NCP1342ANDAAD1R2G

Description：IC OFFLINE SWITCH FLYBACK 9SOIC
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:c29da6b6ac41 Category: AC DC Converters, Offline Switchers Brand: onsemi

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Product introduction

NCP1342ANDAAD1R2G 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 9SOIC. Review the specifications below when checking this part for your BOM.

AC DC Converters, Offline Switchers specifications for NCP1342ANDAAD1R2G

Description：IC OFFLINE SWITCH FLYBACK 9SOIC
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)
Output Isolation：Isolated
Internal Switch(s)：No
Voltage - Breakdown：-
Topology：Flyback
Voltage - Start Up：17 V
Voltage - Supply (Vcc/Vdd)：9V ~ 28V
Duty Cycle：-
Frequency - Switching：500kHz
Fault Protection：Current Limiting, Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit
Control Features：EN, Frequency Control, Soft Start, Sync
Operating Temperature：-40°C ~ 125°C (TJ)
Package / Case：10-SOP (0.154", 3.90mm Width), 9 Leads
Supplier Device Package：9-SOIC
Mounting Type：Surface Mount
Grade：-
Qualification：-
Power (Watts)：-

AC DC Converters, Offline Switchers datasheet and documents for NCP1342ANDAAD1R2G

NCP1342ANDAAD1R2G

AC DC Converters, Offline Switchers Overview

The NCP1342ANDAAD1R2G is a highly integrated quasi-resonant flyback controller designed for high-performance offline power converters. It features valley lock-out switching to ensure stable operation and minimize switching losses. The device includes an integrated X2 capacitor discharge function, enabling no-load power consumption below 30 mW. It supports minimum peak current modulation (MPCM) for fast frequency reduction at light loads and incorporates burst mode skipping to manage power transfer while minimizing audible noise.

AC DC Converters, Offline Switchers Feature Summary

Valley lock-out switching circuit ensures stable valley switching operation
Integrated high-voltage startup with brownout protection
Non-dissipative over-power protection (OPP) guarantees constant maximum output power
Integrated X2 capacitor discharge capability for safe line removal

AC DC Converters, Offline Switchers Applications

Medium or high power AC-DC adapters
Ultra-high density AC-DC adapters
USB PD standard compliant chargers
Laptop adapters
Flat panel TV SMPS

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'NAA' against official onsemi documentation to confirm pinout and functional variations compared to other NCP1342 variants. Ensure the component matches the required SOIC package dimensions and thermal specifications for the target application design.

AC DC Converters, Offline Switchers Selection Notes

Select this controller for designs requiring efficient quasi-resonant operation with low standby power. The integrated protections simplify design complexity. Verify compatibility with the desired transformer design and input voltage range requirements before finalizing the selection.

AC DC Converters, Offline Switchers Part Context

This component belongs to the NCP1342 series of quasi-resonant flyback controllers from onsemi. These devices are engineered to meet stringent energy efficiency standards by combining advanced switching techniques with comprehensive protection features in a compact package.