SI2323 PDF

Diode in parallel with power supply. The diode conducts with reverse voltage, and then the poly fuse trips limiting the power dissipation in the diode. For over-voltage protection replace the diode with a zener. First off it exposes the down wind circuits to a negative voltage level that may not be tolerable for some circuitry. Secondly the poly fuse can take some time to open up.

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Kigis This exposes the circuits to the reverse diode level voltage for whatever 10s or s of milliseconds it takes for the poly fuse to act. Add to watch list Remove from watch list. The MCP is not going to provide reverse polarity protection for your device. Minimum sl payments are required. You can select a Schottky diode to minimize the forward voltage drop so that you can get more usable voltage range from your battery supply.

Interest will be charged to your account from the purchase date if si balance is not paid in full within 6 months. Email to friends Share on Facebook — opens in a new window or tab Share on Twitter — opens in a new window or tab Share on Pinterest — opens in a new window or tab Add to watch list.

Peter Mortensen 1, 3 14 si This item will ship to United Statesbut the seller has not specified shipping options. Seller information liaoxiyuan Select a valid country. This prevents the flat negative terminal from ever touching it if the s2i is inserted in reverse.

Any international shipping and import charges are paid in part to Pitney Bowes Inc. Add to watch list.

Cross Reference Search Secondly the poly fuse can take some time to open up. Will usually ship within 3 business days of receiving cleared payment — opens in a si window or tab. Learn More — opens in a new window or tab Any international shipping and import charges are paid in part to Pitney Bowes Inc.

If you look at the functional block diagrams in the data sheet you will see that there is a diode inside across the internal PMOS FET that would forward bias in a reverse si situation and allow a negative bias to be applied to any down wind circuitry.

See other items More Most simple reverse polarity protection schemes are going to involve the use of a diode in the input power path. Datasheet pdf. Equivalent No additional import charges at delivery!

There is no doubt that the P-FET solution costs a little bit more in part price. For additional information, see the Global Shipping Program terms and conditions — opens in a new window or tab. Watch list is full. Other offers may also be available.

Image not available Photos not available for this variation. There are 1, items available. Si is SOT package. Shipping cost cannot be calculated. Expedited Shipping from outside US. Special financing available Select PayPal Credit at checkout to have the option to pay over time. Skip to main content. First off it exposes the down wind circuits to a negative voltage level that may not be tolerable for some circuitry. Back to home page. If I have to put some sort of reverse current protection, how would you advice designing a simple one with very low or non-existing dropout voltage and quiescent current?

Have one to sell? Please note the delivery estimate is greater than 9 business days. Home Questions Tags Users Unanswered. Sign up or log xi Sign up using Google. The usual way is to have a couple of plastic lugs each side of the positive terminal. Related Articles.

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