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Description
The R1240x/R1244N Series is a 30V input, CMOS-based PWM step-down DC/DC converter with an output current of 1.2A∗. It includes a soft start circuit and a latch or fold-back protection circuit.
Specifications and features
- Operating Voltage: 4.5V to 30V
- Internal Nch MOSFET Driver: Typ. RON = 0.35 Ω
- Adjustable Output Voltage with External Resistor: 0.8V to 15V
- Feedback Voltage: 0.8V ±1.5%
- Peak Current Limit Function: Typ. 2.0A
- UVLO Function
- Operating Frequency: 1.25MHz (Ver. B: 310kHz, Fold-back Condition)
- Short Protection for Output: Ver. A: Latch with 2ms delay or Ver. B: Fold-back
- Ceramic Capacitor Compatible
- Stand-by Function: Typ. 0µA
- Package: SOT-23-6W, DFN(PLP)2527-10
Application Scenarios
- Digital Home Appliances: Digital TVs, DVD Players
- OA Equipment: Printers, Fax
- Hand-held Communication Equipment: Cameras, VCRs, Camcorders
- Battery-powered Equipment
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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 R1240K003A-TR
- Chipdatas Part: CD93-R1240K003A-TR
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 08:57 +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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Registered Mail(www.singpost.com)
Free shipping without minimum order.