Model No: FAN7842MX
onsemi FAN7842MX
Manufacturer: onsemi
SEMICON NO.: FAN7842MX
Package: 8-SOIC
Stock: In stock
Description: IC Gate driver SEC SUPERVISORY HALF-BRIDGE 8SOIC
SEMICON NO.: FAN7842MX
Package: 8-SOIC
Stock: In stock
Description: IC Gate driver SEC SUPERVISORY HALF-BRIDGE 8SOIC
Quantity :
| Mfr | onsemi |
| Type | Half-Bridge Gate Driver IC |
| Driver Configuration | Half-Bridge |
| Channels | 2 (Independent) |
| Gate Drive Type | High & Low Side, Non-Inverting |
| Output Current | 350mA (Sink), 650mA (Source) |
| Supply Voltage Range | 10V ~ 20V |
| Logic Voltage (VIL, VIH) | 0.8V, 2.9V |
| Rise/Fall Time (Typ.) | 60ns (Rise), 30ns (Fall) |
| Input Type | Non-Inverting |
| High-Side Voltage (Max.) | 200V (Bootstrap) |
| Operating Temperature | -40°C ~ 150°C |
| Package/Sizes | 8-SOIC |
| Mounting Type | Surface Mount(SMD) |
| RoHS Compliance | Lead-free / RoHS Compliant |
FAN7842MXPWM controller IC, switching power supply IC
The FAN7842MX is a high-performance, compact power management IC designed for efficient switching power supply applications. It integrates advanced control logic and protection features, making it ideal for use in AC-DC converters, LED drivers, and industrial power systems. The chip operates with high precision, ensuring stable voltage regulation and minimal power loss, which enhances overall system reliability. Its robust design supports a wide input voltage range, catering to diverse power supply requirements while maintaining optimal efficiency.
FAN7842MX's Key Features & Specifications
The FAN7842MX features a built-in PWM controller with adjustable frequency, enabling flexible design configurations for various power topologies. It includes over-voltage protection (OVP), under-voltage lockout (UVLO), and thermal shutdown to safeguard against electrical faults and overheating. With a low standby power consumption and high switching frequency capability, this IC minimizes energy waste and supports compact PCB designs. Its industry-standard SOIC-8 package ensures easy integration into existing circuits.
Applications & Use Cases
This PWM controller IC is widely used in offline flyback converters, battery chargers, and auxiliary power supplies for consumer electronics and industrial equipment. Its ability to handle high-voltage inputs (up to 30V) and deliver consistent performance under varying loads makes it suitable for demanding environments. Engineers favor the FAN7842MX for its reliability in LED lighting systems, adapter designs, and low-power SMPS (Switched-Mode Power Supply) applications.
Alternative Models
●FAN7602B: Lower operating voltage (12V max) with similar PWM control, suited for cost-sensitive designs.
● NCP1200: Comparable protection features but optimized for lower-frequency applications.
● UC3843: Higher current drive capability, ideal for larger power supplies.
● TNY280PN: Integrated offline switcher with ultra-low standby power, best for compact adapters.
