Overview
The FAN4800ASMY-F116, produced by onsemi, is a highly integrated PFC/PWM controller combination designed for power supplies that require both boost Power Factor Correction (PFC) and Pulse Width Modulation (PWM). This IC is optimized for applications needing high efficiency, low operating current, and robust protection features. It is available in 16-pin DIP and SOP packages, making it versatile for various power supply designs.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| DC Supply Voltage (VDD) | - | - | 30 | V |
| Startup Current (IDD-ST) | - | 30-80 | - | μA |
| Operating Current (IDD-OP) | 2.0 | 2.6 | 5.0 | mA |
| Turn-On Threshold Voltage (VTH-ON) | 10 | 11 | 12 | V |
| VDD OVP | 27 | 28 | 29 | V |
| PFC OVP Hysteresis | 200 | 250 | 300 | mV |
| Peak PFC OUT Current | - | - | 0.5 | A |
| Peak PWM OUT Current | - | - | 0.5 | A |
| Operating Junction Temperature (TJ) | -40 | - | 125 | °C |
Key Features
- Pin-to-Pin Compatible with ML4800, FAN4800, and CM6800 series
- PWM Configurable for Current Mode or Feedforward Voltage-Mode Operation
- Internally Synchronized Leading-Edge PFC and Trailing-Edge PWM in One IC
- Low Operating Current and Improved Efficiency at Light Load
- Average-Current Mode for Input-Current Shaping
- PFC Over-Voltage and Under-Voltage Protections
- Cycle-by-Cycle Current Limiting for PFC/PWM
- Power-on Sequence Control and Soft-Start
- Brownout Protection and Interleaved PFC/PWM Switching
Applications
- Desktop PC Power Supply
- Internet Server Power Supply
- LCD TV, Monitor Power Supply
- UPS (Uninterruptible Power Supply)
- Battery Charger
- DC Motor Power Supply
- Telecom System Power Supply
- Distributed Power Systems
Q & A
- What is the FAN4800ASMY-F116 used for? The FAN4800ASMY-F116 is used for power supplies that require both boost Power Factor Correction (PFC) and Pulse Width Modulation (PWM).
- What are the available package types for the FAN4800ASMY-F116? It is available in 16-pin DIP and SOP packages.
- What are the key protection features of the FAN4800ASMY-F116? Key protection features include soft-start, PFC over-voltage protection, peak current limiting, brownout protection, duty cycle limiting, and under-voltage lockout (UVLO).
- Can the PWM be configured in different modes? Yes, the PWM can be configured for either current mode or feedforward voltage-mode operation.
- What is the typical operating current of the FAN4800ASMY-F116? The typical operating current is 2.6 mA.
- What is the turn-on threshold voltage for the FAN4800ASMY-F116? The turn-on threshold voltage is between 10 V and 12 V.
- What are the applications of the FAN4800ASMY-F116? It is used in desktop PC power supplies, internet server power supplies, LCD TV and monitor power supplies, UPS, battery chargers, DC motor power supplies, and telecom system power supplies.
- Is the FAN4800ASMY-F116 pin-to-pin compatible with other ICs? Yes, it is pin-to-pin compatible with ML4800, FAN4800, and CM6800 series.
- What is the maximum operating junction temperature for the FAN4800ASMY-F116? The maximum operating junction temperature is 125°C.
- Does the FAN4800ASMY-F116 support interleaved PFC/PWM switching? Yes, it supports interleaved PFC/PWM switching.
