I. Functional Overview 1. Low internal resistance current and working current. 2. Built-in leading edge blanking (LEB). 3. Built-in peak current compensation and synchronous slope compensation. 4. Built-in frequency jittering function can reduce EMI. 5. Cycle-by-cycle current limit. 6. Frequency reduction and cycle skipping working mode when no load or light load. 7. Overload protection (overcurrent protection, overvoltage protection), undervoltage protection, overtemperature protection, open loop protection, output short circuit protection, etc. II. Feature Description The HBS6848 chip is a highly integrated, high-performance PWM + MOSFET two-in-one current-type offline switching power supply controller. It is suitable for various types of switching power supplies with corresponding power, such as chargers and power adapters. It adopts DIP8 package and can output 0~35W power without adding a heat sink. The circuit structure is simple and the performance is reliable and stable. It has complete protection functions, such as: overload (overvoltage, overcurrent), undervoltage, open loop, overtemperature, and output short circuit protection. Fixed oscillation frequency and frequency jittering function can easily reduce EMI. The standby power is low, and it enters the frequency hopping cycle mode when in standby mode, which meets the international standard requirements of the \"Energy Star\" standby power consumption. Typical application schematic diagram: Input voltage: 90~264VAC; Output: 12V1.5A; No-load loss: <0.3W; Efficiency: >80% (full load) I. Functional Overview 1. Low internal resistance current and working current. 2. Built-in leading edge blanking (LEB). 3. Built-in peak current compensation and synchronous slope compensation. 4. Built-in frequency jitter function can reduce EMI. 5. Cycle-by-cycle current limit. 6. Frequency reduction and cycle skipping working mode when no load or light load. 7. Overload protection (overcurrent protection, overvoltage protection), undervoltage protection, overtemperature protection, open loop protection, output short circuit protection, etc. II. Feature Description The HBS68X8 chip is a highly integrated, high-performance PWM + MOSFET two-in-one current-type offline switching power supply controller. It is suitable for various types of corresponding power switching power supplies such as chargers and power adapters. Using DIP8 package, it can output 0~35W power without adding heat sink. The circuit structure is simple and the performance is reliable and stable. It has complete protection functions, such as: overload (overvoltage, overcurrent), undervoltage, open loop, overtemperature, and output short circuit protection. Fixed oscillation frequency and frequency jitter function can easily reduce EMI. The standby power is low, and it enters the frequency hopping cycle mode when in standby mode, which meets the international standard requirements of \"Energy Star\" standby power consumption. Typical application schematic diagram: Input voltage: 90~264VAC; Output: 12V1.5A; No-load loss: <0.3W; Efficiency: >80% (full load)
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