LM2601 National Semiconductor, LM2601 Datasheet
LM2601
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LM2601 Summary of contents
Page 1
... Allows the implementation of intelligent switchover circuits for portable systems Block Diagram © 2001 National Semiconductor Corporation n LM2601 shuts down automatically when adapter is removed n Low leakage current from battery when not powered n Drives P-channel FETs, no Schottky diodes are required n No reverse inrush current from battery into the adapter ...
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... Pin Configuration Ordering Information Order Number Package Number LM2601MTC LM2601MTCX Partial Rails are available, there is no minimum order quantity. Tape and Reel is supplied as full reels only. * Pin Description Pin No. Name 1 MPS DELAY 2 MASTER POWER SOURCE 3 ADAPTER ENABLE 4 ADAPTER PRESENT 5 CHARGER PRESENT ...
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... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. V ADAPTER PEAK SENSE DIRECTION SENSE , V V BACKFEED DISCONNECT V , ADAPTER ENABLE V MASTER POWER SOURCE V MPS DELAY Electrical Characteristics Limits with standard typeface apply for T ...
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... V and Direction Sense pin. 3. Voltage difference (V DIRECTION SENSE be higher than 20mV to reliably isolate the adapter in case of leakage and R6 prevent the FETs from turning on unless driven by LM2601. www.national.com (Continued value can be calculated from the following for- DELAY mula: ...
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... R or scaled down by resistor dividers R1/R3 and R2/R4. When designing the LM2601 into a system it may be neces- sary to consider ESD protection requirements for the adapter jack according to your system design spec. ...
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... NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...