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NCP1234AD65R2G
NCP1234AD65R2G
598-NCP1234AD65R2G
8-SOIC (0.154, 3.90mm Width), 7 Leads
7 Terminations9.5V~28V 7 Pin NCP1234 AC to DC power converter1 Outputs65kHz
In Stock : 999
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Product Details
Purchasing and Inquiry
NCP1234AD65R2G Description
The NCP1234 is a new fixed?frequency current?mode controller featuring Dynamic Self?Supply (DSS). This device is pin?to?pin compatible with the previous NCP12xx families. The DSS function dramatically simplifies the design of the auxiliary supply and the VCC capacitor by activating the internal startup current source to supply the controller during transients. Due to frequency foldback, the controller exhibits excellent efficiency in light load conditions while still achieving deficient standby power consumption. Internal frequency jittering, ramp compensation, and a versatile latch input make this controller an excellent candidate for converters where components cost is the key constraint. It features a timer?based fault detection that ensures the detection of overload independently of an auxiliary winding, and an adjustable compensation to help keep the maximum power independent of the
input voltage. Finally, due to a careful design, the precision of critical parameters is well controlled over the entire temperature range (?40°C to +125°C).
NCP1234AD65R2G Features
Fixed?Frequency Current?Mode Operation with Built?In Ramp
Compensation
65 kHz or 100 kHz Oscillator Frequency version
Frequency Foldback then Skip Mode for Maximized Performance in
Light Load and Standby Conditions
Timer?Based Overload Protection with Latched (option A) or
Auto?Recovery (option B) Operation
High?voltage Current Source with Dynamic Self?Supply,
Simplifying the Design of the VCC Capacitor
Frequency Modulation for Softened EMI Signature, including during
Frequency Foldback mode
Adjustable Overpower Compensation
Latch?off Input for Severe Fault Conditions, Allowing Direct
Connection of an NTC for Overtemperature Protection (OTP)
VCC Operation up to 28 V, with Overvoltage Detection
±500 mA Peak Source/Sink Current Drive Capability
4.0 ms Soft?Start
Internal Thermal Shutdown
Pin?to?Pin Compatible with the Existing NCP12xx
Series
These Devices are Pb?Free, Halogen Free/BFR Free
and are RoHS Compliant
NCP1234AD65R2G Applications
AC?DC Adapters for Notebooks, LCD, and Printers
Offline Battery Chargers
Consumer Electronic Power Supplies
Auxiliary/Housekeeping Power Supplies
You can send an inquiry by email, or add the item to the RFQ list and submit it to us.
Tell us the model and quantity you need, our sales staff will reply the price in time.
Email for receiving inquiries: jindawei@hkjdwchip.com
For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and wire transfer.
3. RFQ (Request for Quotations)It is recommended to request for quotations to get the latest prices and inventories about the part.
Our sales will reply to your request by email within 24 hours.
1. You'll receive an order information email in your inbox. (Please remember to check the spam folder if you didn't hear from us).
2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.
Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)
The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and country.
Currently, our products are shipped through DHL, FedEx, SF, and UPS.
Delivery TimeOnce the goods are shipped, estimated delivery time depends on the shipping methods you chose:
FedEx International, 5-7 business days.
The following are some common countries' logistic time.
Payment Method
| The fee is charged according to the rule of PayPal. | |
| East West Bank charge US$30.00 banking fee. | |
| The fee is charged according to the rule of PayPal. | |
| Western Union charge US$0.00 banking fee. |
Shipping
| DHL(www.dhl.com) From $40.00 basic shipping fee depend on zone and country. |
|
| UPS(www.ups.com) From $40.00 basic shipping fee depend on zone and country. |
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| FedEx(www.fedex.com) From $40.00 basic shipping fee depend on zone and country. |
|
| Registered Mail(www.singpost.com) From $10.00 basic shipping fee depend on different zone and country. |
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NCP1234AD65R2G
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