New 1A Switching Regulator K78-1000R3

MORNSUN extends its portfolio of non-isolated switching regulator DC/DC Converter with a new series: K78-1000R3. As K78mornsun-500R3 (500mA output) has enjoyed great popularity from the market, K78-1000R3(1A output) series is designed to meet wider output power range requirement of customers’ application.

Same as K78-500R3, K78-1000R3 series are in SIP package with high efficiency up to 96%, which do not need heat sink. The product has pin-outs compatible with LM78XX regulator in a much smaller size, which saves your space. And its operating temperature ranges from -40℃ to +85℃.
The series operate with a wide input voltage range of 6 to 36V and deliver precise output voltages. With standby input current as low as 0.1mA, low ripple & noise and short-circuit protection, they are suitable for various applications such as industrial control, power grid, instrumentation and mining, etc.
In addition to encapsulated package, open-frame version is also an available option to save your design cost with more competitive price.


High efficiency up to 96%
No-load input current as low as 0.1mA
Operating temperature: -40℃ ~ +85℃
Negative output available
Short-circuit protection
Pin-out compatible with LM78XX regulator
Meet UL60950/EN60950 standard

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