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LR8563-25PRA
LR8563-25PRA - Brand New LRC IC Chips
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
General Description
The Supertex LR8 is a high voltage, low output current, adjustable linear
regulator. It has a wide operating input voltage range of 13.2V to 450V. The
output voltage can be adjusted from 1.20V to 440V provided that the input
voltage is at least 12V greater than the output voltage. The output voltage
can be adjusted by means of two external resistors R1 and R2 as shown in the
typical application circuits. The LR8 regulates the voltage difference between
VOUT and ADJ pins to a nominal value of 1.20V. The 1.20V is amplifi ed by the
external resistor ratio R1 and R2. An internal constant bias current of
typically 10µA is connected to the ADJ pin. This increases VOUT by a constant
voltage of 10µA times R2.
The LR8 has current limiting and temperature limiting. The output current
limit is typically 20mA and the minimum temperature limit is 125°C. An output
short circuit current will therefore be limited to 20mA. When the junction
temperature reaches its temperature limit, the output current and/or output
voltage will decrease to keep the junction temperature from exceeding its
temperature limit. For SMPS start-up circuit applications, the LR8 turns off
when an external voltage greater than the output voltage of the LR8 is applied
to VOUT of the LR8. To maintain stability, a bypass capacitor of 1.0µF or
larger and a minimum DC output current of 500µA are required.
The device is available in TO-243AA (SOT-89), TO-252 (D-PAK), and TO-92
packages.
Features
► 13.2V to 450V input voltage range
► Adjustable 1.20V to 440V output regulation
► 5% output voltage tolerance
► Output current limiting
► 10µA typical ADJ current
► Internal junction temperature limiting
Applications
► Off-line SMPS startup circuits
► Adjustable high voltage constant current source
► Industrial controls
► Motor controls
► Battery chargers
► Power supplies
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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