NCP1271D100R2GH

$0.51

Description：IC OFFLINE SWITCH PMW
Series：*
Mfr：onsemi
Package：Bulk

SKU:f5c23e1fd01e Category: AC DC Converters, Offline Switchers Brand: onsemi

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Product introduction

NCP1271D100R2GH is listed in the AC DC Converters, Offline Switchers range at ChipApex. The manufacturer field lists onsemi. Its product description is IC OFFLINE SWITCH PMW. Review the specifications below when checking this part for your BOM.

AC DC Converters, Offline Switchers specifications for NCP1271D100R2GH

Description：IC OFFLINE SWITCH PMW
Series：*
Mfr：onsemi
Package：Bulk
Output Isolation：-
Internal Switch(s)：-
Voltage - Breakdown：-
Topology：-
Voltage - Start Up：-
Voltage - Supply (Vcc/Vdd)：-
Duty Cycle：-
Frequency - Switching：-
Fault Protection：-
Control Features：-
Operating Temperature：-
Package / Case：-
Supplier Device Package：-
Mounting Type：-
Grade：-
Qualification：-
Power (Watts)：-

AC DC Converters, Offline Switchers datasheet and documents for NCP1271D100R2GH

NCP1271D100R2GH

AC DC Converters, Offline Switchers Overview

The NCP1271D100R2G is a current-mode PWM controller designed for high-performance power factor correction and flyback applications. It features an integrated high-voltage startup FET, adjustable Soft-Skip mode for low standby power, and internal frequency jittering to reduce acoustic noise. The device operates with pulse width modulation control, supporting frequencies up to 1MHz with slope compensation. Key specifications include a supply voltage range of 10V to 20V, a maximum duty cycle of 85%, and operation temperatures from -40°C to +125°C. Packaged in a compact SOIC-7 surface-mount format.

AC DC Converters, Offline Switchers Feature Summary

Integrates a high-voltage startup FET for simplified design
Features adjustable Soft-Skip mode to minimize standby power consumption
Includes internal frequency jittering to mitigate acoustic noise
Supports current-mode control with slope compensation

AC DC Converters, Offline Switchers Applications

Power Factor Correction (PFC) circuits
Flyback converters
High-efficiency offline power supplies
Standby power applications requiring low no-load consumption

AC DC Converters, Offline Switchers Procurement Notes

Verify the exact suffix against official onsemi documentation, as 'D100R2GH' may indicate specific tape-and-reel or packaging variations distinct from standard 'D100R2G'. Confirm RoHS compliance status and lead times directly with authorized distributors. Ensure the component matches the required pinout and thermal characteristics for your PCB layout before finalizing orders.

AC DC Converters, Offline Switchers Selection Notes

Select this controller for designs prioritizing low standby power and reduced electromagnetic interference through jittering. It is suitable for applications requiring precise current-mode control without external oscillator components. Consider the integrated startup circuitry to simplify bill of materials. Evaluate the SOIC-7 package constraints for thermal management and board space availability.

AC DC Converters, Offline Switchers Part Context

The NCP1271 belongs to onsemi's NCP12XX series of current-mode controllers, representing a generation focused on improving efficiency and reducing acoustic noise in switch-mode power supplies. It serves as a pin-to-pin compatible upgrade for legacy designs, offering enhanced features like Soft-Skip mode while maintaining compatibility with existing transformer and capacitor networks.