NCP1055ST136T3G

$0.41

Description：IC OFFLINE SWITCH FLYBACK SOT223
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Tape & Reel (TR)

SKU:9b50ac00ad6d Category: AC DC Converters, Offline Switchers Brand: onsemi

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Product introduction

NCP1055ST136T3G is listed in the AC DC Converters, Offline Switchers range at ChipApex. The manufacturer field lists onsemi. Its product description is IC OFFLINE SWITCH FLYBACK SOT223. Review the specifications below when checking this part for your BOM.

AC DC Converters, Offline Switchers specifications for NCP1055ST136T3G

Description：IC OFFLINE SWITCH FLYBACK SOT223
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Tape & Reel (TR)
Output Isolation：Isolated
Internal Switch(s)：Yes
Voltage - Breakdown：700V
Topology：Flyback
Voltage - Start Up：8.5 V
Voltage - Supply (Vcc/Vdd)：7.5V ~ 10V
Duty Cycle：77%
Frequency - Switching：136kHz
Fault Protection：Current Limiting, Open Loop, Over Load, Over Temperature
Control Features：-
Operating Temperature：-40°C ~ 150°C (TJ)
Package / Case：TO-261-4, TO-261AA
Supplier Device Package：SOT-223 (TO-261)
Mounting Type：Surface Mount
Grade：-
Qualification：-
Power (Watts)：40 W

AC DC Converters, Offline Switchers datasheet and documents for NCP1055ST136T3G

NCP1055ST136T3G

AC DC Converters, Offline Switchers Overview

The NCP1055ST136T3G is an integrated offline switch designed for flyback converter topologies. It operates at a switching frequency of 136kHz and supports up to 40W output power. The device features a 700V breakdown voltage, 8.5V startup voltage, and 7.5V to 10V supply voltage range. Packaged in SOT-223 (TO-261), it includes internal current limiting, open-circuit, overload, and overtemperature protection. Operating temperature spans -40°C to 150°C TJ.

AC DC Converters, Offline Switchers Feature Summary

Integrated high-voltage switched current source with fixed 136kHz frequency
Comprehensive fault protection including current limit, open circuit, overload, and thermal shutdown
Internal startup circuitry requiring minimal external components

AC DC Converters, Offline Switchers Applications

Offline AC/DC converters
Flyback power supplies
Battery chargers
Adapters

AC DC Converters, Offline Switchers Procurement Notes

Verify component authenticity through authorized channels as the part status is End-of-Life. Confirm package integrity and pin alignment against the TO-261 specification. Check RoHS compliance documentation for regulatory adherence. Validate replacement availability due to discontinuation status.

AC DC Converters, Offline Switchers Selection Notes

Select this component for isolated flyback designs requiring fixed-frequency operation. Ensure input voltage ranges align with the 700V rating. Verify thermal management capabilities meet the 150°C junction temperature requirement. Consider alternative parts if continuous production is required.

AC DC Converters, Offline Switchers Part Context

Part of the NCP105x series from onsemi, offering integrated solutions for offline power conversion. The ST136 suffix indicates the specific 136kHz switching frequency variant within the family.