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NCP1077

ON Semiconductor
Part Number NCP1077
Manufacturer ON Semiconductor
Description High-Voltage Switcher
Published Jun 11, 2014
Detailed Description DATA SHEET www.onsemi.com High-Voltage Switcher for Low Power Offline SMPS MARKING DIAGRAMS NCP1070, NCP1071, NCP1072...
Datasheet PDF File NCP1077 PDF File

NCP1077
NCP1077

Overview
DATA SHEET www.
onsemi.
com High-Voltage Switcher for Low Power Offline SMPS MARKING DIAGRAMS NCP1070, NCP1071, NCP1072, NCP1075, NCP1076, NCP1077 SOT−223 ST SUFFIX CASE 318E AYW z07xyG G 1 The NCP107x products integrate a fixed frequency current mode controller with a 700 V MOSFET.
Available in a PDIP−7 or SOT−223 package, the NCP107x offer a high level of integration, including soft−start, frequency−jittering, short−circuit protection, skip−cycle, a maximum peak current set point, ramp compensation, and a Dynamic Self−Supply (eliminating the need for an auxiliary winding).
Unlike other monolithic solutions, the NCP107x is quiet by nature: during nominal load operation, the part switches at one of the available frequencies (65, 100 or 130 kHz).
When the output power demand diminishes, the IC automatically enters frequency foldback mode and provides excellent efficiency at light loads.
When the power demand reduces further, it enters into a skip mode to reduce the standby consumption down to a no load condition.
Protection features include: a timer to detect an overload or a short−circuit event, Overvoltage Protection with auto−recovery and AC input line voltage detection.
For improved standby performance, the connection of an auxiliary winding stops the DSS operation and helps to reduce input power consumption below 50 mW at high line.
PDIP−7 P SUFFIX CASE 626A P107xfyyy AWL YYWWG Z = 1 for Std product; V for Automotive x = Current Limit (0, 1, 2, 5, 6 or 7) y = Oscillator Frequency = A (65 kHz), B (100 kHz), C (130 kHz) yyy = 065, 100, 130 f = OFF phase in fault mode = P (420 ms), B (210 ms) A = Assembly Location WL = Wafer Lot Y, YY = Year W, WW = Work Week G or G = Pb−Free Package ORDERING INFORMATION See detailed ordering and shipping information on page 28 of this data sheet.
Features  Built−in 700 V MOSFET with RDS(on) of 4.
7 W (NCP1076/77) / 11 W (NCP1072/75) / 22 W (NCP1070/71)  Large Creepage Distance Between High−voltage Pins  ...


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