NCP1251A - Brand New ON Semiconductor AC DC Converters, Offline Switchers
In Stock:830 ,Ready for Immediate Shipping
New
RoSH Lead free
In Stock:
830,
Ready for Immediate Shipping
Brand:ON Semiconductor
Category:AC DC Converters, Offline Switchers
Chipdatas Part No.:CD92-NCP1251A
Manufacturer Part No.:NCP1251A
Datecode:09+
Package:SOT-23-6
Request Quote:
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Description
The NCP1251A is a highly-integrated, fixed-frequency current-mode PWM controller designed for delivering high performance in offline power supplies.
Specifications and Features
- Current-mode PWM controller
- Fixed-frequency of 65 or 100 kHz current-mode control operation
- Internal and adjustable over-power protection (OPP) circuit
- Frequency foldback down to 26 kHz and skip-cycle in light load conditions
- Internal ramp compensation
- Internal fixed 4 ms soft-start
- 100 ms timer-based auto-recovery short-circuit protection
- Frequency jittering in normal and frequency foldback modes
- Option for auto-recovery or latched short-circuit protection
- OVP input for improved robustness
- Up to 28 V Vcc operation
- Latched OVP protection on Vcc
- +300 mA/-500 mA source/sink drive capability
- Less than 100 mW standby power at high line
- EPS 2.0 compliant
- Pb-free devices
Application Scenarios
The NCP1251A can be used in various offline power supply applications such as ac-dc converters for TVs, set-top boxes, printers, and offline adapters for notebooks and netbooks.
Comparison
Advantages- Highly integrated
- Fixed- frequency
- Internal ramp compensation
- Pb-free devices
- Less than 100 mW standby power at high line
Disadvantages- Not suitable for applications requiring low noise
- May not be suitable for applications requiring high switching frequency
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Similar parts: 1587 , Click to view
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
Shipping fee:
- - Automatic Email notification (above 5 times)
- - View in your order page
Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
- - Automatic Email notification (above 5 times)
- - View in your order page
How to Buy:
- - In-stock, Add to cart > Check out > Submit order > Complete payment >Delivery.
- - Inquiry, Add to inquiry sheet/Submit bom/inquire file/Send email us > Quote > Place order > Complete payment >Delivery.
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Payment:
- - Paypal,Credit Card includes Visa, Master, American Express.
- - Wire transfer, include Local bank transfer.
- - Western Union.
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Additional Information
- Datasheet: Download NCP1251A
- Chipdatas Part: CD92-NCP1251A
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/07/01 14:18 +0800
Refund
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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Payment Method
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The fee is charged according to the rule of PayPal.
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The fee is charged according to the rule of PayPal.
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Western Union charge US$0.00 banking fee.
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We recommend to use bank transfer for large orders to save on handling fees.
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