°C to 70°C V Operating Range ....................... 1. 0.3V OUT = Operating Temperature Range (Note 1) ...
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ML4869 SENSE 2 START-UP + – CONTROL SHDN A1 I L(MAX 27µH (SUMIDA CD75) ML4869 V L1 PWR GND GND V L2 100µF SHDN ...
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FUNCTIONAL DESCRIPTION The ML4869 combines a unique form of current mode control with a synchronous rectifier to create a boost converter that can deliver high currents while maintaining high efficiency. Current mode control allows the use of a very small ...
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ML4869 DESIGN CONSIDERATIONS OUTPUT CAPACITOR The output capacitor filters the pulses of current from the switching regulator. Since the switching frequency will vary with inductance, the minimum output capacitance required to reduce the output ripple to an acceptable level will ...
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DEISGN CONSIDERATIONS In applications where the ML4869 is operated at or near the maximum output current recommended to add a 10nF to 100nF ceramic or film capacitor from V GND. The optimum value of the high frequency bypass ...
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... PLACES) 0.055 - 0.061 (1.40 - 1.55) ORDERING INFORMATION PART NUMBER ML4869CS-3 ML4869CS-5 ML4869ES-3 ML4869ES-5 © Micro Linear 1998 registered trademark of Micro Linear Corporation. All other trademarks are the property of their respective owners. Products described herein may be covered by one or more of the following U.S. patents: 4,897,611; 4,964,026; 5,027,116; 5,281,862; 5,283,483; 5,418,502; ...