NCP1012 - ON Semiconductor

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

NCP1012
Manufacturer

ON Semiconductor
ChipWorker Part#

CW327579228
RoHS

Lead free / RoHS Compliant
Description

AC-DC Offline Switching Controllers/Regulators
Documentation

Datasheet

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NCP1012 Specifications

Attribute	Attribute Value

Part Number	NCP1012
Manufacturer	ON Semiconductor
ChipWorker Part#	CW327579228
Documentation	Datasheet
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RoHS	RoHS Compliant

Product Description

The NCP101X series integrates a fixed−frequency current−mode controller and a 700 V MOSFET. Housed in a PDIP−7 or SOT−223 package, the NCP101X offers everything needed to build a rugged and low−cost power supply, including soft−start, frequency jittering, short−circuit protection, skip−cycle, a maximum peak current setpoint and a Dynamic Self−Supply (no need for an auxiliary winding).
Unlike other monolithic solutions, the NCP101X is quiet by nature: during nominal load operation, the part switches at one of the available frequencies (65 − 100 − 130 kHz). When the current setpoint falls below a given value, e.g. the output power demand diminishes, the IC automatically enters the so−called skip−cycle mode and provides excellent efficiency at light loads. Because this occurs at typically 1/4 of the maximum peak value, no acoustic noise takes place. As a result, standby power is reduced to the minimum without acoustic noise generation.
Features
• Built−in 700 V MOSFET with Typical RDSon of 11 Ω and 22 Ω
• Large Creepage Distance Between High−Voltage Pins
• Current−Mode Fixed Frequency Operation: 65 kHz – 100 kHz − 130 kHz
• Skip−Cycle Operation at Low Peak Currents Only: No Acoustic Noise!
• Dynamic Self−Supply, No Need for an Auxiliary Winding
• Internal 1.0 ms Soft−Start
• Latched Overvoltage Protection with Auxiliary Winding Operation
• Frequency Jittering for Better EMI Signature
• Auto−Recovery Internal Output Short−Circuit Protection
• Below 100 mW Standby Power if Auxiliary Winding is Used
• Internal Temperature Shutdown
• Direct Optocoupler Connection
• SPICE Models Available for TRANsient Analysis
• These are Pb−Free and Halide−Free Devices
Typical Applications
• Low Power AC/DC Adapters for Chargers
• Auxiliary Power Supplies (USB, Appliances,TVs, etc.)

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