IC Phoenix logo

Home ›  N  › N5 > NCP1203D100R2G

NCP1203D100R2G from ON,ON Semiconductor

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

NCP1203D100R2G

Manufacturer: ON

PWM Current-Mode Controller for Universal Off-Line Supplies Featuring Standby and Short Circuit

Partnumber Manufacturer Quantity Availability
NCP1203D100R2G ON 1214 In Stock

Description and Introduction

PWM Current-Mode Controller for Universal Off-Line Supplies Featuring Standby and Short Circuit The **NCP1203D100R2G** is a high-performance pulse-width modulation (PWM) current-mode controller designed for offline power supply applications. This integrated circuit (IC) is engineered to deliver efficient and reliable power conversion in switch-mode power supplies (SMPS), making it suitable for a variety of consumer and industrial electronics.  

Featuring a fixed-frequency operation of 100 kHz, the NCP1203D100R2G ensures stable performance while minimizing electromagnetic interference (EMI). Its current-mode control architecture enhances transient response and simplifies loop compensation, improving overall system reliability. The device incorporates an advanced high-voltage startup circuit, reducing standby power consumption—a critical factor in energy-efficient designs.  

Key protections include overvoltage (OVP), overload (OLP), and short-circuit safeguards, ensuring robust operation under fault conditions. The NCP1203D100R2G also supports frequency modulation to further reduce EMI emissions.  

Housed in a compact SOIC-8 package, this controller is well-suited for space-constrained applications such as AC-DC adapters, LED drivers, and auxiliary power supplies. With its combination of precision control, safety features, and energy efficiency, the NCP1203D100R2G is a dependable choice for modern power management solutions.

Application Scenarios & Design Considerations

PWM Current-Mode Controller for Universal Off-Line Supplies Featuring Standby and Short Circuit

Alternative Part Number

  • UC3842BD1R2G --: Industry-standard current-mode PWM controller in SOIC-8, widely used as a functional substitute for the NCP1203 in flyback SMPS designs.
  • SG6848D --: Green-mode PWM controller with similar current-mode control and low standby power, suitable for offline flyback applications.
  • OB2263AP --: Low-cost current-mode PWM controller commonly used as a drop-in style alternative in low-power AC-DC adapters and chargers.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips