Pulse Wide Modulation (PWM) control IC for fixed frequent (FF) operation mode The **ICE3AS02** is a power management IC manufactured by **Infineon Technologies**. Below are the specifications, descriptions, and features based on available factual information:
### **Specifications:**
- **Manufacturer:** Infineon Technologies
- **Category:** Power Management IC (PMIC)
- **Type:** Offline SMPS Controller
- **Topology:** Flyback converter
- **Input Voltage Range:** 85V to 265V AC (universal mains)
- **Switching Frequency:** Fixed frequency (typically around 100 kHz)
- **Output Power:** Up to 25W (depending on design)
- **Current Sensing:** Cycle-by-cycle current limiting
- **Protection Features:** Overvoltage protection (OVP), overcurrent protection (OCP), overtemperature protection (OTP), brownout protection
- **Package:** Typically **DIP-8** or **SOIC-8**
### **Descriptions:**
- The **ICE3AS02** is a high-performance offline switch-mode power supply (SMPS) controller designed for low-power applications.
- It integrates a high-voltage startup circuit, reducing external component count.
- The IC operates in **current-mode control**, improving transient response and stability.
- It is optimized for **flyback converters** in applications such as AC/DC adapters, auxiliary power supplies, and LED drivers.
### **Features:**
- **Integrated high-voltage startup** (reduces external components)
- **Current-mode control** for better load regulation
- **Fixed-frequency PWM operation**
- **Soft-start function** to reduce inrush current
- **Built-in protections** (OVP, OCP, OTP, brownout)
- **Low standby power consumption**
- **Cycle-by-cycle current limiting** for enhanced safety
For exact electrical characteristics and application details, refer to the official **Infineon datasheet** for the **ICE3AS02**.
